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Nokia 4A0-C04 - Nokia NRS II Composite Exam: OSPF version

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Total 298 questions

A router in AS 65100 receives three routes for 138.120.0.0/16. The first route has an AS Path of 65200 65400 65300 and a local preference of 150. The second route has an AS Path of 65200 65300 and a local preference of 100. The third route has an AS Path of 65600 65300 and a local preference of 100. Which route will appear in the RIB-out?

A.

Only the first route will appear in the RIB-Out.

B.

Only the second route will appear in the RIB-Out.

C.

Only the third route will appear in the RIB-Out.

D.

All routes will appear in the RIB-Out.

Click on the exhibit.

RSVP session state for LSP 1 has timed out on router R3. Which of the following actions will router R3 initiate to clear the RSVP session?

A.

Send a PATH Tear message toward router R6.

B.

Send a PATH Tear message toward router R1.

C.

Send a PATH Error message toward router R6.

D.

Send a PATH Error message toward router R1.

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 unlabeled to the prefix 192.10.1.2.

B.

MPLS Echo Request packets are sent within the LDP tunnel that are signaled for 192.10.1.2.

C.

MPLS Echo Request packets are sent within the RSVP-TE tunnel that are signaled for 192.10.1.2.

D.

MPLS Echo Request packets are sent over TCP.

Which routing protocol cannot be run over an Ipipe?

A.

OSPF

B.

RIP

C.

BGP

D.

IS-IS

Click on the exhibit.

The LSP "toR6" is configured with a fully strict path on an Nokia 7750 SR. Which of the following configurations is required to enable fast reroute for this LSP?

A.

Enable fast-reroute on all routers along the path. R1, R2, R4, and R6.

B.

Enable both link-protection and node-protection on router R1.

C.

Enable fast-reroute with either one-to-one or facility mode on this LSP.

D.

Enable link-protection only on router R4.

Static routing will be used in a network between a corporate head office, with many connected networks, and a branch office, with one connection to the head office. Which of the following best describes the likely configuration?

A.

The corporate head office router will have a default route and the branch site will have a more specific static route.

B.

The corporate head office router and the branch office router will both have specific static routes.

C.

The corporate head office router and the branch router will both have default routes.

D.

The corporate head office router will have a more specific static route and the branch office router will have a default route.

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

C.

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

D.

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

What happens by default on an Nokia 7750 SR when a null encapsulated SAP receives a frame with a VLAN tag?

A.

The original VLAN tag is removed.

B.

The original VLAN tag is kept.

C.

The VLAN tag is replaced by a provider tag.

D.

The VLAN tag is kept and a provider tag is added.

Which regular expression will match the AS Path of a route originating in remote AS 65100?

A.

".+ 65100"

B.

"65100.+"

C.

".* 65100.*"

D.

"65100"

On Nokia 7750 SR OS, routing information between the CE and PE can be exchanged using the following methods.

A.

ISIS, RIP, OSPF, static routes

B.

BGP, ISIS, RIP, OSPF, static routes

C.

BGP, RIP, OSPF, static routes, OSPF3

D.

ISIS, RIP, OSPF, static routes, OSPF3