ALCATEL LUCENT - Services Architecture Set 4

1.

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?

3 4 6 12

2.

Which of the following best describes how a MAC FDB is populated in a VPLS service?

A VPLS service does not use a MAC FDB. The router reads the destination MAC address of frames passing through the service. The router reads the source MAC address of frames passing through the service. The router uses reverse ARP (RARP) to resolve the MAC addresses for unknown destinations.

3.

Which of the following best describes the flooding of traffic on a PE when unknown traffic is received on a SAP of a VPLS?

Traffic is flooded to all SAPs in the service. Traffic is flooded to all SAPs and spoke SDPs in the service. Traffic is flooded to all SAPs and mesh SDPs in the service. Traffic is flooded to all SAPs, spoke SDPs, and mesh SDPs in the service.

4.

How many service labels must be signaled to bring up a fully-meshed VPLS among five PE routers?

1 5 10 20

5.

Which one of the following items CANNOT be used as a mirror source on an Alcatel-Lucent 7750 SR?

IP filter MAC filter Egress label Ingress label

6.

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?

1500 1508 1514 1522

7.

On an Alcatel-Lucent 7750 SR, the OAM command 'svc-ping' can be used with options bcal-sdp' and 'remote-sdp'. Which of the following is TRUE?

iocal-sdp' and 'remote-sdp' indicate that all services using these SDPs are pinged. 'Iocal-sdp' and remote-sdp' indicate that pings are initiated from both local and remote routers. Both 'Iocal-sdp' and 'remote-sdp' take parameters to specify which SDPs are used for the test. 'Iocal-sdp' indicates that the ping is sent in-band, and remote-sdp' indicates the return ping is in-band.

8.

Which of the following about the VPRN data plane is TRUE?

A packet receives a service label and a transport label at the ingress PE. A packet has its service label swapped at each P router. The egress PE pops the service label, and the transport label is forwarded. The service label is popped by the remote CE.

9.

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

Route distinguishes are used to ensure that VPRN IP prefixes are globally unique. Route distinguishes are appended to IPv4 prefixes to form IPv6 prefixes. Route distinguishes are used to determine which routes a VPRN should import. CE routes use a route distinguisher to indicate which VPRN they are associated to.

10.

Which of the following about SDPs is TRUE?

SDP IDs must be locally unique. SDPs are specific to one service type. SDPs must use MPLS for their encapsulation. An SDP is required for a local service.

ALCATEL LUCENT - Services Architecture Set 4

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ALCATEL LUCENT - Services Architecture Set 4

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