Question 1

Click on the exhibit below. 4-A0-105-page64-image8 Based on the output below which of the following statements is true? (Choose 2)

Options :

A : VPLS1500 is a user VPLS

B : VPLS 1500 is management VPLS.

C : Spanning tree BPDUs for the management VPLS are tagged.

D : Spanning tree BPDUs for the management VPLS are untagged.

Answer: A,D

Question 2

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

Options :

A : TRUE

B : FALSE

Answer: B

Question 3

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

Options :

A : 4094

B : 8190

C : 32768

D : 131071

Answer: A

Question 4

Click on the exhibit below. 4-A0-105-page64-image17 In the following diagram, traffic ingressing on SAP 1/2/3:1 will be passed to the layer-2 DPI device for inspection based on a filter policy applied to the ingress of the SAP. What feature should be enabled on SAP 1/2/1:100 and SAP 1/2/2:100 to ensure that incorrect information is not populated in the FDB of VPLS 1?

Options :

A : Learning should be disabled on both SAPs connected to the DPI device to prevent FDB instability

B : A MAC filter should be applied to both SAPs connected to the DPI to limit MAC learning on the port

C : An IP filter should be applied to both SAPs connected to the DPI to prevent FDB instability

D : The SAPs connected to the DPI should be configured with the "discard-unknown" feature to limit MAC learning on the port

Answer: A

Question 5

When ports configured with IEEE 802.3ah EFM are operationally down, what must the device do before declaring the ports are up?

Options :

A : The device will try to force the other side up using the evaluating flag in the PDU

B : The device will wait for the trasmit-interval of 5 before trying to rediscover the neighbor.

C : The device will detect the port change and will wait for normal operation mode.

D : The device will detect the port change and revert to discovery mode.

Answer: D

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