Free Access Nokia.4A0-C04.v2022-08-01.q101 Practice Test (Page 11)

Question 46

Which of the following about the Isp-ping command on the Nokia 7750 SR is FALSE?

A.Echo reply packets may not take the same path as the LSP.

B.The IP destination address is used to initiate echo requests,

C.An echo request is sent based on the LSP's label stack.

D.The test fails if the LSP is not operationally up.

Question 47

Which of the following best describes downstream on demand label distribution?

A.An LSR answers requests for label mappings immediately, without waiting for a label mapping from the next-hop.

B.An LSR propagates a label mapping downstream for a FEC. only if it has a label mapping for the FEC's next-hop.

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

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

Question 48

Which of the following regarding MPLS label value assignment is FALSE?

A.Label values may be dynamically assigned by RSVP-TE.

B.Label values may be dynamically assigned by IGP.

C.Label values may be dynamically assigned by LDP.

D.Label values may be reserved for special uses.

Question 49

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

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

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

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

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

Question 50

Which of the following about IS-IS Traffic Engineering on an Nokia 7750 SR is FALSE?

A.Traffic engineering is required for constraint-based LSPs.

B.Traffic engineering information is stored in the opaque database,

C.Traffic engineering information is carried in the extended TLVs.

D.Traffic engineering must be enabled on all IP/MPLS routers along the LSP path.

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