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

Question # 4

In a Layer 2 encapsulation, using Martini, 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 # 5

A router has two admin groups defined (GREEN=1 and RED=3). An interface is associated to both admin groups. What value will be shown in the Admin Group sub-TLV for this interface?

A.

0x4

B.

0x5

C.

0x10

D.

0xa

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Question # 6

Which of the following regarding MPLS label value assignment is FALSE?

A.

Label values may be dynamically assigned by LDP.

B.

Label values may be dynamically assigned by RSVP-TE.

C.

Label values may be reserved for special uses.

D.

Label values may be dynamically assigned by IGP.

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Question # 7

Click on the exhibit.

What is the possible reason that the label for prefix 192.10.1.2/32 is not active?

A.

The router does not have a route to reach to the peer 10.10.10.2/32.

B.

The router does not have a route to reach to the prefix 192.10.1.2/32.

C.

The router does not have an export policy defined to export the prefix 192.10.1.2/32 into LDP.

D.

The router receives an invalid label for the prefix 192.10.1.2/32 from its peer.

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Question # 8

Which of the following about the Link LDP discovery process on the Alcatel-Lucent 7750 SR is FALSE?

A.

LDP Hello messages are sent over TCP.

B.

LDP Hello messages are sent to the All Routers address 224.0.0.2.

C.

LDP Hello messages are exchanged between all directly connected LDP enabled routers.

D.

Each LDP enabled router must have its own unique system IP address.

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Question # 9

Click on the exhibit.

An LSP traverses the path R1-R2-R3. With one-to-one fast reroute enabled, which router becomes a DMP for the detour tunnels?

A.

Router R1

B.

Router R2

C.

Router R3

D.

Router R4

E.

Router R5

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Question # 10

Which of the following best completes the sentence: "An Internet Enhanced Service is a_____________ service where the CE communicates with a ________________interface to send and receive traffic.

A.

distributed/virtual

B.

local/sub

C.

routed/Layer 3

D.

distributed/routed

E.

Layer 2/loopback

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Question # 11

A network consists of 4 PE routers. A customer requires a VPLS service and has sites connected to each PE. Each site must have direct connectivity with all other sites. How many SDPs must be configured on each PE?

A.

0

B.

2

C.

3

D.

4

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Question # 12

Which of the following about LDP-over-RSVP is TRUE?

A.

RSVP LSPs must exist between each PE-ABR pair, or ABR-ABR pair in each area.

B.

When LDP-over-RSVP is active, the LDP prefixes are resolved to a physical egress interface.

C.

Targeted sessions must exist between all routers along the tunnel path.

D.

Link LDP sessions must exist between each ABR-ABR pair in each area.

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Question # 13

Click on the exhibit.

The path of a fast reroute protected LSP is R1-R2-R3. Which of the following about the protected LSP path is TRUE?

A.

All routers along the path, R1, R2, and R3 can be PLRs.

B.

If the R1-R2 link fails, router R4 becomes an MP.

C.

If the R2-R3 link fails, router R3 becomes a PLR.

D.

Router R1 is the LSP head-end and can be a PLR.

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Question # 14

Click on the exhibit.

All links have 1 Gbps unreserved bandwidth initially. After the LSP's primary and standby secondary paths are signaled, how much bandwidth is reserved on the link between routers R1 and R2?

A.

If Shared Explicit reservation style is used, 400Mbps is reserved.

B.

If Shared Explicit reservation style is used, 700Mbps is reserved.

C.

If Fixed Filter reservation style is used, 400Mbps is reserved.

D.

If Fixed Filter reservation style is used, 300Mbps is reserved.

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Question # 15

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 and after the link is restored, which of the following is FALSE?

A.

Router R3 starts the LDP-Sync timer after recovering the LDP session on R3-R6.

B.

Router R1 continues to use R1-R2-R4-R6 until the LDP-Sync feature is disabled.

C.

Router R3 advertises the maximum metric for the link to router R6.

D.

Router R1 receives a label from router R3 after the LDP session is established on R3-R6.

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Question # 16

Which of the following about LSPs is FALSE?

A.

IGP-based LSPs are calculated based on information contained in routing tables.

B.

Constraint-based LSPs are calculated using the head-end router's TED.

C.

Constraint-based LSPs must use RSVP-TE signaling.

D.

IGP-based LSPs must use LDP signaling.

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Question # 17

When configuring an IES spoke termination to a VPLS, what must be explicitly configured in order for the service to come up? (Choose 2)

A.

MTU must match on both services,

B.

Mesh-SDP with matching vc-id configured,

C.

Spoke-SDP with matching vc-id configured.

D.

Spoke-SDP.

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Question # 18

A technician sitting in a Network Operations Center would like to set up a remote mirror on an Alcatel-Lucent 7750 Service Router to examine some data traffic ingressing a port at a remote site. Which of the following are required? (Choose 2)

A.

A mirror destination on the local and remote Alcatel-Lucent Service Router,

B.

A mirror source on the local and remote Alcatel-Lucent Service Router.

C.

A mirror source with the remote source specified on the remote Alcatel-Lucent Service Router.

D.

A mirror source with the remote source specified on the local Alcatel-Lucent Service Router.

E.

An SDP between the local and remote Alcatel-Lucent Service Routers.

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Question # 19

Click on the exhibit.

After the Isp-ping command is executed, which of the following best describe the router's action?

A.

MPLS Echo Request packets are sent unlabeled to the prefix 192.10.1.2.

B.

MPLS Echo Request packets are sent within the LDP tunnel that are signaled for 192.10.1.2.

C.

MPLS Echo Request packets are sent within the RSVP-TE tunnel that are signaled for 192.10.1.2.

D.

MPLS Echo Request packets are sent over TCP.

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Question # 20

Which of the following statements is TRUE concerning the advertisement of VRF routes on a 7750 SR?

A.

By default, a 7750 SR does not advertise all routes in the VRF to a CE router.

B.

The default 7750 SR behavior describes all routes in a VRF that are advertised to other PE routers.

C.

By default, a 7750 SR does not advertise all routes in the VRF to other PE routers.

D.

By default, a 7750 SR advertises all routes in the VRF to a CE router.

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Question # 21

Which of the following about T-LDP on the Alcatel-Lucent 7750 SR is FALSE?

A.

T-LDP is used to provide an end-to-end session between two PE routers.

B.

T-LDP is used to signal service labels for Layer 2 services.

C.

T-LDP is used to establish transport tunnels for Layer 2 services.

D.

T-LDP is used in LDP over RSVP solution.

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Question # 22

Which of the following statements are TRUE about configuring a distributed Epipe service? (Choose 2)

A.

The vc-id on the spoke-sdp must be explicitly configured.

B.

The vc-id on the mesh-sdp must be explicitly configured.

C.

The vc-id on the spoke-sdp can be configured to match the service id.

D.

The vc-id on the mesh-sdp can be configured to match the service id.

E.

The vc-id on the spoke-sdp does not have to be explicitly configured and will use the service id.

F.

The vc-id on the mesh-sdp does not have to be explicitly configured and will use the service id.

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Question # 23

Which MPLS mode saves only active label mappings received from peer LSRs?

A.

Conservative label retention

B.

Liberal label retention

C.

Downstream on demand

D.

Downstream unsolicited

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Question # 24

Which of the following statements best describes an FDB used in a VPLS service?

A.

A VPLS service does not use an FDB.

B.

An FDB is maintained on the PE router to track MAC addresses learned from all traffic through the router.

C.

An FDB is maintained on the PE router to track MAC addresses learned from all VPLS services on the router.

D.

A separate FDB is maintained for each VPLS service to track MAC addresses learned from each service.

E.

For each VPLS service, two FDBs are maintained to track MAC addresses; one for unicast traffic and one for multicast and broadcast traffic.

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Question # 25

Which OAM command can be used to verify the correct and consistent provisioning of a service between two service end points?

A.

sdp-ping

B.

Isp-ping

C.

sap-ping

D.

svc-ping

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Question # 26

Click on the exhibit.

An LSP traverses R1-R2-R4-R6 and facility fast reroute with link protection is enabled. All links have the same cost. Which of the following about PLRs and MPs is TRUE?

A.

R1, R2, and R4 can be PLRs; R6 is the MP.

B.

R1, R2, and R4 can be PLRs; R2, R4, and R6 are MPs.

C.

R1, R2, R3, R4, and R5 can be PLRs; R6 is the MP.

D.

R1, R2, R3. R4, and R5 can be PLRs; R2, R4, and R6 is the MP.

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Question # 27

Which of the following is NOT an advantage of MPLS shortcuts for BGP traffic?

A.

It makes use of MPLS resiliency features available within an AS.

B.

It eliminates double route lookups on all routers within an AS.

C.

It eliminates the need to run IGP on all routers within an AS.

D.

It eliminates the need for an iBGP full mesh on all core routers.

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Question # 28

Which mode does the following statement describe? An LSR will advertise a label mapping immediately, without waiting for a label mapping from the FEC's next-hop.

A.

Liberal label retention mode

B.

Conservative label retention mode

C.

Ordered control mode

D.

Independent control mode

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Question # 29

Click on the exhibit.

The partial command output from an Alcatel-Lucent 7750 SR is shown. Which of the following about this LSP path is TRUE?

A.

R4 (10.10.10.4) has established a link protection tunnel.

B.

R6 (10.10.10.6) has established a link protection tunnel.

C.

R2 (10.10.10.2) has established a node protection tunnel.

D.

R1 (10.10.10.1) has not established a node protection tunnel.

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Question # 30

Which of the following steps is mandatory when enabling an MP-BGP session between PE routers in a VPRN?

A.

Configure an autonomous system number in the global context.

B.

Configure a BGP group and peer parameters.

C.

Configure a VPN-IPv4 address family.

D.

All of the above steps are mandatory.

E.

None of the above steps are mandatory.

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Question # 31

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 # 32

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 # 33

If a Router originates a type 1 router LSA with the E bit set what types of areas can it belong to? Select all that apply.

A.

Not So Stubby Area

B.

Stub Area

C.

Backbone Area

D.

Standard Area

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Question # 34

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 # 35

The Alcatel-Lucent 7750 SR supports which two of the OSPF area types below?

A.

Not So Stubby Areas

B.

Level 1 Areas

C.

Stub Areas

D.

Partially Stubby Areas

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Question # 36

Click the exhibit button.

In the IS-IS network shown, router R1 has been configured to summarize network 20.20.1.0/24 and 20.20.2.0/24 as 20.20.0.0/16. Which router's routing table will be reduced compared to the routing table before the summarization?

A.

Router R1

B.

Router R2

C.

Routers R1 and R2

D.

Router R4

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Question # 37

What are the ways the RID can be created on an Alcatel-Lucent 7750 SR router? (Choose three)

A.

From the last 32 bits of the chassis MAC address

B.

From the first 32 bits of the chassis MAC address

C.

The loopback IP address

D.

By using the command "config router ospf rid X.X.X.X"

E.

From the system IP address

F.

From the highest interface IP address

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Question # 38

Which of the statements below best describes the pseudonode in an IS-IS network?

A.

The DIS creates a logical node to represent a group of routers on the same non-broadcast network; this node is the pseudonode

B.

The DIS creates a logical node to represent the topological database of the backbone network in an IS-IS network; this node is the pseudonode

C.

The DIS creates a logical node to represent a broadcast sub-network; this node is the pseudonode

D.

The DIS creates a logical node to represent the complete topology of an IS-IS area; this node is the pseudode

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Question # 39

What is the default preference value for a static route in the Alcatel-Lucent 7750 SR?

A.

0

B.

5

C.

10

D.

15

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Question # 40

From the list below identify two matching criteria supported for IP filters on the Alcatel-Lucent 7750 SR: (Choose two)

A.

DSCP marking

B.

Class of Service Marking

C.

DSAP marking

D.

ICMP type

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Question # 41

Which of the following LSA types stay within an OSPF area, and are not flooded outside of the area? Choose two answers.

A.

Router LSA

B.

Network LSA

C Summary network LSA

C.

Summary router LSA

D.

Type 5 (AS external) LSAs

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Question # 42

In an OSPF Hello packet, which of the following fields must match for all neighbor routers on the segment? Choose three answers.

A.

Area ID W B.

B.

Hello and Dead intervals PC.

C.

Stub flag

D.

Checksum values

E.

The list of neighbors

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Question # 43

What is the CIDR summary for the block of networks from 193.4532.0/24 to 193.45.47.0/24?

A.

193.45 32 0/20

B.

193.45.0.0/21

C.

192.45.32.0/21

D.

192.45.0.0/20

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Question # 44

Which of the following is optional when configuring IS-IS on the Alcatel-Lucent 7750 SR?

A.

Configuring IS-IS interfaces

B.

Enabling IS-IS

C.

Configuring level capabilities

D.

Specifying an area address

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Question # 45

Which of the following is NOT a characteristic of RIPv1?:

A.

30 second network updates

B.

Classless routing

C.

Broadcast advertisement

D.

Poison Reverse

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Question # 46

Static routing will be used in a network between a corporate head office, with many connected networks, and a branch office, with one connection to the head office. Which of the following best describes the likely configuration?

A.

The corporate head office router will have a default route and the branch site will have a more specific static route.

B.

The corporate head office router and the branch office router will both have specific static routes.

C.

The corporate head office router and the branch router will both have default routes.

D.

The corporate head office router will have a more specific static route and the branch office router will have a default route.

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Question # 47

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 # 48

How are IS-IS LSPs sent on point-to-point links?

A.

They are sent using multicast MAC addresses 0180:0200:0014.

B.

They are sent using multicast MAC addresses 0180:c200:0015.

C.

They are sent using a unicast address.

D.

None of the above.

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Question # 49

What address is used when RIPv2 uses multicast to send its updates?

A.

224.0.0.5

B.

224.0.0.6

C.

224.0.0.9

D.

224.0.0.10

E.

RIPv2 does not have support for multicast

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Question # 50

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 # 51

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 # 52

What is the primary purpose of classless interdomain routing (CIDR)?

A.

To support classful routing protocols.

B.

To allow IP routes to be defined using any number of bits for the network portion of the address.

C.

To allow interdomain routing between an IGP and EGP such as OSPF and BGP.

D.

To simplify the allocation of IP address space by defining a fixed size for the network portion of the address for each of the address classes.

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Question # 53

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 # 54

When redistributing OSPF into RIP V2 what must be taken into consideration for the redistribution to take place?

A.

The metric must be set accordingly for RIP

B.

The subnet mask must be removed from the OSPF route

C.

You must divide the cost of the OSPF route by three

D.

The router must be configured as an ASBR

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Question # 55

In an IP datagram, which of the following fields 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 # 56

What causes an adjacency to change from "Init" to "Two Way"?

A.

When a Link State Update is received in response to a Link State Request

B.

When a router receives a Hello packet from a neighbor that contains its router id in the neighbor list

C.

When OSPF neighbors exchange Database Descriptor packets

D.

When a Link State Acknowledgement is received in response to a Link State Update

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Question # 57

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 # 58

What is the term used for the updates sent by IS-IS?

A.

Link State PDUs

B.

Link State Updates

C.

Link State Advertisements

D.

Intermediate System Update Packets

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Question # 59

Select the answer below that correctly lists the 5 different OSPF packet types.

A.

Hello, Link State Update, Link State Packet, Link State Acknowledgement, Database Descriptor

B.

Link State Update, Link State Refresh, Link State Acknowledgement, Database Descriptor, Notification

C.

Hello, Link State Refresh, Link State Update, Link State Acknowledgement, Link State Authentication

D.

Hello, Link State Update, Link State Request, Link State Acknowledgement, Database Descriptor

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Question # 60

Exhibit

Given the two configurations shown, identify the two incorrect statements below: (Choose two)

A.

Both routers will generate OSPF Hello packets.

B.

The system interface is missing in one configuration so OSPF will not operate correctly.

C.

The interface type settings differ, but OSPF will still operate correctly.

D.

Metric values differ, but this does not prevent OSPF operation.

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Question # 61

Which of the following OSPFv3 LSAs have an AS scope?

A.

Link Local LSA

B.

Router LSA

C.

Network LSA

D.

Inter-Area Router LSA

E.

Intra-Area Prefix LSA

F.

None of the above LSAs have an AS scope.

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Question # 62

In an OSPF Hello packet what fields must match all neighbor routers on the segment? (Choose 3)

A.

Area ID

B.

Hello and Dead Intervals

C.

Stub flag

D.

DR and BDR addresses

E.

The list of neighbors

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Question # 63

Refer to the exhibit.

Assume that OSPFv3 is properly configured on all routers and that R4 advertises its system prefix into Area 0. Which of the following statements best describes how R5 learns R4's IPv6 system prefix?

A.

With a Router LSA originated by R1

B.

With a Router LSA originated by R5

C.

With a Router LSA originated by R4

D.

With an Inter-Area Prefix LSA originated by R1

E.

With an Inter-Area Prefix LSA originated by R5

F.

With an Inter-Area Prefix LSA originated by R4

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Question # 64

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 # 65

Static routing is to be used in a network between a corporate head office with many connected networks, and a branch office with one connection to the head office. Which of the following best describes the likely configuration?

A.

The corporate head office router should have a default route and the branch site should have a more specific static route

B.

The corporate head office router and the branch office router should both have specific static routes.

C.

The corporate head office router and the branch router should both have default routes.

D.

The corporate head office router should have a specific static route and the branch office router should have a default route.

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Question # 66

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 # 67

Click on the exhibit button below.

With fast reroute enabled, and given the following:

  • The protected LSP path is R1-R2-R3.
  • All links are of equal cost.

Which of the following statements is true? (Choose two)

A.

Router R1 is the LSP originator and is also a PLR.

B.

With one-to-one link or node protection, the detour LSP path is R1-R4-R5-R2-R3.

C.

With one-to-one link or node protection, the detour LSP path is R1-R4-R5-R3.

D.

If the R2-R3 link fails, router R3 becomes a PLR

E.

None of the nodes can be protected with FRR.

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Question # 68

Click on the exhibit.

The route table on router R2 shows the system address of router R5 but it does not show any of the interfaces from the non-OSPF area.

What may be causing this?

A.

'asbr' is missing from router R1's configuration.

B.

Router R1 needs to have an export policy added to it.

C.

Router R5 does not have an export policy for these prefixes.

D.

Router R1 needs to have an import policy added to it.

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Question # 69

Which of the following can be used for label signaling and distribution on the Alcatel-Lucent 7750 SR? Choose two answers

A.

RSVP-TE

B.

TDP

C.

LDP

D.

ADP

E.

MPLS-TE

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Question # 70

Click on the exhibit.

Given the output shown, which router is the ASBR in this network?

A.

10.10.10.2

B.

10.10.10.3

C.

10.10.10.4

D.

10.10.10.6

E.

There is no ASBR configured in the network.

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Question # 71

Which of the following commands is used to display the database containing the OSPF-TE LSAs?

A.

show router ospf opaque-database

B.

show router ospf database

C.

show router ospf opaque-Isa

D.

show router ospf te opaque

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Question # 72

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

A.

An L1/L2 router can have adjacencies with routers 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 other L1 routers in the same area.

D.

An L1/L2 router sets the ATT bit in L1 LSPs to indicate that it has routes to other areas.

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Question # 73

Click on the exhibit button below.

LSP 1's link between routers R3 and R6 has failed, and the RESV state at router R3 has timed out. Which of the following actions will router R3 initiate?

A.

Send a Path Tear message towards router R6.

B.

Send a Path Tear message towards router R1.

C.

Send a Resv Tear message toward router R6.

D.

Send a Resv Tear message toward router R1.

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Question # 74

Click on the exhibit.

The routers have an established IS-IS L2 adjacency on which IPv4 system addresses are exchanged. An operator successfully configures multi-topology IS-IS routing so that the IPv6 system addresses are also exchanged between routers.

After IPv6 has been configured, which of the following is TRUE?

A.

Router R2 has two IS-IS adjacencies and two LSPs

B.

Router R2 has two IS-IS adjacencies and three LSPs

C.

Router R2 has two IS-IS adjacencies and four LSPs

D.

Router R2 has three IS-IS adjacencies and three LSPs

E.

Router R2 has three IS-IS adjacencies and four LSPs

F.

Router R2 has three IS-IS adjacencies and six LSPs

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Question # 75

Which of the following statements concerning OSPFv3 is false?

A.

MD5 Authentication is not supported.

B.

Router LSAs do not carry IPv6 prefix information

C.

NSSA is not supported in OSPFv3.

D.

OSPFv3 uses a 32-bit router ID.

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Question # 76

What is the common usage of the MPLS EXP bits?

A.

Each implementation can use them as they see fit.

B.

They are used to carry the Ethertype value.

C.

They are used to carry the TTL value.

D.

They are used to carry QoS classification.

E.

They are used to carry fragmentation flag information

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Question # 77

The solicited node address for the destination node address of 2001:DB8::30A:216 4DFF:FE14:6CAE is:

A.

2001::FF:FE:14:6CAE

B.

2001::1:FF:14:6CAE

C.

FF02.DB8::30A:216:4DFF:FE14.6CAE

D.

FF02::1:FF14:6CAE

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Question # 78

Which of the following statements is true of an established LDP session?

A.

It uses a UDP connection with an arbitrary port number.

B.

It uses a UDP connection with well known port number 646.

C.

It uses a TCP connection with an arbitrary port number.

D.

It uses a TCP connection with well known port number 646.

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Question # 79

Which of the following statements are true? Choose two answers.

A.

Route redistribution is only needed if Internet access is a requirement.

B.

Route filtering is the process of attaching data path filters to router interfaces.

C.

Route filtering involves deciding whether to permit or deny certain routing updates from being accepted into, or distributed out of, the route-selection process.

D.

Redistribution is needed for exchanging routes from one routing protocol to another.

E.

OSPF routers that are redistributing routes must be configured as ABRs.

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Question # 80

Which command can be used to verify the LDP settings for label distribution and retention?

A.

show router ldp default

B.

show router ldp parameters

C.

show router ldp settings

D.

show router mpls settings

E.

show router mpls label-options

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Question # 81

Click on the exhibit.

Examine the physical topology of the IS-IS network, the metrics of the links and the levels of the routers. All routers have a system address included in IS-IS.

Which of the following describes the route that router R4 will use to reach the system address of router R6?

A.

Router R4 will have a route to router R6's system address with router R2 as the next-hop.

B.

Router R4 will have a default route with router R2 as the next-hop.

C.

Router R4 will have a default route with router R3 as the next-hop.

D.

Router R4 will not have a route to router R6's system address, nor will it have a default route.

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Question # 82

Click on the exhibit button below.

LSP "toR8-5" requests fast reroute protection on the primary loose path. What could be done to remove the Failure Code shown?

A.

CSPF must be enabled at head-end on fast reroute protected loose path LSPs

B.

Fast reroute must first be enabled on the downstream routers.

C.

CSPF must be enabled on all downstream loose hop routers.

D.

Global revertive path optimization must be enabled so the path will be re-optimized around a failed node.

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Question # 83

In MPLS, at which device are packets assigned to a FEC?

A.

LSR

B.

LER

C.

eLER

D.

iLER

E.

CE

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Question # 84

Which of the following are characteristics of an LSP? (Choose two)

A.

It is unidirectional.

B.

It is bidirectional.

C.

It must always have a secondary path.

D.

It provides a specific tunnel for a FEC through the network.

E.

It always follows the IGP best path.

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Question # 85

Click on the exhibit button below.

Which fields in this output uniquely identify the RSVP session belonging to a single LSP? (Choose three)

A.

Tunnel ID

B.

Name

C.

LSP ID

D.

To

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Question # 86

What is the replacement for ARP in IPv6?

A.

The use of Broadcast messages in combination with Neighbor Advertisement messages.

B.

The use of Anycast addresses in combination with Neighbor Advertisement messages.

C.

The use of Solicited-node multicast addresses in combination with Neighbor Advertisement messages.

D.

The use of Anycast addresses in combination with Link-Local Advertisement messages.

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Question # 87

How does MPLS-TE overcome the issue of IP hyper-aggregation?

A.

By enabling the creation of LSPs across alternate links to balance the network traffic.

B.

By eliminating the requirement for core IP routing.

C.

By not allowing more than one LSP to use a particular path.

D.

By defining multiple LSPs across a network and implementing an IGP load balancing algorithm across them.

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Question # 88

Which part of the NSAP address is used to indicate to the end system that a packet is to be processed by the router itself?

A.

AFI

B.

IDI

C.

HO-DSP

D.

NSEL

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Question # 89

An OSPF backbone area contains Type 5 LSAs. If an attached area receives only Summary LSAs from the backbone area, what type of area is the attached area?

A.

Normal

B.

Stub

C.

Totally stubby

D.

Totally NSSA

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Question # 90

When IS-IS is electing 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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Question # 91

Which of the following statements regarding LDP-over-RSVP are true? (Choose two)

A.

Targeted sessions must exist between all routers in the tunnel's path.

B.

Each LDP interface must be configured to support LDP tunneling.

C.

LDP prefixes resolve to an RSVP LSP, rather than to a physical egress interface.

D.

RSVP LSPs must exist between each PE-ABR pair, or ABR-ABR pair in each area.

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Question # 92

How can a router ID be created on an Alcatel-Lucent 7750 SR router? Choose three answers

A.

From the least significant 32 bits of the chassis MAC address.

B.

From the most significant 32 bits of the chassis MAC address.

C.

From the loopback IP address.

D.

By using the command "config router router-id X.X.X.X"

E.

From the system IP address.

F.

From the highest interface IP address.

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Question # 93

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 # 94

Which of the following describes what happens when facility backup fast reroute is enabled for a LSP? Choose three answers.

A.

Each PLR will signal a bypass tunnel that avoids the next-hop node or link.

B.

When a failure occurs, the PLR will push an additional label onto the label stack and start forwarding traffic onto its bypass tunnel.

C.

The ingress router will include a RRO object in the path message to indicate the routers that should be PLRs and MPs along the protected path.

D.

The ingress router will set the local protection desired flag in the session attribute object of the path message to inform all routers along the protected LSP path to establish bypass tunnels.

E.

When the bypass tunnel is in use, the MP will include the RRO object in its PathErr message, with the local protection in use flag set to notify the ingress router that it is using the bypass tunnel.

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Question # 95

Click on the exhibit button below.

Consider the output shown; what table is displayed?

A.

RIB

B.

FIB

C.

LIB

D.

LFIB

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Question # 96

All services mapped to an SDP use the same transport encapsulation type (either GRE or MPLS)

A.

TRUE

B.

FALSE

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Question # 97

A network technician needs to set up a local mirror to replicate traffic for examination with a protocol analyzer. The analyzer is on port 1/1/4 of his service router. Which of the following configuration steps is required?

A.

A mirror source listing port 1/1/4.

B.

A mirror destination listing port 1/1/4.

C.

A remote source command indicating the IP address of the service router he is configuring a local mirror on.

D.

Verification that his IP/MPLS infrastructure is in place

E.

None of the above.

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Question # 98

What happens by default on an Alcatel-Lucent 7750 SR when a null encapsulated SAP receives a frame with a VLAN tag?

A.

The original VLAN tag is removed.

B.

The original VLAN tag is kept.

C.

The VLAN tag is replaced by a provider tag.

D.

The VLAN tag is kept and a provider tag is added.

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Question # 99

Click the exhibit.

The operator at PE1 wants to analyze the traffic between PE2 and CE4. On an Alcatel-Lucent 7750 SR, which of the following is required as part of the configuration?

A.

PE2 needs a mirror source with the remote source specified.

B.

PE1 needs a mirror destination with the remote source specified.

C.

PE1 needs a mirror source with the remote source specified.

D.

PE1 and PE2 need a mirror source specified.

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Question # 100

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 # 101

A CE is connected to an IES interface. Which of the following is TRUE?

A.

The CE must be an IGP peer of the IES.

B.

The CE must be on the same subnet as the IES.

C.

The CE must use an E-pipe to connect to the IES.

D.

The CE must fragment any frames that are too large for the IES.

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Question # 102

Which of the following about IES is TRUE?

A.

An IES requires a spoke SDP.

B.

A virtual route table must be configured for an IES service.

C.

An IES service must use static routes to communicate with customer networks.

D.

An IES must have at least one SAP defined.

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Question # 103

Which of the following SAPs will toward tagged frames but NOT untagged frames?

A.

sap 1/1/1

B.

sap 1/1/1:*

C.

sap 1/1/1:*.0

D.

sap 1/1/1:0

E.

None of the above.

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Question # 104

What is the minimum Ethernet physical network MTU required for a Layer 2 service on an MPLS encapsulated SDP with a service MTU of 1500?

A.

1500

B.

1508

C.

1514

D.

1522

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Question # 105

Which of the following about the Isp-ping command on the Alcatel-Lucent 7750 SR is FALSE?

A.

An echo request is sent based on the LSP's label stack.

B.

Echo reply packets may not take the same path as the LSP.

C.

The IP destination address is used to initiate echo requests,

D.

The test fails if the LSP is not operationally up.

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Question # 106

Click the exhibit.

PE1 and PE2 are Alcatel-Lucent 7750 SRs. Which of the following is the missing configuration required on PE2 to complete the mirror?

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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Question # 107

Which of the following about VPLS MAC learning is FALSE?

A.

The PE routers of the service are responsible for learning MAC addresses.

B.

Flooding ensures that all PEs in a fully-meshed VPLS will learn the source address of all traffic.

C.

MAC learning reduces flooding of frames with previously learned addresses.

D.

Multiple VPLSes on the same PE share the same MAC FDB.

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Question # 108

A VPLS has a service MTU of 1600. To create an IES spoke termination to the VPLS, what ip-mtu value must be used for the IES?

A.

1586

B.

1596

C.

1600

D.

1614

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Question # 109

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 # 110

Which of the following about VPRN route targets is FALSE?

A.

Route targets are carried in MP-BGP updates.

B.

Route targets identify the VRF that a VPN-IFV4 prefix is associated with.

C.

Route targets are communicated between PEs that are part of a specific VPRN.

D.

Route targets identify the egress SAP of a service towards a CE.

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Question # 111

Which of the following about VPRN VRF tables is FALSE?

A.

Each VRF table contains routes for a single VPRN.

B.

Route targets are used to determine if a prefix belongs to a VRF.

C.

Routes in the VRF table are advertised to the core routers.

D.

VPN labels identify which VRF table should be used for a packet.

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Question # 112

Which of the following SAP encapsulations does NOT support multiple services on a port?

A.

Dot1q

B.

Null

C.

QinQ

D.

ATM

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Question # 113

Which of the following about 6VPE is FALSE?

A.

To advertise VPN-IPv4 and VPN-IFV6 routes, two MP-BGP sessions are required.

B.

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

C.

MP-BGP is used to advertise IPv6 prefixes and the associated VPRN labels.

D.

The provider core routers are IPv6-unaware.

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Question # 114

Which of the following is NOT a benefit of "Hub and Spoke'' VPLS deployments?

A.

They reduce the number of SDPs that need to be configured.

B.

They can be used to work around physical topologies that prevent a fully meshed deployment.

C.

They prevent loops that can be introduced by mesh deployments.

D.

They can simplify the implementation of security policy enforcement and packet inspection.

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Question # 115

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

A.

Tunnel Label

B.

VC Label

C.

Operational Control Word

D.

UNI

E.

NNI

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Question # 116

What is the best approach of making MTUs match between a VPLS and a spoke IES in order to bring up the service?

A.

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

B.

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

C.

Change the MTU of the SDP attached to the VPLS to match the service MTU of the VPLS.

D.

Set the DNF flag on the IES service.

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Question # 117

Which service type would be used to provide a bi-directional Layer 2 connection of TDM circuits over an IP/MPLS network?

A.

A-pipe

B.

E-pipe

C.

I-pipe

D.

F-pipe

E.

C-pipe

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Question # 118

Which of the following statements is FALSE regarding 6VPE?

A.

6VPE is a tunneling technology that makes use of MPLS tunnels to transport IPv6 information over an IPv4 MPLS infrastructure.

B.

Customers connected to 6VPE could run native IPv6 or IPv4.

C.

On the PE router, the next hop for a VPN IPv6 address is an IPv6 address, regardless of the nature of the network between the PEs.

D.

6VPE requires an IPv6-aware MPLS core.

E.

Both C and D are false.

F.

All of the above statements are true.

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Question # 119

Click the exhibit.

The output is from PE router R4 about VPRN service 100. How many prefixes have been learned from the MP-BGP protocol?

A.

0

B.

2

C.

3

D.

6

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Question # 120

Which of the following best describes a MAC FDB used by a VPLS service?

A.

A VPLS service does not use a MAC FDB.

B.

A single MAC FDB is shared by all VPLS services on a PE.

C.

A separate MAC FDB is used on the PE for each VPLS service.

D.

Each VPLS service uses a separate MAC FDBs for unicast and multicast traffic.

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Question # 121

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 # 122

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

A.

Route distinguishes are contained in VPN-IPv4 prefixes.

B.

Route distinguishes allow the same IP prefix to be used for more than one destination in a single VPRN.

C.

Route distinguishes allow MP-BGP to manage multiple routes for the same IP prefix.

D.

Route distinguishes are only used by the PE routes.

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Question # 123

Which one of the following commands on an Alcatel-Lucent 7750 SR can take a FEC as a parameter to verify if a packet for that FEC reaches the appropriate LER?

A.

ping

B.

sdp-ping

C.

svc-ping

D.

Isp-ping

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Question # 124

Which of the following about the label stack of a VPRN is FALSE?

A.

The service label is swapped for a transport label during transport.

B.

The transport label is used to forward packets between PEs.

C.

The service label is used to identify which VPRN a packet belongs to.

D.

Labels are initially added at the ingress PE.

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Question # 125

Which of the following about configuring a distributed E-pipe service is TRUE?

A.

The VC ID on the mesh SDP must be explicitly configured.

B.

The VC ID on the spoke SDP must be explicitly configured.

C.

The VC ID on the mesh SDP does not have to be explicitly configured and it will use the service id.

D.

The VC ID on the spoke SDP does not have to be explicitly configured and it will use the service id.

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Question # 126

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 # 127

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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