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2021 Dec 4A0-102 simulations

Q51. A BGP session is in OpenConfirm state. Which of the following messages must be received totransition to Established state? 

A. Update 

B. Open 

C. Notification 

D. Keepalive 

Answer: D 


Q52. Click the exhibit. 

Router R2 receives a route to 192.168.1.0/27 from router R4, and sets the local preference to 110.Router R1 receives a route to 192.168.1.0/27 from router R3, and sets the local preference to 80.Both ASs have a full iBGP mesh. What path does traffic destined to 192.168.1.0/27 take fromrouter R1? 

A. R1-R3-R8 

B. R1-R2-R4-R8 

C. R1-R3-R4-R8 

D. R1-R2-R4-R3-R8 

Answer: B 


Q53. Click the exhibit. 

Over which BGP session will router B learn the 10.1.1.0/24 prefix? 

A. The session between router A and router B. 

B. The session between router C and router B. 

C. The session between router D and router B. 

D. Router B will learn the prefix over all of the sessions, then it will choose the best route. 

Answer: A 


Q54. Click the exhibit. 

Routers RR1 are RR2 are redundant route reflectors for clients R3 and R4. Which of the followingis a valid configuration on router R3? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer: C 


Q55. Which of the following describes BGP route processing on the Alcatel-Lucent 7750 SR? 

A. If no import policy is specified, all valid BGP routes are passed to the BGP route selectionprocess. 

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

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

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

Answer: A 


Up to date 4A0-102 rapidshare:

Q56. When implementing a BGP policy on an Alcatel-Lucent 7750 SR, which of the following types ofaddress space would a typical address plan need to cover? 

A. RIR assigned CIDR space. 

B. External client address space. 

C. Loopback or link addresses. 

D. External link addresses. 

E. All of the above. 

Answer: E 


Q57. What kind of BGP attribute is the Local Preference? 

A. Optional transitive attribute. 

B. Optional non-transitive attribute. 

C. Well-known mandatory attribute. 

D. Well-known discretionary attribute. 

Answer: D 


Q58. A router in AS 65100 receives three routes for 138.120.0.0/16. The first route has an AS Path of65200 65400 65300 and a local preference of 150. The second route has an AS Path of 6520065300 and a local preference of 100. The third route has an AS path of 65600 65300 and a localpreference of 200. Which route will appear in the RIB-In? 

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

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

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

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

Answer: D 


Q59. Click the exhibit. 

Assuming that none of the routers within AS 65200 is configured with next-hop-self", what will theBGP update for the 192.168.0.1/27 prefix contain when it arrives at router B? 

A. AS Path of 65200 65100, Next Hop of router A. 

B. AS Path of 65200 65100, Next Hop of router E. 

C. AS Path of 65100, Next Hop of router E. 

D. AS Path of 65100, Next Hop of router A. 

Answer: C 

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

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

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

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

D. The receiving router sends a notification if a well-known discretionary attribute is not present inan update. 

Answer: C 


Q60. What happens to a route that is rejected by an import policy on an Alcatel-Lucent 7750 SR? 

A. The route is discarded. 

B. The route is kept in the RIB-In, but marked as an invalid route. 

C. The route is moved to the LOC-RIB, but not marked as a used route. 

D. The route is moved to the route table, but not to the FIB. 

Answer: B