Question 1

The operation of a VPLS can be best described by which of the following statements?

AA frame should be sent to the PE that connects to the target site whenever possible.

BA frame should be flooded as little as possible.

CCustomer frames should be switched based on the destination MAC address.

DAll of the above.

EOnly (a) and (b) are true.

Answer : D

Question 2

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?

APE-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.

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

CPE-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'.

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

Answer : A

Question 3

Which of the following needs to be considered when designing Ethernet networks with redundancy?

AProcessing the TTL takes extra time.

BMAC learning rate is doubled.

CFDB size is doubled.

DRequires a protocol to remove loops.

Answer : D

Question 4

An MC-LAG is configured with default parameters. When a failed interface recovers, the active link reverts to the restored interface.

ATRUE

BFALSE

Answer : B

Question 5

Which of the following is a true statement?

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

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

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

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