Question 1

Proxy-ARP/ND is operational for a VPLS. Which of the following statements is FALSE?

Options :

A : The PE has proxy-ARP and dynamic-populate enabled for the VPLS.

B : The proxy-ARP table is populated by snooping IP packets received from remote PEs.

C : When the PE learns a local host IP address, it adds an entry into its proxy-ARP table.

D : The PE advertises a MAC/IP route that includes the MAC and IP address of a local host.

Answer: C

Question 2

Based upon the exhibit, which of the following statements is FALSE? 4-A0-115-page31-image25

Options :

A : PEI populates this information into the local VPLS FDB.

B : Neighbors 10.10.10.2 and 10.10.10.3 have proxy-ARP enabled for the VPLS.

C : Neighbors 10.10.10.2 and 10.10.10.3 have a service that uses a network identifier of 10.

D : PEI uses VXLAN tunnels to reach neighbors 10.10.10.2 and 10.10.10.3.

Answer: D

Question 3

Based upon the exhibit 4-A0-115-page31-image3 which of the following statements about the forwarding of BUM traffic is FALSE?

Options :

A : PE3 replicates the traffic and sends it to all PES in its VPLS I flooding list.

B : PE3 adds an ESI label to packets forwarded to PEI because PEI is connected to the same Ethernet segment.

C : PEI forwards the traffic received from PE3 to CEI, and CEI discards it based upon the ESI label.

D : PE2 decapsulates the packets received from PE3 and forwards the frames to CE2.

Answer: B

Question 4

Examine the exhibit. 4-A0-115-page31-image9 Which of the following statements about the operation of VPLS 20 is TRUE?

Options :

A : The flooding list maintained by PEI for VPLS 20 contains three entries: PE2, PE3, and PE4.

B : PE3 advertises an IMET route to PEI when its VPLS 20-s mesh-SDP becomes operationally UP.

C : PE3 signals a service label to PE4 when its VPLS 20 is enabled and is bound to an operational SDP

D : PEI advertises a MAC route for MAC-OI when its VPLS 2(Ys SAP becomes operationally UP.

Answer: D

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