Question 1

Which of the following statements about IP route summarization is FALSE?

Options :

A :

It divides a customer IP address pool into smaller portions, each of which is assigned to a different subnet.

B : It reduces the size of the routers' forwarding tables.

C : It improves scalability of the network.

D : It increases routing advertisement stability.

Answer: A

Question 2

Which of the following statements about a physical router interface is FALSE?

Options :

A : It is associated with a port.

B : It is used to connect to other routers or to customer hosts.

C : It can be associated with an IP address and with a prefix length.

D : It can be of type system or loopback.

Answer: D

Question 3

Which of the MPLS routers is responsible for pushing new labels for LSP A and LSP B?

Options :

A : Router R1 pushes labels for both LSP A and LSP B.

B : Router R4 pushes labels for both LSP A and LSP B.

C : Router R1 pushes labels for LSP A, while router R4 pushes labels for LSP B.

D : Router R4 pushes labels for LSP A, while router R1 pushes labels for LSP B.

Answer: A

Question 4

Which of the following enables service providers to support multiple customers with the same VLAN ID over the same backbone?

Options :

A : VLAN Trunking

B : VLAN Stacking

C : VLAN Tagging

D : VLAN Routing

Answer: B

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