Valentine Day Sale Limited Time 70% Discount Offer - Ends in 0d 00h 00m 00s - Coupon code: scxmas70

4A0-C02 Exam Dumps - Nokia SRA Composite Exam

Question # 4

A default network policy is applied to all router interfaces associated with network ports.

A.

TRUE

B.

FALSE

Full Access
Question # 5

On the Alcatel-Lucent 7750 SR, how many queues per FC are available for multipoint traffic within a VPLS on service ingress?

A.

64

B.

8

C.

3

D.

16

E.

1

Full Access
Question # 6

The IP ToS field consists of ________ bits, of which ________are used. The _________most significant (first) bits define precedence.

A.

8, 6, 3

B.

8, 8, 6

C.

16, 8, 4

D.

8, 6, 4

E.

24, 16, 8

Full Access
Question # 7

Which of the following protocols are used for service label signaling?

A.

Link LDP or MP-BGP

B.

Link LDP or RSVP-TE

C.

T-LDP or MP-BGP

D.

T-LDP or RSVP-TE

Full Access
Question # 8

Which of the following statements regarding buffer pool allocation are FALSE? (Choose two)

A.

Each network egress port receives its own buffer pool.

B.

Each SAP-egress port receives its own buffer pool.

C.

All SAP-ingress ports on the same MDA share a buffer pool.

D.

All the network ingress ports on the same MDA share a buffer pool.

E.

Each network ingress port on the same MDA receives its own buffer pool.

Full Access
Question # 9

Which of the following statements about a Management VPLS is FALSE?

A.

Operates in transparent mode.

B.

Carries RSTP BPDUs only.

C.

Assigns RSTP state to other VPLS services.

D.

Allows load balancing among multiple management VPLS instances.

Full Access
Question # 10

From what range are 16-bit private AS numbers selected?

A.

64496 – 64511

B.

1 – 56319

C.

64512-65534

D.

64513-65535

E.

There are no defined private AS numbers; there are only private IP addresses.

Full Access
Question # 11

Assuming that "client1" and "client2" are directly-connected networks, what is the result of executing the following BGP export policy?

A.

"client2" routes will be only tagged with communities 'East'' and "South".

B.

"client2" routes will be tagged with community "East".

C.

"client2" routes will only be tagged with community "South".

D.

"client2" routes will be rejected.

Full Access
Question # 12

An Alcatel-Lucent 7750 SR has the BGP configuration shown below. Assuming the router has established BGP sessions to routers R1 and R2, which of the following is TRUE?

A.

Both neighbors R1and R2 should be part of AS 65540.

B.

Neighbor R1should be part of AS 65550, while neighbor R2 should be part of AS 65540.

C.

Neighbor R1should be part of AS 65550, while neighbor R2 should be part of AS 65560.

D.

Both neighbors R1and R2 should be part of AS 65560.

Full Access
Question # 13

Which of the following is NOT considered an option of export policies?

A.

Advertising customer networks into BGP.

B.

Sending aggregates that summarize the AS s address space.

C.

Sending MEDs to influence ingress traffic from peers.

D.

Preventing unwanted NLRI from entering the AS.

Full Access
Question # 14

What is the default Alcatel-Lucent 7750 SR TTL of a BGP advertisement between confederation members?

A.

1

B.

32

C.

64

D.

255

Full Access
Question # 15

Which of the following are true when ports are configured with the IEEE 802.3ah Loopback Control feature? (Choose 3)

A.

The loopback control PDU instructs the remote port to enter loopback mode.

B.

Putting a port in loopback does not affect customer data flow

C.

Both ports must rediscover the OAM capabilities of each other once the port is put back into service.

D.

Both ports must still send Information PDUs to avoid going back to discovery mode.

E.

When a port is in loopback mode, service mirroring will still work if it is a mirror-source or mirror-destination.

F.

All packets, except for information PDUs, are looped back.

Full Access
Question # 16

What needs to be configured in a VPLS in order to forward customer STP BPDUs transparently?

A.

Spanning tree must be enabled within the VPLS.

B.

Spanning tree BPDUs must be untagged.

C.

Spanning tree BPDUs must be tagged.

D.

Spanning tree must be disabled within the VPLS.

Full Access
Question # 17

In a Carrier Supporting Carrier (CSC) VPRN, which of the following is NOT a benefit to the network provider?

A.

The solution scales as the number of VPNs offered by the customer carriers increases.

B.

The solution scales as the number of end-customer routes increases.

C.

There is no need to manage end-customer services.

D.

The solution scales as the number of serviced customer carriers increases.

Full Access
Question # 18

What function in IEEE 802.1 ah helps to limit the amount of MAC addresses learned in the core?

A.

I-VPLS is configured in the core of the network with an l-MAC address. This l-MAC address is the only MAC learned in the core

B.

The B-VPLS and l-VPLS are configured in the edge. The B-VPLS is configured with a Backbone MAC and is the only MAC learned in the core

C.

Each SDP is configured with a Backbone MAC to hide customer MAC addresses in the core

D.

Each SAP is associated with a common l-MAC to hide customer MAC addresses in the core

Full Access
Question # 19

A router in AS 65100 receives three routes for 138.120.0.0/16. The first route has an AS Path of 65200 65400 65300 and a local preference of 150. The second route has an AS Path of 65200 65300 and a local preference of 100. The third route has an AS path of 65600 65300 and a local preference of 200. Which route will appear in the RIB-In?

A.

Only the first route will appear in the RIB-In.

B.

Only the second route will appear in the RIB-In.

C.

Only the third route will appear in the RIB-In.

D.

All routes will appear in the RIB-In.

Full Access
Question # 20

Click the exhibit.

Router R6 is a route reflector with clients R1, R2, R4 and R5. R4 receives three routes from router R6 and is configured with ECMP 3. Given the following BGP configuration on router R4, how many primary and backup paths will be present in router R4's BGP routing table?

A.

Two primary paths and one backup path.

B.

One primary path and two backup paths.

C.

Three primary path and one backup path,

D.

Three primary paths.

Full Access
Question # 21

You are providing a customer two VPLS services in two different Metro networks. VPLS 500 has been configured in Metro 1 and VPLS 900 has been configured in Metro 2. The customer has requested that they have connectivity between the Metro Networks with their existing VPLS services. Which configuration on the PE routers linking the metro networks will allow for VPLS 500 and VPLS 900 to act as a single VPLS service? Assume default values for all VPLS parameters and SDP 999 exists between the metro networks.

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Full Access
Question # 22

What of the following is a key benefit of Active/Standby pseudowires?

A.

The MDU does not need to support MPLS.

B.

Can be used in ring networks of 4 or more nodes

C.

Does not require the use of a layer 2 loop prevention protocol such as RSTP

D.

The MDU does not have to be aware of the active/standby configuration

Full Access
Question # 23

An Alcatel-Lucent 7750 SR is configured with a local preference of 250. If it receives a BGP update with a local preference of 500, what local preference is sent to its eBGP peers?

A.

100

B.

250

C.

500

D.

None

Full Access
Question # 24

In RSTP, an alternate port is on the same switch as a designated Port.

A.

TRUE

B.

FALSE

Full Access
Question # 25

Which of the following are required for an operational mesh-sdp binding for bidirectional traffic when signaling is enabled within the SDP? (Choose 3)

A.

LDP must be enabled.

B.

RSVP must be enabled.

C.

An SDP must be configured on the far-end.

D.

Service MTU must match.

E.

SDP ID must match.

Full Access
Question # 26

Which of the following is a true statement?

A.

In a dynamic environment where MAC addresses are changing rapidly, the lower the age-time, the larger the fdb-table-size should be.

B.

In a dynamic environment where MAC addresses are changing rapidly, the higher the age-time, the larger the fdb-table-size should be.

C.

In a dynamic environment where MAC addresses are changing rapidly, the higher the age-time, the smaller the fdb-table-size should be.

D.

There is no relationship between the age-time and the fdb-table-size.

Full Access
Question # 27

What is the default service-mtu for a VPLS service?

A.

1500

B.

1514

C.

1518

D.

It depends on the access port MTU.

E.

It depends on the network port MTU.

Full Access
Question # 28

Click the exhibit.

According to the display, a BGP loop is detected for route 192.168.1.0/27. On which router is this command executed?

A.

CE1

B.

CE2

C.

PE1

D.

PE2

Full Access
Question # 29

Which of the following is a true statement?

A.

The lower the age-time, the greater the amount of flooding

B.

The higher the age-time, the greater the amount of flooding.

C.

The lower the age-time, the lower the amount of flooding.

D.

There is no relationship between the age-time and the amount of flooding.

Full Access
Question # 30

Assuming that "client1" and "client2" are directly-connected networks, what is the result of executing the following BGP export policy?

A.

"client1" routes will be tagged with communities "North" and "West".

B.

"client1" routes will be tagged with community "West".

C.

"client1" routes will be tagged with community "North".

D.

"client1" routes will be rejected.

Full Access
Question # 31

Click the exhibit.

Router R1 is a route reflector with clients R2, R5 and R6. Prefixes advertised by router R5 have a local preference of 200. Router R3 advertises the prefix 192.168.1.0/27 to routers R5 and R6.

Assuming that none of the routers in AS 65540 is configured with "advertise-external", what is the expected output of "show router bgp routes" on router R2?

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Full Access
Question # 32

Which of the following AS Paths will match the regular expression "65100."?

A.

"65100"

B.

"65100 65200''

C.

"65200 65100"

D.

"65100 65250 65200"

Full Access
Question # 33

Click the exhibit.

Router R2 receives a route to 192.168.4.0/29 from router R4 and sets the local preference to 110.

Router R1 receives the route to 192.168.4.0/29 from router R3, and sets the local preference to

80. There is a full iBGP mesh in AS 65540, but router R5 only has a physical connection to router R1. Which path does traffic destined to 192.168.4.0/29 take from router R5?

A.

R5-R2-R4-R8

B.

R5-R1-R3-R4-R8

C.

R5-R1-R2-R4-R8

D.

R5-R1-R3-R7-R8

Full Access
Question # 34

Which of the following statements regarding BGP Fast Reroute is FALSE?

A.

BGP Fast Reroute is triggered by IGP events.

B.

The backup path is pre-computed and installed in the FIB.

C.

BGP Fast Reroute is independent of number of affected prefixes.

D.

BGP Fast Reroute uses the optimal path to the destination.

Full Access
Question # 35

Click on the exhibit below.

Management VPLS 100 has been created for redundant spoke-SDP connections. User VPLSs 10 and 20 are using the same spoke-SDPs that are being managed by VPLS 100. Unexpected behavior has been reported. Based on the following output, what is the most likely reason for the unexpected behavior?

A.

VPLS 100 was not actually configured as a management VPLS.

B.

VPLS 10 and VPLS 20 are not actually configured as a user VPLS.

C.

VPLS 10 and VPLS 20 are not using the same spoke-sdps that the management VPLS is using.

D.

Based on the output there is now way of telling if there is a problem with the configuration.

Full Access
Question # 36

How does PBB forward broadcast, unknown-unicast and multicast traffic from a B-VPLS to an l-VPLS?

A.

The receiving PE checks the l-TAG in the l-SID to determine if there is a local l-VPLS on the node.

B.

The receiving PE checks the l-SID in the l-TAG to determine if there is a local l-VPLS on the node.

C.

The receiving PE checks the service label in the mpls header to determine if there is a local l-VPLS on the node.

D.

The receiving PE checks the multicast B-DA to see if an l-SID has been mapped to the B-DA that matches a local l-VPLS on the node.

Full Access
Question # 37

A BGP session is in OpenConfirm state. Which of the following messages must be received to transition to Established state?

A.

Update

B.

Open

C.

Notification

D.

Keepalive

Full Access
Question # 38

An Alcatel-Lucent 7750 SR is configured with a policy to export directly-connected networks to BGP. Which of the following commands verifies that the export was successful?

A.

show router route-table

B.

show router bgp routes

C.

show router bgp routes hunt

D.

show router bgp neighbor received-routes

Full Access
Question # 39

Click the exhibit.

If the displayed command is executed, what is the correct value of AS-Path in the BGP route 172.12.0.0/16 advertised by PE2?

A.

64491 {64492 64493}

B.

64491

C.

64492 64493 64491

D.

{64492 64493)64491

Full Access
Question # 40

Why should you configure send-flush-on failure on your PE routers when using active/standby pseudowires?

A.

It flushes the local FDB speeding recovery

B.

It discards all packets in the queue and sends icmp-discad messages to the sender. The packets are re-transmitted resulting in no loss of data.

C.

On failure, the PE sends an LDP flush-all-from-me message to all PE devices in the VPLS. This speeds convergence to the new topology.

D.

It is not important to use send-flush-on-failure as Active/Standby signalling automatically converges the FDB in all VPLS instances

Full Access
Question # 41

For a Carrier Supporting Carrier (CSC) VPRN where the customer carrier is an ISP that provides Internet connectivity to its end-customers, which of the following is FALSE?

A.

Customer carrier PE routers residing in different sites must run iBGP between them to exchange customers' routes.

B.

MPLS can be used in the customer carrier network to improve scalability.

C.

The customer carrier network can be a pure IP network.

D.

A CSC VPRN is configured on the CSC-CE to forward data packets to the network provider.

Full Access
Question # 42

Click the exhibit.

The headquarter sites of VPRN 10 and VPRN 20 ate part of an extranet VPRN. Which of the following communities are included in the export policy applied to VPRN 10 on router R1?

A.

"Extranet-VPN-Blue" and "Extranet-VPN-Green"

B.

"Blue-Only"

C.

"Extranet-VPN-Blue"

D.

"Blue-Green"

Full Access
Question # 43

Click the exhibit.

For the PE hub and spoke VPRN, on which PE(s) should the VPRN service command target export target: 65100:1 import target: 65100: 2 " be configured?

A.

PE1

B.

PE2, PE3 and PE4

C.

PE1, PE2, PE3 and PE4

D.

This command is not required for the configuration of this PE hub and spoke VPRN.

Full Access
Question # 44

Click on the exhibit below.

Based on the service-mtu of this B-VPLS, what is the maximum service-mtu of any connecting I-VPLS attached to this B-VPLS?

A.

9100 bytes

B.

9104 bytes

C.

9108 bytes

D.

9118 bytes

Full Access
Question # 45

Click the exhibit.

A Carrier Supporting Carrier (CSC) VPRN is configured on an Alcatel-Lucent 7750 SR for a customer carrier who is an Internet Service Provider (ISP). Which of the following configuration steps is NOT required?

A.

Configuring iBGP sessions between PEs residing in different customer carrier sites,

B.

Configuring a policy on each CSC-CE to advertise local PE addresses to the network provider.

C.

Configuring a CSC VPRN on each CSC-PE with a SAP interface towards the attached CSC-CE.

D.

Configuring an IES service on PEL

Full Access
Question # 46

What scaling factors should a network engineer be aware of when designing VPLS networks? (Choose 3)

A.

Control plane scaling.

B.

Data plane scaling.

C.

Network touches.

D.

Route table reduction.

E.

OAM tools.

Full Access
Question # 47

Which of the following is the minimum requirement for an AS to be considered multi-homed?

A.

A single connection to a single service provider.

B.

Two connections to a single service provider.

C.

Two connections to two different service providers.

D.

Multiple connections to different service providers.

Full Access
Question # 48

Which service component in the data plane uniquely identifies a VPLS to the far end PE node?

A.

SDP id

B.

Service ID

C.

VC Label

D.

Tunnel Label

E.

Customer id

Full Access
Question # 49

After the "disable-learning" command has been executed at the VPLS level, a new client device originates a frame. What is the result?

A.

If the MAC address of this new client device does not reach the upper limit of the configured total number of MAC addresses allowed in the VPLS forwarding database, then the new MAC address will be stored.

B.

The new source MAC addresses will not be entered in the VPLS service forwarding database.

C.

New local source MAC addresses will not be entered in the VPLS service forwarding database, but new remote MAC addresses would continue to be entered.

D.

New remote source MAC addresses will not be entered in the VPLS services forwarding database, but new local MAC addresses would continue to be entered.

Full Access
Question # 50

How many designated ports are there in a spanning tree topology?

A.

The same as the number of alternate ports in the topology

B.

1 per segment

C.

The same as the number of root ports

D.

1 per switch

Full Access
Question # 51

Which OAM tool can be used to dynamically learn the MAC address of a CE device connected to a SAP within a VPLS service?

A.

oam mac-populate

B.

oam mac-ping

C.

oam mac-trace

D.

oam svc-ping

E.

oam cpe-ping

Full Access
Question # 52

Click the exhibit.

Router R1 is a route reflector with clients R2, R5 and R6. Prefixes advertised by router R5 have a local preference of 200. Router R3 advertises the prefix 192.168.1.0/27 to routers R5 and R6.

Assuming that none of the routers in AS 65540 is configured with "advertise-external", what is the expected output of "show router bgp routes" on router R5?

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Full Access
Question # 53

An Alcatel-Lucent 7750 SR is configured with an export policy to redistribute its directly-connected networks into BGP. Which of the following databases contains the routes for these networks?

A.

The routes are in the RIB-In.

B.

The routes are in the Loc-RIB.

C.

The routes are in the RIB-Out.

D.

The routes are not in any of the BGP databases.

Full Access
Question # 54

Which of the following is NOT considered an option of import policies?

A.

Preventing unwanted NLRI from entering the AS.

B.

Filtering NLRI based on AS Path or prefix-lists,

C.

Modifying the local preference of route advertisements.

D.

Setting MED values of route advertisements.

Full Access
Question # 55

Click the exhibit.

Router R1 is a route reflector with clients R2, R5 and R6. Prefixes advertised by router R5 have a local preference of 200. Router R3 advertises the prefix 192.168.1.0/27 to routers R5 and R6.

Assuming that router R6 is configured with "advertise-external", what is the expected output of "show router bgp routes" when executed on router R5?

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Full Access
Question # 56

What is the function of the Cluster_List attribute?

A.

It is used for loop detection within the same cluster.

B.

It is used for loop detection between clusters.

C.

It is used for loop detection in a confederation.

D.

It is used to identify the route reflectors within an AS.

Full Access
Question # 57

An Alcatel-Lucent 7750 SR receives two updates for the same route with local preferences 200 and 300, respectively. What local preference is sent to eBGP peers?

A.

100

B.

200

C.

300

D.

None

Full Access
Question # 58

What is the default Spanning Tree protocol used in a VPLS on the Alcatel-Lucent 7750 SR?

A.

802.1D2004

B.

802.1D 1998

C.

comp-dot1w

D.

PVST

Full Access
Question # 59

Click on the exhibit below.

How many LSPs are required in total between Metro A and Metro B if 100 hierarchical VPLS services are deployed across the two metro networks?

A.

100

B.

200

C.

1

D.

2

Full Access
Question # 60

An Alcatel-Lucent 7750 SR receives a route from an eBGP peer without a MED. What MED value is sent to iBGP peers?

A.

100

B.

250

C.

The IGP cost

D.

None

Full Access
Question # 61

Click on the exhibit below.

CE-A is on VLAN 200 and CE-B is on VLAN 300. Which of the following SAP ids can be configured on PE-A and PE-B to allow direct communication between CE-A and CE-B?

A.

PE-A will require a SAP id of "sap 1/1/1:200" and PE-B will require a SAP id of "sap 1/1/1:300.

B.

PE-A will require a SAP id of "sap 1/1/1" and PE-B will require a SAP id of "sap 1/1/1".

C.

PE-A will require a SAP id of "sap 1/1/1:0" and PE-B will require a SAP id of "sap 1/1/1:0".

D.

PE-A will require a SAP id of "sap 1/1/1:*" and PE-B will require a SAP id of "sap 1/1/1:*".

Full Access
Question # 62

In a Carrier Supporting Carrier (CSC) VPRN, which of the following is a benefit to the customer carrier?

A.

The ability to offer Internet connectivity and a variety of services over a single CSC VPRN interface.

B.

The ability to maintain its own backbone.

C.

The ability to learn system addresses of network provider PEs.

D.

There is no need to manage end-customer services.

Full Access
Question # 63

Click the exhibit.

The headquarter sites of VPRN 10 and VPRN 20 are part of an extranet VPRN. Which route targets should be exported under the VPRN 20 service on router R1?

A.

target:65100:2 and target:65100:3

B.

target:65100:1 and target:65100:2

C.

target:65100:1 and target:65100:3

D.

target:65100:1, target:65100:2 and target:65100:3

Full Access
Question # 64

When VPRN Outbound Route Filtering (ORF) is enabled, each PE sends its ORF list to its peer using which of the following BGP message types?

A.

Open

B.

Update

C.

Route Refresh

D.

Notification

Full Access
Question # 65

Click the exhibit.

AS-override is configured on PE1 to eliminate the BGP loops. What is the expected AS-Path in the VPN-IPv4 route 64496:10:192.168.2.0/27 received by PE1?

A.

64496 64497

B.

64496

C.

64497

D.

64497 64497

Full Access
Question # 66

Which of the following statements best describes the output from an Alcatel-Lucent 7750 SR shown below?

A.

The BGP session from PE to P is not operational

B.

The BGP session between PEs is operational

C.

The BGP session between PE and CE is not operational

D.

The BGP session from PE to CE is operational

E.

The BGP session between PEs is not operational

Full Access
Question # 67

In a VPRN that uses MPLS transport tunnels, which of the following statements about P devices is TRUE?

A.

P devices participate in service provider core routing.

B.

P devices are not required to be MPLS-enabled.

C.

P devices must be aware of the VPRNs.

D.

P devices must support MP-BGP.

Full Access
Question # 68

When does a router add a Route Target to a route?

A.

When the P receives the route from the PE.

B.

When the PE populates the route received from the CE into the VRF.

C.

When the PE propagates the route to the CE.

D.

When the PE exports the route from the VRF into the MP-BGP table.

Full Access
Question # 69

Choose the best answer to describe the result of the configuration of an Alcatel-Lucent 7750 SR shown below?

A.

The PE will install a maximum of 40 prefixes into the customer vrf and generate a log message when 40 routes are received

B.

The PE will install a maximum of 40 prefixes into the customer vrf, and generate a log message both when 30 and 41 routes are received

C.

The PE will install a maximum of 40 prefixes into the customer vrf, generate a log message when 10 routes are received and disable learning of new routes at 41

D.

The PE will install a maximum of 40 prefixes into the customer vrf, generate a log message when 10 routes are received and drop the connection at 41

E.

The PE will install a maximum of 40 prefixes into the customer vrf, generate a log message when 4 routes are received and disable learning of new routes at 41

Full Access
Question # 70

Which of the following statements best describes the output from an Alcatel-Lucent 7750 SR shown below?

A.

The As-Path is not present as it was removed with the s-override configuration command

B.

The As-Path is not present as it was removed with the o-as-path configuration command

C.

The As-Path is not present as a policy was configured to set it to the null value

D.

The As-Path is not present as VPN-IPv4 routes do not propagate the IPv4 As-Path BGP attribute

Full Access
Question # 71

Which of the following about scaling techniques for route reflectors is FALSE?

A.

Logical Partitioning of route reflectors works best when PEs are partitioned to support different VPRNs.

B.

Logical Partitioning of route reflectors is simple and scalable, but requires more hardware.

C.

Filtering at route reflectors requires either inbound filtering at the route reflector or outbound filtering at the PE routers.

D.

Filtering at route reflectors allows the route reflector to filter routes received from PEs and only accept routes with a certain route distinguisher.

Full Access
Question # 72

When configuring a VPRN service on an Alcatel-Lucent 7750 SR, where should the following policy be applied?

A.

On the CE under the RIP context

B.

On the PE under the BGP context

C.

On the PE under the RIP context

D.

On the CE under the BGP context

E.

This policy is not required

Full Access
Question # 73

Click the exhibit.

For the Inter-AS model B VPRN, which of the following about the inter-as-label output on ASBR1 is TRUE?

A.

ASBR1 includes label 131069 in the route update sent to ASBR2.

B.

ASBR1 includes label 131068 in the route update sent to ASBR2.

C.

ASBR1 includes label 131068 in the route update sent to PEL

D.

ASBR1 includes labels 131068 and 131069 in the route update sent to ASBR2.

Full Access
Question # 74

What are the two primary problems the service provider must consider when providing traditional Layer 3 VPN services using only a single common routing table in the provider core? (Choose two)

A.

Memory exhaustion in the provider core

B.

Route leaking between the customer networks

C.

CPU utilization for route processing

D.

Unwanted packet forwarding between customer networks

Full Access
Question # 75

Click the exhibit.

PE3 learns Internet routes via its VRF interface to the Internet peering router and stores them in its Internet VRF. CE1 is connected to the Red VPN and requires Internet access via its Red VRF interface. Which of the following statements do not fulfill this requirement?

A.

PE1 advertises the Red VPN routes and a default route to PE3.

B.

The Internet VRF on PE3 imports the Red VPN routes advertised by PE1.

C.

PE1 imports all Internet routes and advertises them to CE1 via the Red VRF.

D.

PE3 advertises a default route from its Internet VRF instead of advertising all Internet routes.

Full Access
Question # 76

Click the exhibit.

Which of the following about the inter-AS model A VPRN configuration on ASBR1 is TRUE?

A.

The route-distinguisher value must be 64496:10 for successful VPRN operation.

B.

An export policy is not required for successful VPRN operation.

C.

The "family vpn-ipv4" command is required under the BGP configuration for successful VPRN operation.

D.

The neighbor address should be 10.10.10.4 under the BGP configuration for successful VPRN operation.

E.

The VPRN configuration on ASBR1 is correct.

Full Access
Question # 77

Click on the exhibit below.

In the diagram below, SAP 1 is put into the blocking state as a result of the spanning tree protocol. What will occur in the VPLS instance if SAP 2 goes down and SAP 1 transitions to the forwarding state? Select the most accurate statement.

A.

A Spanning Tree BPDU will be sent across the mesh flushing the FDB table in all devices participating in the VPLS instance.

B.

Stale information will be used within the VPLS instance to forward traffic until the FDB ages out.

C.

An LDP control message will be sent to all devices in the mesh participating in the VPLS instance. Only MAC addresses associated with the PE that the failure occurred on will be flushed.

D.

An LDP control message will be sent to all devices in the mesh participating in the VPLS instance. The entire FDB in the VPLS instance will be flushed.

Full Access
Question # 78

When deploying Active/Standby pseudowires, the CE does not require any special configuration

A.

TRUE

B.

FALSE

Full Access
Question # 79

Click the exhibit.

A Carrier Supporting Carrier (CSC) VPRN is configured on an Alcatel-Lucent 7750 SR for a customer carrier who is an Internet Service Provider (ISP). Which of the following configuration steps is NOT required?

A.

Configuring iBGP sessions between PEs residing in different customer carrier sites.

B.

Configuring a policy on each CSC-CE to advertise local PE addresses to the network provider.

C.

Configuring a CSC VPRN on each CSC-PE with a SAP interface towards the attached CSC-CE.

D.

Configuring an IES service on PEL

Full Access
Question # 80

Choose the answer that best completes the following sentence. The CE device is typically configured with _________________.

A.

A single routing protocol for exchanging routes with both the internal customer routers and with the PE

B.

MP-BGP to exchange routes with the PE.

C.

MPLS and a routing protocol for the exchange of labels and routes with the PE

D.

MPLS for exchanging labels with other CE devices

E.

A routing protocol for exchanging routes with the internal customer routers and a routing protocol for exchanging routes with the PE

Full Access
Question # 81

Which of the following are possible criteria for classifying packets at the SAP-ingress? (Choose three)

A.

The EXP bits in the MPLS header.

B.

The packet's source and destination IP addresses.

C.

The service ID of the service to which the SAP belongs.

D.

The dot1p bits in the frame header.

E.

The packet's Ethertype.

Full Access
Question # 82

Which of the following QoS functions does the slope-policy perform?

A.

Classification

B.

Marking

C.

Queuing

D.

Congestion management

E.

Scheduling

Full Access
Question # 83

Which of the following are examples of metrics for QoS?

A.

Signal degradation, attenuation, line loss

B.

Latency, FIFO, WRED

C.

Delay, jitter, packet loss

D.

SNR, queue depth, latency

E.

Attenuation, dispersion, latency

Full Access
Question # 84

In a BGP VPLS, which of the following BGP attributes is used to carry the L2 MTU?

A.

The NRLI

B.

The AFI

C.

The SAFI

D.

The extended community

Full Access
Question # 85

Traffic assigned to forwarding classes is placed into queues, while the contents of the queues are serviced in a controlled manner using____________.

A.

WRED

B.

shapers

C.

schedulers

D.

markers

E.

weighted fair queues (WFQ)

Full Access
Question # 86

Click the exhibit button below. Given the scheduler-policy (below), how much bandwidth can the best-effort traffic receive (PIR and CIR) when the ingress rate of each queue is 10Mbps?

A.

PIR = 4Mbps. CIR = 1Mbps

B.

PIR = 1Mbps, CIR = 1 Mbps

C.

PIR = 10Mbps, CIR = 1Mbps

D.

PIR = 5Mbps, CIR = 1.25Mbps

E.

PIR = 1.25Mbps, CIR = 1.25Mbps

Full Access
Question # 87

Which of the following is an advantage of using shaping instead of policing?

A.

Shaping does not add latency.

B.

Shaping does not add jitter.

C.

Shaping protects downstream nodes from traffic bursts.

D.

Shaping requires less memory to buffer packets.

Full Access
Question # 88

Which of the following statements about the default scheduler in the Nokia 7750 SR is TRUE?

A.

A queue will be serviced as expedited if all of the forwarding classes mapped to it are expedited, regardless of its configured type.

B.

A queue will be serviced as best-effort if all of the forwarding classes mapped to it are best-effort, regardless of its configured type.

C.

A queue will be serviced as expedited if at least one of the forwarding classes mapped to it is expedited, regardless of its configured type.

D.

A queue will be serviced as expedited if its type is configured as expedited, regardless of the forwarding classes mapped to it.

Full Access
Question # 89

On an Alcatel-Lucent IOM 3, how is buffer memory allocated per forwarding complex?

A.

512 MB ingress, 512 MB egress

B.

256 MB ingress, 256 MB egress

C.

1 GB dynamically allocated between ingress and egress.

D.

768 MB dynamically allocated between ingress and egress.

E.

768 MB, with a minimum of 256 MB ingress and egress, and an additional 256 MB dynamically allocated.

Full Access
Question # 90

To implement Hierarchical-QoS (Multi-tiered scheduling), which of the following actions must be undertaken? (Choose three)

A.

H-QoS capabilities must be enabled globally on the router

B.

A scheduler-policy must be configured.

C.

The queues in the SAP-ingress and SAP-egress policies do not require additional configuration attributes to make use of the hierarchical schedulers.

D.

The network queue policy must be configured to make use of the scheduler-policy.

E.

The scheduler-policy must be referenced in the SAP-ingress and SAP-egress policies.

F.

The scheduler-policy must be applied on the service SAP.

Full Access
Question # 91

For what does a Layer 2 switch use the SA in the Ethernet frame?

A.

MAC learning

B.

SA filtering

C.

Routing table population

D.

Frame forwarding

Full Access
Question # 92

Which of the following entities can scheduler policies be applied to? (Choose two)

A.

Network ingress port

B.

Epipe ingress SAP

C.

ES egress SAP

D.

Ingress MDA

E.

VPRN ingress interface

F.

Shared buffer space

Full Access
Question # 93

Which of the following statements regarding egress FC and profile over-ride are TRUE? (Choose two)

A.

Packets can be classified into 16 different FCs when using priority mode queuing.

B.

This feature is available on egress SAPs within any service.

C.

MPLS EXP bits can be changed based on multi-field classification.

D.

If a Behavior Aggregate (BA) and Multi-field (MF) match occurs, only the MF override parameters will take effect.

E.

If a Behavior Aggregate (BA) and Multi-field (MF) match occurs, the BA classification can override the forwarding class while the MF classification can override the profile.

Full Access
Question # 94

Which of the following are trusted boundaries, by default? (Choose two)

A.

An IES SAP

B.

A VPLS SAP

C.

A network port

D.

AVPRN SAP

E.

An access port

Full Access
Question # 95

On the Alcatel-Lucent 7750 SR, where can network-queue policies be applied? (Choose two)

A.

On the network egress port.

B.

On the SDP.

C.

On the access ingress port.

D.

On the egress MDA.

E.

On the SAP.

F.

On the ingress MDA.

Full Access