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4A0-C01 Exam Dumps - Nokia NRS II Composite Exam

Question # 4

Which of the following about MPLS fast reroute is TRUE?

A.

Fast reroute is used when redundant links are not available.

B.

Fast reroute provides path protection close to the failure point.

C.

Fast reroute provides fast failure detection to the head-end router.

D.

Fast reroute protects both primary and secondary paths.

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Question # 5

How many SAPs can be configured on a port configured with dot1q encapsulation?

A.

1

B.

4095

C.

None. This encapsulation is not supported.

D.

The number is limited only by the capacity of the router

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Question # 6

Which of the following about dot1Q SAPs is FALSE?

A.

The dot1Q default SAP (port: *) can be used to pass VLAN tags transparently through a network.

B.

The dot1Q null SAP (port: 0) accepts all tagged frames and untagged frames.

C.

The dot1Q default SAP (port: *) accepts all untagged frames and any frames with tag values that are not used as a service-delimiting value on another SAP.

D.

A dot1q null SAP (port: 0) and a dot1q default SAP (port: *) cannot both be defined on the same port.

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Question # 7

Identify two attributes of Distance Vector Protocols: (Choose two)

A.

Use split horizon by default.

B.

Send information about directly connected links to neighbors at periodic intervals.

C.

Use holddown timers when topologies change to allow for convergence.

D.

Maintain multiple databases: neighbor, topology and routing.

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Question # 8

Which of the following about route distinguishes on the Alcatel-Lucent 7750 SR is TRUE?

A.

Route distinguishes are appended to IPv4 prefixes to form IPv6 prefixes.

B.

CE routers use a route distinguisher to indicate which VPRN they are associated to.

C.

A route distinguisher combined with an IPv4 prefix produces a VPN-IPv4 prefix.

D.

Route distinguishes are used to determine which routes a VPRN should import.

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Question # 9

An SDP using MPLS encapsulation is configured for an E-pipe service. The network port on the Alcatel-Lucent 7750 SR used by the SDP has an MTU of 8000. What is the SDP path MTU?

A.

7958

B.

7978

C.

8022

D.

8042

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Question # 10

Which of the following about VPRN route targets is FALSE?

A.

They are used to identify the VRF table for a prefix at the receiving PE.

B.

They are used by VPRNs to control the distribution of VPN routing information.

C.

They are distributed to all PEs and CEs that are part of the VPRN.

D.

They are distributed to PEs to identify the VRF table that a VPN-IPv4 prefix is associated with.

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Question # 11

Which of the following about IES is FALSE?

A.

An IES provides a Layer 3 interface to a customer.

B.

A virtual routing/forwarding table is created per IES service.

C.

An IES supports QoS.

D.

An IES interface's IP address, if bound to a port, will appear in the routing table.

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Question # 12

Which of the following about IES is FALSE?

A.

An IES has a configurable VC MTU.

B.

An IES interface has an IP address assigned to it.

C.

IES supports QoS.

D.

An IES requires a spoke SDP.

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Question # 13

Click the exhibit.

This output is from a router that is part of a 6VPE deployment using a VPRN. Which type of router would this configuration be found on?

A.

A CE router.

B.

A P router.

C.

A PE router.

D.

Both P and PE routers.

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Question # 14

How are LSPs acknowledged on IS-IS broadcast links?

A.

The LSP is acknowledged by sending a PSNP PDU.

B.

The LSP is acknowledged by sending an LSP PDU.

C.

The LSP is acknowledged by sending a Hello PDU.

D.

LSP are not acknowledged on broadcast links. The DIS sends periodic CSNPs to maintain database synchronization

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Question # 15

What is the default inbound metric for RIP on the Alcatel-Lucent 7750 SR?

A.

Whatever the advertised metric happens to be.

B.

A value of 1.

C.

This must be administratively set as there is no default value.

D.

A value of 15.

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Question # 16

In an IP datagram, which field identifies the receiving application

A.

The protocol field of the transport layer header

B.

The port field of the transport layer header

C.

The protocol field of the network layer header

D.

The port field of the network layer address

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Question # 17

A router is configured with the command "configure router ecmp 4". There are two best paths to a given destination with an equal cost in the IGP. Which of the following best describes the handling of traffic to this destination?

A.

The router installs two routes for the destination with two different next hops. A hashing algorithm is used to distribute traffic over the two paths.

B.

The router installs two routes for the destination with two different next hops. Traffic is evenly distributed over the two paths.

C.

The router installs four routes for the destination with four different next hops. A hashing algorithm is used to distribute traffic over the four paths.

D.

The router installs four routes for the destination with four different next hops. Traffic is evenly distributed over the four paths.

E.

The router installs one route for the destination. Traffic is evenly distributed over the two paths.

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Question # 18

What command allows analysis of the Dijkstra calculation on the Alcatel-Lucent 7750 SR?

A.

There is no such calculation in IS-IS

B.

Show router isis database

C.

Show router isis dijykstra

D.

Show router isis spf

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Question # 19

An Alcatel-Lucent 7750 SR has a port with the MAC address of 00;03:FA:AC:77: AF. The port is bound to an interface. If IPv6 is then enabled on that interface .what will the link-local address be?

A.

FE80::203:FAFF:FEAC:77AF/64

B.

2000::203:FAFFFEAC:77AF/64

C.

FE80::3FAFF:FEAC:77AF/64

D.

FC00::203:FAFF:FEAC:77AF/64

E.

FC00::3:FAFF:FEAC:77AF/64

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Question # 20

Click the exhibit button. What is the state of adjacency?

A.

Exchange

B.

Up

C.

Down

D.

2-Way

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Question # 21

What is the goal of MPLS Traffic Engineering?

A.

To establish additional LSPs across the network

B.

To allow ECMP to occur across an MPLS network

C.

To enable the implementation of services

D.

To utilize paths other than the lowest cost path

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Question # 22

Link-state PDUs include an age field. Which of the following is FALSE?

A.

When link-state information reaches the maximum age on a router, the router will flood that information to its neighbors.

B.

When a router detects that any of its link-state information has reached the maximum age, it will request a new update from the source router.

C.

Aging helps ensure that links, which are no longer part of the topology, will eventually get removed from the LSDB.

D.

The age value is updated as the information is flooded throughout the network and when it is in the LSDB.

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Question # 23

Which of the following are major features of OSPF? (Choose 2.)

A.

Fast reroute capability.

B.

Control traffic prioritization.

C.

Route redistribution.

D.

Traffic engineering extensions.

E.

Cut through forwarding.

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Question # 24

Click on the exhibit.

Router R5 is advertising the three loopbacks prefixes shown in OSPFv3. The following command is executed on router R1: R1# configure router ospf3 area 0 area-range FD00:11:11:5000:764.

Which of the following is TRUE regarding the OSPFv3 LSDB on R6?

A.

Router R6 will have a single Router LSA that describes the summary prefix.

B.

Router R6 will have three Router LSAs - one to describe each loopback prefix.

C.

Router R6 will have a single Inter-Area Prefix LSA to describe the summary prefix.

D.

Router R6 will have three Inter-Area Prefix LSAs - one to describe each loopback prefix.

E.

Router R6 will not have any LSAs to describe the loopback prefix or the summarized prefix.

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Question # 25

Click on the exhibit.

Given the output, which of the following is the most accurate statement about the network?

A.

There are five broadcast links and there are no point-to-point links.

B.

There are five broadcast links and there are five point-to-point links.

C.

There are five broadcast links. It's not possible to say how many point-to-point links there are.

D.

It's not possible to say how many broadcast or point-to-point links there are.

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Question # 26

Click on the exhibit button below. Assume the following:

- Each router's OSPF interfaces are in the areas shown.

- Bidirectional LDP-over-RSVP tunnels extend from routers R1 to R3 and back over the path R1-R4-R5-R3.

- You enable fast reroute facility bypass on the R5-R3 RSVP LSP.

- Router R5 acts as a PLR, protecting the R5-R3 link by building a bypass tunnel through router R2.

You build a layer 2 VPN on routers R1 and R3, using the LDP-over-RSVP tunnels. What MPLS configuration step must you complete on router R2 for it to protect the end-to-end service?

A.

Enable LDP on the R2-R5 interface.

B.

Configure T-LDP sessions between routers R2 and R5 and R3.

C.

Configure LDP-over-RSVP support on router R2.

D.

Enable MPLS and RSVP on the router R2 network interfaces.

E.

Enable LDP on the R2-R5 and R2-R3 interfaces.

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Question # 27

Router R3 signals an LSP, reserving 1Gbps bandwidth on a 10Gbps link. RSVP configuration limits reservable bandwidth to 20 percent on the egress interface. Which of the following statements is true?

A.

The egress RSVP interface has 80 percent bandwidth unreserved.

B.

LSPs can reserve an additional 9.9 Gbps bandwidth on this RSVP interface.

C.

The head end reserves 100Mbps for the LSP.

D.

The egress RSVP interface has 1Gbps bandwidth unreserved.

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Question # 28

Click on the exhibit.

In the topology shown, router R1 is an ASBR configured to export external routes to OSPF. There are no stub or NSSA areas. Which of the following regarding LSAs is TRUE?

A.

Router R3 will advertise Type 7 LSAs to Area 0 and Area 2.

B.

Only routers R2 and R3 receive Type 5 LSAs advertised by router R1.

C.

Router R2 will receive Type 5 and Type 7 LSAs.

D.

Router R7 will receive Type 5 LSAs advertised by router R1.

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Question # 29

A targeted-LDP session may exist between directly connected or non-directly connected devices

A.

TRUE

B.

FALSE

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Question # 30

What is the primary purpose of variable length subnet masks (VLSM)?

A.

To reduce the size of each routing update.

B.

To allow interoperability between routing protocols.

C.

To allow different subnet masks for different subnets.

D.

To reduce the size of the routing table.

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Question # 31

Which of the following is NOT a field in the IPv6 header?

A.

Next Header

B.

Traffic Class

C.

Hop Limit

D.

Fragment Offset

E.

Flow Label

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Question # 32

Click on the exhibit button below.

Given the configuration shown, how much of a link's 100Mbps reservable bandwidth can an LSP access when configured for class-type 0 and priority 1?

A.

10Mbps

B.

20Mbps

C.

30Mpbs

D.

60Mbps

E.

70Mbps

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Question # 33

Which of the following statements best describes the function of an OSPF Type 4 LSA?

A.

A Type 4 LSA is originated by an ABR to describe a route to an ASBR to routers outside the area.

B.

A Type 4 LSA is originated by an ASBR to describe a route to itself to routers outside the area.

C.

A Type 4 LSA is originated by an ABR that is connected to a stub area. The LSA is injected into the backbone area to provide routing information.

D.

A Type 4 LSA is originated by an ABR that is connected to a stub area. The LSA is injected into the stub area to provide routing information.

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Question # 34

Which of the following timers can be adjusted to reduce the time a router waits between attempts to re-establish an LSP after it has failed?

A.

Isp retry-timer

B.

Isp retry-limit

C.

mpls resignal-timer

D.

rsvp refresh-time

E.

router rsvp keep-multiplier

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Question # 35

An SDP using GRE encapsulation is configured for an E-pipe service. The network port used by the SDP has an MTU of 8000. What value does the SDP path MTU have by default on an Alcatel-Lucent 7750 SR?

A.

7958

B.

7978

C.

8022

D.

8042

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Question # 36

Which of the following about transport tunnels used by services is FALSE?

A.

A transport tunnel can carry many service tunnels.

B.

The transport label is unchanged throughout the transport network.

C.

A single network port can carry more than one transport tunnel.

D.

Both MPLS and GRE transport tunnels use a service label.

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Question # 37

In a Layer 2 encapsulation using T-LDP, what does the second (bottom) label represent?

A.

Tunnel Label

B.

VC Label

C.

Operational Control Word

D.

VPI

E.

VCI

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Question # 38

Which of the following SAPs will forward tagged frames with an outer VLAN tag of 200? (Choose 3)

A.

sap 1/1/1

B.

sap 1/1/1:*

C.

sap 1/1/1:*.0

D.

sap 1/1/1:0*

E.

sap 1/1/1:200.*

F.

sap 1/1/1:300:200

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Question # 39

Which of the following about per-interface label space is TRUE?

A.

A single label is assigned to a FEC for all interfaces on the same router.

B.

The same label can be used to forward a packet on an LSR regardless of which egress port is used.

C.

It uses fewer label resources than a per-platform label space.

D.

A separate label is used for each interface that the FEC is advertised on.

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Question # 40

Which of the following is NOT an application of MPLS?

A.

Enabling VPNs

B.

Enabling traffic engineering

C.

Enabling network security

D.

Enhancing network resiliency

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Question # 41

Which of the following is NOT required to configure an Alcatel-Lucent 7750 SR as a PE router running 6PE?

A.

Configure BGP with the IPv6 address family.

B.

Configure BGP to add IPv6 Explicit Null labels.

C.

Configure a route policy to export IPv6 routes into BGP.

D.

Configure the nexthop core router as a BGP peer.

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Question # 42

Which of the following options are used to configure an MPLS signaling type to be used on an SDP? (Choose 2)

A.

configure service sdp sdp-id gre create

B.

configure service sdp sdp-id create

C.

Idp

D.

Isp Isp-name

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Question # 43

What is the purpose of a T-LDP session?

A.

It allows link LDP to be configured on the edge devices only.

B.

It is used to signal the transport labels in the provider core.

C.

It allows selective control over which devices are configured for LDP.

D.

It is used to signal the service labels in the provider core.

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Question # 44

Consider a network that has four PE routers. If a customer wants a VPLS that has sites on only three of the PEs, how many mesh SDPs need to be configured for this service?

A.

3

B.

4

C.

6

D.

12

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Question # 45

Which of the following fields is NOT present in a GRE encapsulated VPN service packet?

A.

DLC Header

B.

Control Word

C.

Transport Label

D.

Service Label

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Question # 46

On an Alcatel-Lucent 7750 SR, what is the recommended approach for making sure that MTUs between a VPLS and its spoke IES termination match?

A.

Set the service MTU of the VPLS to match the IES MTU.

B.

Set the ip-mtu of the IES to match the service MTU of the VPLS.

C.

Set the SDP MTU of the IES to match the SDP MTU of the VPLS.

D.

Set the MTU of the IES's network port to match the service MTU of the VPLS.

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Question # 47

Consider an E-pipe service configured with SAP 1/1/1:5 and SAP 1/1/1:6.7. If the SAP 1/1/1:5 accepts an ingress frame, which of the following is TRUE?

A.

The frame egresses 1/1/1:6.7 with an outer VLAN tag of 6 and inner tag of 7.

B.

The frame is dropped at the egress SAP 1/1/1:6.7.

C.

The frame egresses 1/1/1:6.7 with VLAN tag 5.

D.

The frame egresses 1/1/1:6.7 with VLAN tag 6.

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Question # 48

Which of the following statements best describes an OSPF type 3 LSA?

A.

An OSPF type 3 LSA is an intra-area LSA, generated by the ABR only when route summarization is configured.

B.

An OSPF type 3 LSA is an inter-area LSA, generated by the ABR only when route summarization is configured.

C.

An OSPF type 3 LSA is an inter-area LSA, generated by an ASBR to describe external routes.

D.

An OSPF type 3 LSA is an inter-area LSA, generated by the ABR to describe a route to neighbors outside the area.

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Question # 49

There is an IP host with IP address 10.2.3.1. A static route is created, using the "configure router static-route 10.2.3.0/24 next-hop 10.1.2.1" command. What is the correct traceroute command to test this static route on an Alcatel-Lucent 7750 SR?

A.

traceroute 10.2.3.1

B.

traceroute 10.2.3.1 next-hop 10.1.2.1

C.

traceroute next-hop 10.1.2.1

D.

traceroute does not work on the Alcatel-Lucent 7750 SR.

E.

traceroute 10.1.2.1

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Question # 50

In IS-IS database synchronization, each router compares each LSP described in the received CSNPs with the LSPs in its own database. Which of the following actions is taken if the database contains a newer copy of the LSP?

A.

The router sends a copy of the LSP from its database to its neighbor

B.

The router sends a PSNP to its neighbor describing the LSP in its database.

C.

The router updates its database with the LSP and floods a copy to its other neighbors.

D.

The router sends a PSNP to its neighbor to request the LSP.

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Question # 51

At what point is the LSP SRM flag cleared when an LSP is sent on an IS-IS point-to-point link?

Choose two answers.

A.

As soon as the LSP is transmitted.

B.

When an acknowledgment is received in the form of PSNP.

C.

When an older LSP is received.

D.

When a newer or same aged LSP is received.

E.

Only when a newer LSP is received

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Question # 52

The exhibit shows a route to 2001:DB8:1:200::/56 in the IPv6 route table. How did the route get into the route table?

A.

Configure router ipv6 static-route 2001:DB8:1:200::/56 next-hop FE80::225:BAFF:FE30:94E3

B.

Configure router ipv6 static-route 2001:DB8:1:200::/56 next-hop FE80::225:BAFF:FE30:94E3-toR2

C.

Configure router static-route 2001:DB8:1:200::/56 next-hop FE80::225:BAFF:FE30:94E3

D.

Configure router static-route 2001:DB8:1:200::/56 next-hop FE80::225:BAFF:FE30:94E3-toR2

E.

The route was learned through a dynamic routing protocol.

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Question # 53

Which of the LSA types stay within an OSPF area and are not exported outside of the area? (Choose all that apply)

A.

Router LSA

B.

Network LSA

C.

Summary Network LSA

D.

Summary Router LSA

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Question # 54

Which of the following types of network topologies are supported by IS-IS on the Alcatel-Lucent 7750 SR? Choose two answers.

A.

Non-broadcast

B.

Broadcast

C.

Point-to-multipoint

D.

Point-to-point

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Question # 55

Which of the following statements describe the major features of OSPF? Choose two answers.

A.

Fast reroute capability

B.

Control traffic prioritization

C.

Route redistribution

D.

Traffic engineering extensions

E.

Cut through forwarding

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Question # 56

Which of the statements below best describes the operation of the IPv6 anycast address?

A.

A packet with a destination anycast address is sent to all nodes on the local link.

B.

A packet with a destination anycast address is sent to all nodes on the local network.

C.

A packet with a destination anycast address is sent to all nodes that have joined the anycast group.

D.

A packet with a destination anycast address is sent to the nearest node that is assigned the anycast address

E.

A packet with a destination anycast address is sent to all nodes that are assigned the anycast address.

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Question # 57

A service has a null encapsulated SAP and a vc-type vlan' SDP. What happens when the SAP receives an untagged Ethernet frame?

A.

The frame is dropped.

B.

The service ID is added as the provider VLAN tag.

C.

A VLAN tag of 0 is added as the provider VLAN tag.

D.

The frame is forwarded with no provider VLAN tag.

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Question # 58

The SAP 1/1/1:2.3 receives an Ethernet frame with outer VLAN tag 5 and inner VLAN tag 3. Which of the following is TRUE?

A.

The frame is dropped.

B.

The frame's outer tag is changed to match the SAP, and it is accepted.

C.

The frames outer tag is dropped, and the frame is accepted.

D.

The frame's tags are removed, and the frame is accepted.

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Question # 59

Click the exhibit.

The CEs use BGP and export policies to advertise their local prefixes with the VPRN on their PEs. If the VPRN is functioning properly, which of the following commands will succeed when performed on router R1?

A.

"ping 192.168.20.1"

B.

"oam vprn-ping 100 source 192.168.10.1 destination 192.168.20.1"

C.

"oam vprn-ping 100 source 192.168.20.1 destination 192.168.10.1"

D.

"ping 10.10.10.6" (router R6's system IP)

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Question # 60

Which of the following about the VPN-IFV4 address family is FALSE?

A.

VPN-IFV4 allows multiple customers to have overlapping IP addresses.

B.

CE routers use VPN-IPv4 prefixes to differentiate between services.

C.

PE routers are responsible for creating VPN-IPv4 prefixes.

D.

A VPN-IFV4 prefix is composed of a route distinguisher (RD) and an IPv4 address.

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Question # 61

Click the exhibit.

Which tool produced this output?

A.

ping

B.

Isp-ping

C.

traceroute

D.

Isp-trace

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Question # 62

Which of the following SAPs will NOT forward untagged frames?

A.

sap 1/1/1

B.

sap 1/1/1:*

C.

sap 1/1/1:0

D.

sap 1/1/1:1

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Question # 63

What Alcatel-Lucent 7750 SR OAM tool can be used to verify the end-to-end connectivity of a service?

A.

Sdp-ping

B.

Isp-ping

C.

Svc-ping

D.

Sdp-mtu

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Question # 64

Which of the following commands can be used to compare the VC MTU signaled between two PE routers?

A.

show router route-table

B.

show router Idp bindings

C.

show service service-using

D.

show service egress-label

E.

show router rsvp session

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Question # 65

Which of the following are characteristics of a SDP? (Choose 2)

A.

SDPs are a logical way to direct traffic from one router to another.

B.

SDPs are a logical way to direct traffic between services.

C.

SDP IDs are locally unique.

D.

SDP IDs must be unique across the network.

E.

SDPs are specific to one service type

F.

SDPs must use MPLS for their encapsulation

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Question # 66

Which of the following is NOT a VPWS service supported on the Alcatel-Lucent 7750 SR?

A.

Epipe

B.

Fpipe

C.

Apipe

D.

Ipipe

E.

Cpipe

F.

Gpipe

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Question # 67

Click on the exhibit.

Which of the following is FALSE?

A.

The Isp-ping tool is used to perform a unidirectional LSP test.

B.

The router 10.10.10.2 is the egress router of the LSP.

C.

The router can reach the far-end of the LSP through an RSVP-TE tunnel.

D.

The router can reach the far-end of the LSP through an LDP tunnel.

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Question # 68

Which of the following conditions are necessary in order for service labels to be signaled between two PE routers? (Choose 3)

A.

LDP must be enabled on both PE routers.

B.

RSVP must be enabled on both PE routers.

C.

Traffic engineering must be enabled in the IGP.

D.

The VC-ID must match between the two PE routers in both directions.

E.

The transport tunnel must be operationally up between the two PE routers in both directions.

F.

The SDP ID must match between the two PE routers in both directions.

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Question # 69

Click on the exhibit.

An LDP tunnel is established on R1-R2-R4-R6 because the link between routers R3 and R6 is down. With the LDP-IGP Sync feature enabled, what happens immediately after the link is restored?

A.

A new LDP session is established on R1-R3-R6 as soon as the FIB is updated.

B.

The LDP session remains unchanged until the existing path R1-R2-R4-R6 goes down.

C.

A new LDP session is established on R1-R3-R6 as soon as router R1 receives a new label for router R6.

D.

The LDP session remains unchanged until router R3 stops advertising the maximum metric for the link to router R6.

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Question # 70

Which of the following regarding the location of an MPLS label is FALSE?

A.

The MPLS label value may be carried in an ATM header.

B.

The MPLS label value may be carried in a shim header.

C.

The MPLS label value may be carried in an OSPF header.

D.

The MPLS label value may be carried in a Frame Relay header.

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Question # 71

Which of the following are the default settings for the Alcatel-Lucent 7750 SR when using LDP?

A.

Per-platform label space, conservative retention mode

B.

Per-interface label space, conservative retention mode

C.

Per-platform label space, liberal retention mode

D.

Per-interface label space, liberal retention mode

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Question # 72

The following are statements about fields in the Hello packet that must match in order to form an OSPF adjacency. Which statement is correct?

A.

The area ID does not have to match.

B.

The value of the E bit in the options field does not have to match.

C.

The value of the Hello interval does not have to match.

D.

The value of the network mask does not have to match.

E.

The area ID, the E bit value, the Hello interval and network mask must all match.

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Question # 73

An Alcatel-Lucent 7750 SR label switches a packet it receives. The packet has an outer label TTL of 250 and an inner label TTL of 251. Which of the following is TRUE?

A.

The outer label TTL will be 249 and the inner label TTL will be 250.

B.

The outer label TTL will be 249 and the inner label TTL will be 251.

C.

The outer label TTL will be 251 and the inner label TTL will be 251.

D.

The outer label TTL will be 251 and the inner label TTL will be 252.

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Question # 74

When a physical port is configured for null encapsulation, many SAPs can be configured using that port.

A.

TRUE

B.

FALSE

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Question # 75

Which component of the Alcatel-Lucent 7750 SR is in charge of performing the longest prefix match lookup on packets that arrive on the physical interfaces?

A.

CPM

B.

MDA

C.

Switch Fabric

D.

IOM

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Question # 76

Click on the exhibit button below.

Which of the following is the correct configuration for an MP-BGP session on 6VPE1?

A.

PE1>config>router>bgp#info

--------------------------------------------

group "multi-bgp"

family vpn-ipv6

neighbor 10.10.10.2/32

local-address 10.10.10.1

peer-as 64496

exit

exit

B.

PE1>config>router>bgp#info

-------------------------------------------

group "multi-bgp"

family ipv6 vpn-ipv4

neighbor 10.10.10.2

local-address 10.10.10.1

peer-as 64496

exit

exit

C.

PE1>config>router>bgp#info

--------------------------------------------

group "multi-bgp"

family vpn-ipv6

neighbor 10.10.10 2

local-address 10.10.10.1

peer-as 64496

exit

exit

D.

PE1>config>router>bgp#info

--------------------------------------------

group "multi-bgp"

family ipv6 vpn-ipv6

neighbor 10.10.10.2/32

local-address 10.10.10.1

peer-as 64496

exit

exit

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Question # 77

FRF.5 is a standard that describes which of the following requirements?

A.

ATM to Frame Relay translation.

B.

Frame Relay to Ethernet translation.

C.

ATM tunneling over a Frame Relay core network.

D.

Frame Relay tunneling over an ATM core network.

E.

Frame Relay tunneling over an MPLS/IP core network

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Question # 78

Which of the following about RSVP-TE on an Alcatel-Lucent 7750 SR is TRUE?

A.

Label bindings are distributed to other routers when explicitly requested.

B.

Label bindings are distributed to all neighbors including non-downstream routers.

C.

Label bindings are distributed if labels have not been received from downstream routers.

D.

All labels received from downstream neighbors are stored in the LIB.

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Question # 79

Which of the following best describes the features of Classless Inter-Domain Routing (CIDR)?

A.

Automatic summarization and the use of IP addresses that use any number of bits for the network portion of the address.

B.

Manual summarization and the use of IP addresses that use any number of bits for the network portion of the address.

C.

Automatic summarization and the use of IP addresses that use a fixed number of bits for the network portion of the address.

D.

Manual summarization and the use of IP addresses that use a fixed number of bits for the network portion of the address.

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Question # 80

Which of the following devices assumes the active role during the establishment of an LDP session?

A.

The peer with the higher physical address.

B.

The peer with the higher transport address.

C.

The peer with the lower physical address.

D.

The peer with the lower transport address.

E.

The peer that generated the first Hello message.

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Question # 81

Which one of the commands below will create a static route to network 2.3.4.0/24 on the AlcatelLucent 7750 SR router?

A.

Static route 2.3.4.0 255.255.255.0 next hop 3.4.5.6

B.

Static-route next-hop 3.4.5.6 2.3.4.0/24

C.

Static route 2.3.4.0/24 next hop 3.4.5.6

D.

Static-route 2.3.4.0/24 next-hop 3.4.5.6

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Question # 82

Which of the following statements is TRUE concerning route distinguishes on the 7750 SR?

A.

Route distinguishes are 12 bytes in length

B.

Route distinguishes are appended to IPv4 prefixes to form 16 byte VPN-IFV1 prefixes.

C.

Route distinguishes are used to determine which routes a VPRN should import.

D.

CE routes must be configured with the proper route distinguishes for the VPRN they are associated to

E.

All of the above statements are true.

F.

All of the above statements are false.

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Question # 83

Which of the following about an LSP protected with facility FRR is TRUE?

A.

The LSP can use protection tunnels used by other LSPs.

B.

The LSP can use facility and one-to-one FRR simultaneously.

C.

The LSP is limited to link protection.

D.

A detour protection tunnel is created for this LSP.

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Question # 84

Which of the following types of networks are supported on an Alcatel-Lucent 7750 SR for OSPF? Choose two answers.

A.

Broadcast

B.

Non-broadcast multi-access

C.

Point-to-point

D.

Point-to-multipoint

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Question # 85

Which of the following statements apply to link state protocol behavior? Choose three answers.

A.

Routers broadcast the entire route table to all neighbors.

B.

Information about directly connected links is sent to all neighbors.

C.

An adjacency database is maintained by each router.

D.

The sequence number for an update is incremented as it is flooded from router to router.

E.

The topological database is the same for all routers in a single area.

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Question # 86

An Alcatel-Lucent 7750 SR enabled with LDP has multiple equal cost paths to a given FEC. After ECMP is enabled, which of the following is FALSE?

A.

The router has new entries added for the given FEC in its LIB.

B.

The router has new entries added for the given FEC in its FIB.

C.

The router generates a single label for the given FEC and advertises it to all its peers,

D.

The router has multiple LSP tunnels for the given FEC.

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Question # 87

In a VPLS service, the mesh-sdp vc-id is identical to the service id by default.

A.

TRUE

B.

FALSE

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Question # 88

Click on the exhibit.

Router R2 advertises an OSPF summary route 10.10.10.0/24 into Area 1. Router R3 receives labels for individual FECs 10.10.10.2/32 and 10.10.10.4/32. These two FECs are installed in router R3's LIB but not in the LFIB. What needs to be done on router R3 to install these labels into its LFIB?

A.

Disable route summarization on router R3.

B.

Enable LDP aggregate prefix match.

C.

Create an import policy to accept 10.10.10.2/32 and 10.10.10.4/32.

D.

Disable LDP exact match on 10.10.10.2/32 and 10.10.10.4/32.

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Question # 89

What is the minimum Ethernet physical network MTU required for a Layer 2 service on an MPLS encapsulated SDP with a service MTU of 1518?

A.

1520

B.

1540

C.

1548

D.

1556

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Question # 90

A service provider wishes to configure a Layer 2 service that will forward customer VLAN tags. When configuring an SDP for the service, which vc-type will forward service delimiting tags on the ingress PE?

A.

vc-type ether

B.

vc-type vlan

C.

vc-type dot1q

D.

vc-type null

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Question # 91

Click on the exhibit.

OSPF is operational on all links in the network diagram, all routers are the same cost, and all routers are configured with an ECMP value of 4. Router R5 advertises the prefix 192.168.3.0/24 into OSPF.

How many entries for prefix 192.168.3.0/24 will be in router R3's routing table?

A.

0

B.

1

C.

2

D.

3

E.

4

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Question # 92

Click the exhibit.

Based on the output shown, what is the value of the service's VC ID?

A.

2

B.

12

C.

30

D.

44

E.

100

F.

The VC ID Cannot be determined from the output

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Question # 93

Click on the exhibit.

Router R4 is being added to the network and it is connected to a non-OSPF domain.

Which area type should be used for Area 1 to allow the external routes to be advertised into Area 0?

A.

Backbone

B.

NSSA

C.

Stub

D.

Totally stubby

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Question # 94

Which of the following LDP messages are used in the successful establishment of LDP sessions? Choose three answers

A.

Label request message

B.

Notification message

C.

Address message

D.

Keepalive message

E.

Initialization message

F.

Hello message

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Question # 95

Which of the following regarding IS-IS DIS is FALSE?

A.

L1 and L2 routers elect separate DIS's.

B.

DIS uses a specific Ethernet multicast address to communicate with other routers on the broadcast network.

C.

If a new router starts up in a LAN and has a higher interface priority, the new router preempts the original DIS and becomes the DIS.

D.

In broadcast multi-access networks, such as Ethernet, one router is elected as the DIS and a second router as the backup DIS.

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Question # 96

Click on the exhibit.

The operator of an IS-IS network wishes to have link metrics dynamically calculated in the same manner as OSPF. The router with system address 10.10.10.1 is one hop away on a 1Gbps link

Which of the following is correct?

A.

The router is correctly configured.

B.

Neither a reference-bandwidth nor wide-metrics is configured on the router.

C.

A reference-bandwidth is configured on the router but wide-metrics is not.

D.

Wide-metrics is configured on the router but a reference-bandwidth is not.

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Question # 97

Which of the following devices can originate an opaque LSA?

A.

TE enabled OSPF routers

B.

Backbone router only

C.

ABR only

D.

ASBR only

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Question # 98

A transport tunnel can either use an MPLS or GRE encapsulation.

A.

TRUE

B.

FALSE

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Question # 99

Which of the two following statements are TRUE?

A.

When an Alcatel-Lucent Service Router is rebooted, the mirror destination and mirror source must be re-configured

B.

A mirror destination is shut down by default on an Alcatel-Lucent Service Router.

C.

A mirror source is shut down by default on an Alcatel-Lucent Service Router.

D.

When an Alcatel-Lucent Service Router is rebooted, the mirror destination must be re-configured.

E.

When an Alcatel-Lucent Service Router is rebooted the mirror source must be re-configured.

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Question # 100

Which of the following statements is FALSE regarding 6VPE?

A.

Multiple MP-BGP sessions are required to carry VPN-IPv4 and VPN-IPv6 routes.

B.

PE routers must support both IPv4 and IPv6 addresses; customer routers can use either one

C.

In 6VPE, MP-BGP is used to advertise IPv6 prefixes and the associated VPRN label.

D.

In 6VPE, the provider core routers are IPv6-unaware.

E.

All of the above statements are true.

F.

All of the above statements are false.

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Question # 101

Which of the following statements is TRUE regarding service mirroring?

A.

Mirror slicing is used to logically separate a port that is being monitored.

B.

Mirror slicing configuration is earned out in the mirror destination.

C.

By default, mirror slicing is enabled so that only the protocol headers of data traffic are replicated to a mirror port.

D.

The maximum number of mirror slices that can be made on a network and access port are 256 and 8, respectively

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Question # 102

Click on the exhibit button below.

With fast reroute enabled, and given the following:

  • Two protected LSPs with the path R1-R2-R3
  • Both LSPs enable facility bypass and link protection.

When router R1 is the PLR, which router becomes the MP?

A.

Router R1

B.

Router R2

C.

Router R3

D.

Router R4

E.

Router R5

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Question # 103

Which of the following TLV fields is included in an IS-IS Hello packet on broadcast interfaces but not on point-to-point interfaces?

A.

The area addresses TLV

B.

The intermediate system neighbors TLV

C.

The IP interface address TLV

D.

The authentication information TLV

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Question # 104

Click on the exhibit.

Two neighboring OSPF routers have exchanged the packets shown. What state is the adjacency in?

A.

Down

B.

Initializing

C.

2-way

D.

Full

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Question # 105

Which one of the following statements regarding RSVP LSP configuration is true?

A.

LSPs must always terminate on a system ID.

B.

MPLS and RSVP must be enabled on all routers.

C.

Interfaces must be individually created in RSVP.

D.

Path definitions must include at least one hop entry.

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Question # 106

Click on the exhibit.

192.168.3.1 is a loopback interface on router R2 and is distributed to OSPF area 0, but the ping fails from router R3. Which of the following is a possible solution to the problem?

A.

Add "stub no summaries" to the area 1 configuration on router R1.

B.

Add the "originate-default-route" option in the area 1 configuration on router R1.

C.

Add a default static route on router R3.

D.

Include the system interface in the area 1 configuration on router R3.

E.

Add a static route on router R3 to 192.168.3.1.

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Question # 107

Which of the following statements regarding RSVP-TE is FALSE?

A.

RSVP-TE operates in a downstream unsolicited label advertisement mode.

B.

RSVP-TE makes use of ordered control mode.

C.

RSVP-TE is an MPLS signaling protocol, based on the resource reservation protocol.

D.

RSVP-TE enables the establishment of explicitly routed LSPs that can be automatically routed away from network failures

E.

RSVP-TE supports explicitly routed LSPs using either loose or strict route definitions.

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Question # 108

Why does IPv6 not use ARP?

A.

The ARP functionality has been replaced by the Neighbor Discovery protocol.

B.

The ARP functionality is not needed due to the increased IPv6 address space.

C.

ICMPv6 reduced its role to connectivity checking and auto-configuration only.

D.

ICMFV6 replaced the ARP functionality with Multicast Listener Discovery (MLD).

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Question # 109

Which of the following statements best describes the main difference between an Ipipe and an Epipe interworking?

A.

An Ipipe is a point-to-point Layer 2 VPN capable of only carrying Ethernet payloads. An Epipe interworking refers to the transportation of ATM/FR traffic over an Epipe.

B.

An Ipipe is used for performing Ethernet interworking with ATM/FR/PPP using bridged-PDUs. An Epipe interworking is used for performing Ethernet interworking with ATM/FR/PPP using routed-PDUs.

C.

An Ipipe is used for performing Ethernet interworking with ATM/FR/PPP using routed-PDUs. An Epipe interworking is used for performing Ethernet interworking with ATM/FR/PPP using bridged-PDUs.

D.

None of the above.

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Question # 110

Which of the following statements are FALSE regarding the VPN-IPv4 address family? (Choose 2)

A.

When a PE router receives an IPv4 prefix from its local CE it creates a VPN-IPv4 prefix.

B.

The route distinguisher (RD) is appended to the IPv4 prefix to form a 16 byte VPN-IPv4 prefix.

C.

VPN-IPv4 allows BGP to distinguish multiple routes with the same prefixes originated from distinct customers

D.

VPN-IPv4 addresses are only present within the service provider network.

E.

In VPRN, data traffic is carried in VPN-IPv4 packets.

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Question # 111

Which of the following is a benefit of VPRN as compared to VPLS?

A.

Service providers can apply QoS, ingress/egress traffic shaping and policing on a per service basis.

B.

Different customers with overlapping address space can be accommodated.

C.

There is a clear demarcation of customer and service provider networks.

D.

Customers can connect to the same service using different subnets.

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Question # 112

Which utility on the Alcatel-Lucent 7750 SR can be used to investigate an MPLS path?

A.

Isp-trace

B.

Idp-trace

C.

Sdp-ping

D.

Svc-ping

E.

Ping

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Question # 113

An ES service can have both MAC and IP filters applied to it.

A.

TRUE

B.

FALSE

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Question # 114

Which of the following about MPLS shortcuts for IGP on an Alcatel-Lucent 7750 SR is FALSE?

A.

An IGP route takes priority over a transport tunnel.

B.

Both LDP and RSVP-TE based tunnels can be used.

C.

MPLS tunnels can be used to resolve the prefixes learned via IGP.

D.

Multiple MPLS tunnels can be installed in the FIB.

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Question # 115

Which of the following best describes the actions after an IS-IS router receives on a broadcast interface, a newer LSP than the one in its database?

A.

The router sends a copy of the LSP from its database to its neighbor

B.

The router updates its database with the LSP and floods a copy to its other neighbors.

C.

The router updates its database with the LSP, acknowledges the LSP with a PSNP and floods a copy to its other neighbors.

D.

The router updates its database with the LSP and acknowledges it with a PSNP.

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Question # 116

What best describes the type of packets used by OSPF routers to exchange updates on a pointto-point link?

A.

IP packets sent to an IP multicast address.

B.

Ethernet frames sent to an Ethernet multicast address.

C.

IP packets sent to an IP unicast address.

D.

UDP packets sent to an IP multicast address.

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Question # 117

Click the exhibit button.

Given the topology and the show commands, and assuming that router R2 advertises all of its loopbacks into OSPF, what is the correct router R1 configuration?

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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Question # 118

Click the exhibit button.

Which of the following statements best describes the format of data traffic sent from the PC to the server?

A.

The source IP address will be the address of the PC, and the destination IP address will be the system IP address of router R1; the source MAC address will be the MAC address of the PC, and the destination MAC address will be the MAC address of the router R1 port connected to the PC.

B.

The source IP address will be the address of the PC, and the destination IP address will be the IP address of the router R1 port connected to the PC, the source MAC address will be the MAC address of the PC, and the destination MAC address will be the MAC address of the router R1 port connected to the PC.

C.

The source IP address will be the address of the PC, and the destination IP address will be the IP address of the server, the source MAC address will be the MAC address of the PC, and the destination MAC address will be the MAC address of the server.

D.

The source IP address will be the address of the PC, and the destination IP address will be the IP address of the server; the source MAC address will be the MAC address of the PC, and the destination MAC address will be the MAC address of the router R1 port connected to the PC.

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Question # 119

Which of the statements about the output in the exhibit is FALSE?

A.

The system interface is configured with IPv6 address 2001DB8 1:100:1/128

B.

All interfaces are configured for IPv4 and IPv6.

C.

Interface "toR2" is configured with a globally routed IPv6 address.

D.

Interface "toR3" is not configured for IPv6 with a global IPv6 address.

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Question # 120

What command will show the OSPF neighbors, and their status on the Alcatel-Lucent 7750 SR?

A.

Show ospf neighbors

B.

Show router ospf neighbors

C.

Show router ospf adjacency

D.

Show ospf adjacency

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Question # 121

An OSPF ASBR must have at least one interface in the backbone area (area 0)

A.

True

B.

False

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Question # 122

Click the exhibit button.

In the topology shown, router R1 is an ASBR configured to export external routes to OSPF. Which of the following statements regarding the OSPF LSAs in the network is true?

A.

Router R1 generates a type 5 LSA that is flooded through all OSPF areas.

B.

Router R1 generates a type 7 LSA that is flooded through all OSPF areas.

C.

Router R1 generates a type 5 LSA that is flooded through area 1. Router R2 generates a type 7 LSA that is flooded through areas 0 and 2.

D.

Router R1 generates a type 7 LSA that is flooded through area 1. Router R3 generates a type 5 LSA that is flooded through areas 0 and 2.

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Question # 123

What value should the AFI be set to for locally administered addressing?

A.

1

B.

49

C.

83

D.

0

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Question # 124

Which of the following statements regarding IS-IS Hello packets are true? Choose two answers.

A.

Different types of Hello packets are exchanged on point-to-point networks than on broadcast networks.

B.

L1/L2 Hello packets are exchanged on broadcast links.

C.

Different L1 and L2 Hello packets are exchanged on broadcast links.

D.

By default, Hello packets are sent every 5 seconds, and the timeout to declare a neighbor down is 15 seconds.

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Question # 125

When configuring a filter, where should the most explicit entries be placed?

A.

At the bottom

B.

In the middle

C.

At the top

D.

It does not matter where they are placed.

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Question # 126

In IS-IS, which of the following statements regarding an L1/L2 router is false?

A.

An L1/L2 router can have neighbors in different areas.

B.

An L1/L2 router calculates separate SPF trees for the Level 1 and Level 2 topology.

C.

An L1/L2 router advertises its L2 routes to its L1 neighbors.

D.

An L1/L2 router sets the ATT bit in L1 LSPs to identify itself as an L1 router.

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Question # 127

When IS-IS elects a DIS, what is used as the tie breaker on an Alcatel-Lucent 7750 SR, if the priorities are the same?

A.

The system ID.

B.

The loopback address.

C.

The sequence number of the Hello packet.

D.

The device that first initiated communication becomes the DIS

E.

The highest interface MAC address.

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