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Alcatel-Lucent 4A0-102 Exam
4A0-102 Alcatel-Lucent Border Gateway Protocol (Page 10 )

Updated On: 1-Feb-2026
Page 6 of 32
PDF with 152 Questions

An Alcatel-Lucent 7750 SR receives a route from an eBGP peer without a MED. What MED value is sent to iBGP peers?

  1. 100
  2. 250
  3. The IGP cost
  4. None

Answer(s): D



Which of the following is NOT a goal of BGP routing policies?

  1. To protect external networks from instability.
  2. To communicate the architecture of an AS to external ASs.
  3. To protect the local AS and other external ASs from bad NLRI.
  4. To optimize ingress and egress traffic patterns to best serve the users of the AS.

Answer(s): B



Click the exhibit.


AS 65550 owns CIDR block 10.64.0.0/12. Router R6 advertises the aggregate 10.64.0.0/12 to AS 65541 with "as-set" enabled. Which of the following is TRUE regarding the aggregate route received by router R7?

  1. The AS Path is set to 65540, and the Atomic Aggregate flag is set.
  2. The AS Path is set to 65540 65550, and the Atomic Aggregate flag is set.
  3. The AS Path is set to 65540 65550, and the Atomic Aggregate flag is not set.
  4. The AS Path is set to 65550, and the Atomic Aggregate flag is not set.

Answer(s): C



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

  1. "client1" routes will be tagged with communities "North" and "West".
  2. "client1" routes will be tagged with community "West".
  3. "client1" routes will be tagged with community "North".
  4. "client1" routes will be rejected.

Answer(s): C



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 from router R1?

  1. R1-R3-R8
  2. R1-R2-R4-R8
  3. R1-R3-R4-R8
  4. R1-R2-R4-R3-R8

Answer(s): B



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