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Nokia Multi Protocol Label Switching Questions and Answers

Question 13

Which of the following about per-interface label space is TRUE?

A single label is assigned to a FEC for all interfaces on the same router.

The same label can be used to forward a packet on an LSR regardless of which egress port is used.

It uses fewer label resources than a per-platform label space.

A separate label is used for each interface that the FEC is advertised on.

Question 14

True or False? MPLS may use an existing data link layer header field to identify a label, instead of using a specific MPLS header

TRUE

FALSE

Question 15

How have Traffic Engineering extensions to IS-IS been implemented?

By defining new LSAs for the IS-IS protocol.

By utilizing the OSPF opaque LSAs to maintain interoperability with OSPF routing domains

By defining new TE extension TLVs to the IS-IS protocol.

By enabling CSPF algorithm extensions that allow link state TE to be implemented.

Question 16

Which of the following devices can originate an opaque LSA?

TE enabled OSPF routers

Backbone router only

ABR only

ASBR only