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Q81. Which of the following organizations would an ISP based in Europe approach for an IP prefixassignment?
A. ARIN
B. ICANN
C. RIPE NCC
D. LACNIC
E. APNIC
Answer: C
Q82. Click the exhibit.
If router A originates an update for prefix 192.168.0.1/27, what will the update contain when itreaches router B?
A. AS Path of 65200, local-preference of 100.
B. AS Path of 65200, local-preference of None.
C. Null AS Path, local-preference of 100.
D. Null AS Path, local-preference of None.
Answer: C
Q83. Which of the following is FALSE regarding the 16-bit public autonomous system numbers?
A. They are allocated to the RIRs by ICANN/IANA.
B. They are used when connecting ASs on the Internet.
C. They range from 1 to 56319.
D. They are assigned by the ISPs for enterprise networks.
Answer: D
Q84. What kind of attribute is the aggregator?
A. Well-known mandatory
B. Well-known discretionary
C. Optional transitive
D. Optional non-transitive
Answer: C
Q85. Which of the following regarding BGP confederations is FALSE?
A. The entire confederation is viewed as a single AS by an eBGP peer.
B. Within a confederation, each member AS is considered as a stand-alone AS.
C. Member ASs within a confederation can use route reflection.
D. Member ASs must be fully meshed within a confederation.
Answer: D
Q86. Assuming that "client1" and "client2" are directly-connected networks, what is the result ofexecuting the following BGP export policy?
A. "client1" routes will be tagged with communities "North" and "West".
B. "client1" routes will be tagged with community "West".
C. "client1" routes will be tagged with community "North".
D. "client1" routes will be rejected.
Answer: C
Q87. 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
Q88. Which of the following behaviors regarding the modification of BGP attributes within aconfederation is TRUE?
A. Next Hop is modified when crossing member AS boundaries within a confederation.
B. Origin Code is modified when crossing member AS boundaries within a confederation.
C. AS Path is modified when crossing member AS boundaries within a confederation.
D. None of the well known mandatory attributes is modified within a confederation.
Answer: C