Nokia 4A0-C04 問題集

質問 1：
Which of the following is NOT required when configuring an LSP with an admin group constraint on an Nokia 7750 SR?
A. Configure a path definition on all routers along the LSP path.
B. Enable CSPF on the head-end router.
C. Enable traffic engineering on all routers along the LSP path.
D. Enable MPLS and RSVP on all routers along the LSP path.
正解：A

質問 2：
Click on the exhibit.

Router R2 learns the networks shown from IS-IS. Router R2 is configured to redistribute routes from IS-IS to OSPF as shown. Assume the OSPF and IS-IS adjacencies are operational.
How many OSPF Type 5 LSAs will router R1 receive from router R2?
A. 0
B. 2
C. 3
D. 4
E. 1
正解：C

質問 3：
Which of the LSA types stay within an OSPF area and are not exported outside of the area? (Choose all that apply)
A. Network LSA
B. Summary Network LSA
C. Summary Router LSA
D. Router LSA
正解：A,D

質問 4：
Click on the exhibit.

If the primary path fails, which backup LSP path will the head-end router pick first?
A. The Standby with the lowest next-hop IP.
B. The first Standby in the list.
C. The Standby with the highest next-hop IP.
D. The Standby with the longest uptime.
正解：D

質問 5：
Click the exhibit.

Routers RR1 and RR2 are route reflectors with the same Cluster-ID. How does router RA treat the updates for prefix 192.168.1.0/27 received from routers RR1 and RR2?
A. Router RA prefers the update received from router RR1.
B. Router RA flags both updates as invalid.
C. Router RA prefers the update received from router RR2.
D. Router RA accepts both updates and flags them as used.
正解：B

質問 6：
What command will show the OSPF neighbors, and their status on the Nokia 7750 SR?
A. Show router ospf adjacency
B. Show ospf neighbors
C. Show ospf adjacency
D. Show router ospf neighbors
正解：D

質問 7：
An Nokia 7750 SR is configured with an export policy to redistribute its directly-connected networks into BGP. Which of the following databases contains the routes for these networks?
A. The routes are in the RIB-In.
B. The routes are in the RIB-Out.
C. The routes are in the Loc-RIB.
D. The routes are not in any of the BGP databases.
正解：B

質問 8：
What is the result of configuring the following policy statement as a BGP import policy on the Nokia 7750 SR?

A. BGP routes matching prefix lists "List-1" and "List-2" are rejected.
B. All BGP routes are accepted.
C. All routes matching prefix lists "List-1" and "List-2" are rejected.
D. BGP routes matching prefix lists "List-1" or "List-2" are rejected.
正解：D

質問 9：
Initially, all ports on an Nokia 7750 SR have 10Gbps bandwidth. RSVP configuration limits reservable bandwidth to 30 percent on all interfaces. An LSP is signaled reserving 1 Gbps bandwidth. How much unreserved bandwidth is left on the interface?
A. 3 Gbps
B. 2 Gbps
C. 10 Gbps
D. 7 Gbps
正解：B