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What is the maximum number of VLANs supported on a traditional Layer 2 switch?

A.

4094

B.

8190

C.

32768

D.

131071

Click on the exhibit below.

A new router named PE-D is to be directly connected to PE-C and is required to be added to the existing VPLS 300. The design requires the least amount of signaling, the least amount of configuration changes for existing sites and the new site has to have access to all existing sites. How should the new site be added to VPLS 300?

A.

Configure a mesh-sdp between all existing PE routers and the new PE router

B.

Configure a mesh-sdp between PE-C and PE-D

C.

Configure a spoke-sdp between PE-C and PE-D.

D.

It is not possible to meet the design requirements.

During the process of troubleshooting a VPLS problem the "oam mac-purge" command with "register" option was used to purge a MAC address from the FDB. Which of the following statements is true?

A.

Relearning of the MAC address that was purged can only be done once customer traffic resumes.

B.

Relearning of the MAC address that was purged can only be done with the "oam mac-populate" command.

C.

Customer traffic destined to the MAC address that was purged will be dropped until the MAC address is relearned with the "oam mac-populate" command.

D.

Relearning of the MAC address that was purged can only be done with the "oam mac-register" command.

Click on the exhibit below.

Assume PE-B expects avian tag as part of the RFC 4762 (Martini) encapsulation. How must PE-A be configured?

A.

The port that the SAP belongs to must have the correct ether type configured.

B.

The SAP must be configured with the right VLAN tag.

C.

The SDP VC type must be configured as type VLAN and the correct vlan-vc-tag must be specified.

D.

All of the above.

What action will be taken when an MPLS router receives a frame with a label that does not exist in the LFIB?

A.

The frame will be flooded.

B.

The frame will be discarded.

C.

The frame will be fragmented.

Click on the exhibit below.

Study the network diagram. Which of the following configurations is correct for user VPLS 100 on PE4?

A.

Option A

B.

Option B

C.

Option B

D.

Option C

E.

Option E

Click on the exhibit below.

Given the following configuration, which service type will VPLS 1 and VPLS 100 be displayed as with the "show service service-using" command?

A.

VPLS 1 will be displayed as mVPLS and VPLS 100 will be displayed as VPLS.

B.

VPLS 1 will be displayed as mVPLS and VPLS 100 will be displayed as uVPLS

C.

VPLS 1 will be displayed as VPLS and VPLS 100 will be displayed as VPLS.

D.

VPLS 1 will displayed VPLS and VPLS 100 will be displayed as uVPLS.

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

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.

Fill in the blank for this next sentence. Flooded traffic received on any ____________ in the service is replicated to other spoke SDPs and SAPs and not transmitted on any mesh SDPs.

A.

Spoke SDP

B.

Mesh SDP

C.

Either (a) or (b) will make this sentence true.

D.

Neither (a) nor (b) will make this sentence true.

Click on the exhibit below.

Assume PE-1 has a mesh-sdp configured to every PE node in both Metro networks. What could be done to prevent the bandwidth replication between Metro 1 and Metro 2?

A.

PE-1 must be configured with mesh-SDPs to every node receiving the multicast traffic. There is no way to reduce the replication or bandwidth.

B.

PE nodes in Metro 1 could be configured with mesh-SDPs. PE nodes in Metro 2 would be configured with mesh-SDPs. However, the connection between Metro networks (PE-2 to PE-6) can be configured with a spoke-sdp. This would reduce the replication and bandwidth used on the link between Metro networks. This also reduces the replication required by PE-1.

C.

PE-1 can be configured with spoke-SDPs to every PE node in both Metro networks. This will reduce the bandwidth and replication within the network.

D.

PE nodes in Metro 1 could be configured with spoke-SDPs. PE nodes in Metro 2 would be configured with spoke-SDPs. However, the connection between Metro networks (PE-2 to PE-6) can be configured with a mesh-sdp. This would reduce the replication and bandwidth used on the link between Metro networks. This also reduces the replication required by PE-1.

MC-LAG provides link and node protection from an MDU to 3 or more PE devices.

A.

TRUE

B.

FALSE

Click on the exhibit below.

Which SDP on R3 will MAC addresses be associated with for devices behind R2?

A.

It depends if traffic is received via R4 or R1 from devices behind R2.

B.

The devices cannot communicate based on the configuration in the diagram so there will be no mac address association.

C.

Devices behind R2 will be associated with the sdp between R3 and R1.

D.

Devices behind R2 will be associated with the sdp between R3 and R4.

Click on the exhibit below.

Which ports will become root ports? (Choose 3)

A.

Bridge B 1/1/3

B.

Bridge B 1/1/2

C.

Bridge C 1/1/2

D.

Bridge C 2/1/1

E.

Bridge D 1/1/1

F.

Bridge D 1/1/3

G.

Bridge E 1/1/1

If the max remote-age timer of a B-VPLS is reached, what happens to the remotely learned MAC addresses in the l-VPLS service?

A.

There is no effect. The MAC addresses for the l-VPLS age out independently of the aging of B-VPLS addresses.

B.

The MAC addresses for the l-VPLS will age out immediately following the remote-age out of the backbone-macs of the B-VPLS.

C.

By default, the remote-age timer of the B-VPLS is configured to 0 and addresses do not age out. The l-VPLS uses its own timer.

D.

The same timer is used for B-VPLS and l-VPLS addresses on the node.