4A0-104 Premium Exam Questions

Nokia Services Architecture Questions and Answers

Question 21

By default, what does an Alcatel-Lucent 7750 SR do to support VPLS services for different customers?

Dedicates a separate port for each customer.

Performs ARP look-ups for each service.

Maintains a different IP routing table for each service.

Maintains a different MAC Forwarding Database for each service.

Question 22

A SAP configured in the form of 1/1/1:0/32 would be used for which type of VPWS?

A-pipe

C-pipe

E-pipe

F-pipe

Question 23

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

A VPLS service does not use an FDB.

The router reads the destination MAC address of packets passing through the service.

The router reads the source MAC address of packets passing through the service.

The router uses reverse ARP (RARP) to resolve the MAC addresses for unknown destinations.

The router is programmed with MAC addresses by the network administrator.

Question 24

What is the best approach of making MTUs match between a VPLS and a spoke IES in order to bring up the service?

Change the service MTU of the VPLS to match the IES.

Set the ip-mtu of the IES service to match the service MTU of the VPLS service.

Change the MTU of the SDP attached to the VPLS to match the service MTU of the VPLS.

Set the DNF flag on the IES service.