最新的Alcatel-Lucent 4A0-102免費考試真題

問題1

Click the exhibit.

Which of the following can be used by router R4 in AS 65542 to reject all routes originating in AS 65540?

A. An import policy that rejects updates with an AS Path matching the regular expression ".+ 65540 .+".

B. An import policy that rejects updates with an AS Path matching the regular expression "65540".

C. An import policy that rejects updates with an AS Path matching the regular expression ".+ 65540".

D. An import policy that rejects updates with an AS Path matching the regular expression "65540 .+".

正確答案: C

問題2

The following policies are configured and exported using "export "Policy-1" "Policy-2"". Assuming both "Client-1" and
"Client-2" are properly defined on the router, which routes are advertised?

A. Neither Client-1 nor Client-2 routes.

B. Client-1 routes only.

C. Client-1 and Client-2 routes.

D. Client-2 routes only.

正確答案: C

問題3

Click the exhibit.

An update travels from AS 137000 to AS 135000, traversing both 32-bit and 16-bit AS Paths. What AS Path is seen by
AS 200?

A. 140000 137000

B. 23456 23456

C. 200 140000 137000

D. 137000 140000

正確答案: B

問題4

Which of the following regarding "well-known discretionary'' BGP attributes is TRUE?

A. The receiving router sends a notification if a well-known discretionary attribute is not present in an update.

B. They must be recognized by all peers and included in all BGP updates.

C. They are discarded if not recognized by the recipient.

D. They must be recognized by all peers and optionally included in BGP updates.

正確答案: D

問題5

When implementing a BGP policy on an Alcatel-Lucent 7750 SR, which of the following types of address space would
a typical address plan need to cover?

A. All of the above.

B. External link addresses.

C. Loopback or link addresses.

D. RIR assigned CIDR space.

E. External client address space.

正確答案: A

問題6

Click the exhibit.
AS 65540 routers are iBGP fully-meshed. Prefixes advertised by router R2 have a local preference of 200. Router R1
advertises the prefix 192.168.1.0/27 to routers R2 and R3. Assuming that router R3 is configured with "advertise-
external", what is the expected output of "show router bgp routes" when executed on router R4?

A. Option D

B. Option B

C. Option C

D. Option A

正確答案: C

問題7

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 RR2.

B. Router RA accepts both updates and flags them as used.

C. Router RA flags both updates as invalid.

D. Router RA prefers the update received from router RR1.

正確答案: C

問題8

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 200. Which route will appear in the RIB-In?

A. Only the first route will appear in the RIB-In.

B. Only the third route will appear in the RIB-In.

C. Only the second route will appear in the RIB-In.

D. All routes will appear in the RIB-In.

正確答案: D

問題9

Which of the following regarding route reflectors is TRUE?

A. There can only be one level of route reflectors in the topology.

B. There can only be one route reflector in a cluster.

C. Only the route reflector is configured with a cluster id.

D. Clients should have iBGP sessions with each other to maintain the mesh.

正確答案: C

問題10

Which of the following prefix-lists is the most specific match for prefixes 192.168.64.1/20 and
192.168.32.5/19?

A. Prefix 192.168.96.0/19 longer.

B. Prefix 192.168.0.0/17 longer.

C. Prefix 192.168.0.0/19 longer.

D. Prefix 192.168.0.0/18 longer.

正確答案: B

問題11

Click the exhibit.

Assuming the network is IPv6 only, which of the following configurations on the Alcatel-Lucent
7750 SR router A can establish an IPv6 BGP session to router B?

A. Option D

B. Option B

C. Option C

D. Option A

正確答案: D

問題12

Which of the following describes BGP route processing on the Alcatel-Lucent 7750 SR?

A. If no import policy is specified, all BGP routes are populated into the route table.

B. If no import policy is specified, only valid BGP routes are populated into RIB-Out.

C. If no import policy is specified, all valid BGP routes are passed to the BGP route selection process.

D. If no export policy is specified, all non-BGP routes are populated into RIB-Out.

正確答案: C

問題13

Assuming that "client1" and "client2" are directly-connected networks, what is the result of executing the following
BGP export policy?

A. Entries 10 and 20 are executed for "client1", and entries 10, 20 and 30 are executed for "client2".

B. Only entry 10 is executed for "client1" and "client2".

C. Entries 10 and 20 are executed for "client1", and entries 10 and 30 are executed for "client2".

D. Entry 10 is executed for directly-connected routes, entry 20 for "client1" and entry 30 for "client2".

正確答案: B

最新的Alcatel-Lucent Border Gateway Protocol - 4A0-102免費考試真題

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