Question 1

Which of the following is TRUE when the explicit null is implemented?

Options :

A : The penultimate router will forward packets to the eLER, based on the IP header.

B : The eLER will receive packets with a top label value of 0.

C : The eLER will receive packets with a top label value of 3.

D : The penultimate router will pop the top label from the packets.

Answer: B

Question 2

How does MPLS-TE overcome the issue of IP hyper-aggregation?

Options :

A : By enabling the creation of LSPs across alternate links to balance the network traffic.

B : By eliminating the requirement for core IP routing

C : By not allowing more than one LSP to use a particular path.

D :

By defining multiple LSPs across a network and implementing an IGP load balancing algorithm across

them.

Answer: A

Question 3

Which of the following statements regarding LSP path configuration are true? (Choose three)

Options :

A :

The path must include at least one hop.

B :

The path may be used multiple times in a single LSP.

C : The path may comprise loose hop entries only.

D : The path must define the LSP-s tail end.

E :

The path may be used for multiple LSPs.

Answer: A,D

Question 4

Click on the exhibit.

Which of the following is FALSE?

Options :

A : The router can reach prefix 192.10.1.2/32 through a RSVP-TE tunnel.

B : The router can reach prefix 192.10.1.2/32 through an LDP tunnel.

C : The router 10.10.10.2 is the egress router of the prefix 192.10.1.2/32.

D : The Isp-ping tool is used to perform a unidirectional LSP test.

Answer: A

Question 5

Which of the following about an LSP protected with facility FRR is TRUE?

Options :

A : The LSP can use protection tunnels used by other LSPs.

B : The LSP can use facility and one-to-one FRR simultaneously.

C : The LSP is limited to link protection.

D : A detour protection tunnel is created for this LSP.

Answer: A