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An engineer is developing a configuration script to enable dial-out telemetry streams using gRPC on several new devices. TLS must be disabled on the devices. Which configuration must the engineer apply on the network?
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How does Cisco MPLS TE use OSPF extensions to allow for optimized transit between a headend router and a destination router?

A.

Router LSAs share router link advertisements to each router within the MPLS environment so that tunnels can be built bidirectionally.

Answers
A.

Router LSAs share router link advertisements to each router within the MPLS environment so that tunnels can be built bidirectionally.

B.

ASBR Summary LSAs share OSPF domain information so that the two routers know how to reach each other during tunnel setup.

Answers
B.

ASBR Summary LSAs share OSPF domain information so that the two routers know how to reach each other during tunnel setup.

C.

Network LSAs share RSVP information to build the tunnel between the two routers.

Answers
C.

Network LSAs share RSVP information to build the tunnel between the two routers.

D.

Opaque LSAs calculate and establish unidirectional tunnels that are set according to the network constraint.

Answers
D.

Opaque LSAs calculate and establish unidirectional tunnels that are set according to the network constraint.

Suggested answer: D

Explanation:

Cisco MPLS TE uses OSPF extensions to allow for optimized transit between a headend router and a destination router by utilizing Opaque LSAs. Opaque LSAs allow for the calculation and establishment of unidirectional tunnels that are set according to the network constraint. The tunnels are built bidirectionally by utilizing Router LSAs, which share router link advertisements to each router within the MPLS environment. ASBR Summary LSAs are also used to share OSPF domain information so that the two routers know how to reach each other during tunnel setup. Furthermore, Network LSAs are used to share RSVP information which is necessary for setting up the tunnel between the two routers.

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asked 10/10/2024
Reinhard KOhl
38 questions
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