Online Access Free 4A0-103 Exam Questions

Click on the exhibit.

Both Path-1 and Path-2 are down. If Path-2 becomes available again, how does the headend router select the secondary LSP path?

• A.The router will switch to Path-2 because it is the first secondary path configured in the list.
• B.The router will not switch to Path-2 because the current path has the longest uptime.
• C.The router will switch to Path-2 because it is a more preferred path.
• D.The router will not switch to Path-2 because the router will not revert to another secondary path.

Using facility mode fast reroute, how does the PLR learn the address of the MP?

• A.The PLR learns the address of the MP from the RRO.
• B.The PLR learns the address of the MP from the ERO.
• C.The PLR issues an RSVP PATH message to the tail-end requesting the address of the MP.
• D.The PLR knows the address of the MP is the same as the tail-end router.
• E.The PLR learns the address of the MP from the targeted RSVP Hello message.

Click on the exhibit. After the Isp-ping command is executed, which of the following best describe the router's action?

• A.MPLS Echo Request packets are sent to the destination address of "lsp-toR2" over TCP.
• B.MPLS Echo Request packets are IP-routed to the destination address of "lsp-toR2".
• C.MPLS Echo Request packets are sent within the RSVP-TE tunnel that is signaled for "lsp-toR2".
• D.MPLS Echo Request packets are sent within the LDP tunnel that is signaled for MlsptoR2".

Which of the following can be used for label signaling and distribution on the Alcatel-Lucent 7750 SR? Choose two answers

• A.ADP
• B.LDP
• C.MPLS-TE
• D.RSVP-TE
• E.TDP

Which MPLS label mode propagates a label mapping only for the FEC for which a router has a label mapping for the FEC's next-hop?

• A.Independent control mode
• B.Ordered control mode
• C.Downstream on demand label distribution mode
• D.Conservative label retention mode
• E.Liberal label retention mode