Alcatel-Lucent 4A0-103 dumps - 100% Pass Guarantee!

What is the purpose of the MPLS TC field (EXP bits)?

A. Each implementation can use it as they see fit.

B. It is used to carry the Ether type value.

C. It is used to carry the TTL value.

D. It is used to carry QoS classification.

E. It is used to carry fragmentation flag information.

An LSP is configured with a fully loose path and CSPF is not enabled. An LSR receives the first PATH message for this LSP. Which of the following is NOT performed by the LSR?

A. The LSR regenerates and forwards a new PATH message.

B. The LSR stores the PATH message in the PSB.

C. The LSR forwards the PATH message based on the HOP object in the RSB.

D. The LSR looks up the PATH message's destination IP address in the FIB.

Click on the exhibit.

The path of a fast reroute protected LSP is R1-R2-R3. Which of the following about the protected LSP path is TRUE?

A. All routers along the path, R1, R2, and R3 can be PLRs.

B. If the R1-R2 link fails, router R4 becomes an MP.

C. If the R2-R3 link fails, router R3 becomes a PLR.

D. Router R1 is the LSP head-end and can be a PLR.

Which of the following about Fast Reroute link protection tunnels is FALSE?

A. Link protection tunnels are established if a router is unable to establish node protection tunnels.

B. Link protection tunnels are only requested for a primary LSP path.

C. Link protection tunnels can be created for both one-to-one or facility Fast Reroute.

D. Link protection tunnels detour around a failed next downstream router.

Which of the following about label modes on the Alcatel-Lucent 7750 SR is FALSE?

A. RSVP uses downstream on demand label distribution mode.

B. LDP uses conservative label retention mode.

C. LDP advertises label mappings to all peers for which it might be a next-hop for a given FEC.

D. RSVP distributes a label mapping for a FEC when it has been requested to do so.