What AS Path is seen by AS 200?
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 137000B . 137000 140000C . 23456 23456D . 200 140000 137000View AnswerAnswer: C
Which of the following is TRUE if the local state of BGP is OpenConfirm?
Which of the following is TRUE if the local state of BGP is OpenConfirm?A . The local system has received a Keepalive message and is ready to exchange updates.B . The local system is exchanging Update messages with its neighbor.C . The local system has sent a Keepalive message to...
Which of the following is NOT a goal of BGP routing policies?
Which of the following is NOT a goal of BGP routing policies?A . To protect external networks from instability.B . To communicate the architecture of an AS to external ASs.C . To protect the local AS and other external ASs from bad NLRE . To optimize ingress and egress traffic...
Which of the following regarding updates originating in AS 65540 is TRUE?
Click the exhibit. Router R3 is configured with an import policy to reject updates with an AS Path matching the regular expression ".+ 65540". Which of the following regarding updates originating in AS 65540 is TRUE?A . Router R3 rejects all updates originating in AS 65540.B . Router R3 accepts...
Which of the following is TRUE regarding the aggregate route received by router R7?
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?A . The AS Path is set to 65540, and the Atomic Aggregate flag is set.B...
Assuming that none of the routers in AS 65540 is configured with "advertise-external", what is the expected output of "show router bgp routes" on router R2?
Click the exhibit. Router R1 is a route reflector with clients R2, R5 and R6. Prefixes advertised by router R5 have a local preference of 200. Router R3 advertises the prefix 192.168.1.0/27 to routers R5 and R6. Assuming that none of the routers in AS 65540 is configured with "advertise-external",...
Which routers will receive an update for that prefix?
Click the exhibit. Router R1 is advertising prefix 192.168.1.0/27 with community "no-export. Which routers will receive an update for that prefix?A . Router R2 only.B . Routers R2 and R3 only.C . Routers R2, R3 and R4 only.D . Routers R2, R3, R4and R5.View AnswerAnswer: D
Which of the following AS Paths will match the regular expression "65100."?
Which of the following AS Paths will match the regular expression "65100."?A . "65100"B . "65100 65200''C . "65200 65100"D . "65100 65250 65200"View AnswerAnswer: B
What happens to a route that is rejected by an import policy on an Alcatel-Lucent 7750 SR?
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...
Assuming member ASs are fully meshed and use full mesh iBGP, what is the required number of BGP sessions within the confederation?
A confederated AS is comprised of three members. One member is comprised of 4 routers, while the other two members are comprised of 3 routers each. Assuming member ASs are fully meshed and use full mesh iBGP, what is the required number of BGP sessions within the confederation?A . 12B...