A.It ensures that an unstable link does not result in uncontrolled routing churn which avoids performing a new best path calculation for the entire network every time.

B.It reduces routing protocol churn by reducing network updates during periods of network instability.

C.It ensures that an unstable network with a large amount of updates does not completely consume router resources.

D.It determines the minimum amount of time that must pass before accepting the same LSA update.

A.The router sends only a label for the prefix for LoopbackO.

B.The neighbor router receives at least four labels from this router

C.The router must have TDP configured for the send-label command to operate

D.The router sends BGP labels for its prefixes to this peer

A.MQC

B.IntServ

C.CB-WFQ

D.DiffServ

A.The neighbor relationship is down because the two routers are configured with different area types.

B.The neighbor relationship is down because the two routers are in the same subnet.

C.The neighbor relationship is up because R2 is level 1 and Ievel 2 router.

D.The neighbor relationship is down because R2 is operating as a Level 1 router and the two routers are in different areas.