Which routes to 192.168.0.1/27 is router R4 expected to have in its BGP routing table?
Click the exhibit. Router R6 is a route reflector for clients R1, R2 and R5 with local preferences 100, 200 and 500 respectively. Router R3 advertises prefix 192.168.1.0/27 to routers R1, R2 and R5 which are configured with advertise-external. Routers R4 and R6 are both configured with "add-paths ipv4 send...
How many iBGP sessions are required for a fully meshed configuration?
An autonomous system has 7 routers configured with BGP. How many iBGP sessions are required for a fully meshed configuration?A . 7B . 13C . 21D . 42View AnswerAnswer: C
Given that ISP 1 and ISP 2 are Tier 2 providers, and that ISP 3 and ISP 4 are Tier 1 providers, what is the most likely relationship between the ISPs?
Click the exhibit. Given that ISP 1 and ISP 2 are Tier 2 providers, and that ISP 3 and ISP 4 are Tier 1 providers, what is the most likely relationship between the ISPs?A . ISP 1 and ISP 2 have a public transit relationship, while ISP 3 and ISP...
Which of the following routes are received by router R7?
Click the exhibit. AS 65550 owns CIDR block 10.64.0.0/12. Router R3 is advertising Client1 and Client2 networks into BGP. Router R6 advertises the aggregate 10.64.0.0/12 to AS 65541 with "summary-only" enabled. Which of the following routes are received by router R7?A . Client1, Client2 and the aggregate.B . Only the...
Which of the following commands verifies that the export was successful?
An Alcatel-Lucent 7750 SR is configured with a policy to export directly-connected networks to BGP. Which of the following commands verifies that the export was successful?A . show router route-tableB . show router bgp routesC . show router bgp routes <prefix> huntD . show router bgp neighbor <ip-address> received-routesView AnswerAnswer:...
A router in AS 65100 receives two BGP routes. The first route is for 138.1.1.0/24 with an AS Path of 65200 65300, Local Preference of 100, MED of 100, and router ID 10.10.10.10. The second route is for 138.1.0.0/16 with an AS Path of 65500 65300, Local Preference of 150, MED of 100, and router ID 10.1.1.1. Assuming all other attributes are equal, which route would be used to forward an IP packet with destination IP address 138.1.1.1?
A router in AS 65100 receives two BGP routes. The first route is for 138.1.1.0/24 with an AS Path of 65200 65300, Local Preference of 100, MED of 100, and router ID 10.10.10.10. The second route is for 138.1.0.0/16 with an AS Path of 65500 65300, Local Preference of 150,...
Which of the following is TRUE regarding the aggregate route advertisement?
Click the exhibit. AS 65550 owns the CIDR block 10.64.0.0/12. Router R4 advertises the aggregate 10.64.0.0/12 to AS65540. Which of the following is TRUE regarding the aggregate route advertisement?A . The aggregator attribute will not be present, and the atomic aggregate flag will not be set.B . The aggregator attribute...
If router A originates an update for prefix 192.168.0.1/27, what will the update contain when it reaches router B?
Click the exhibit. If router A originates an update for prefix 192.168.0.1/27, what will the update contain when it reaches 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...
What are the well-known mandatory BGP attributes?
What are the well-known mandatory BGP attributes?A . Origin, Next Hop and Local Preference.B . Local preference, AS Path and Next Hop.C . Aggregator, Next Hop and AS Path.D . AS Path, Next Hop and Origin.View AnswerAnswer: D
Which of the following is a valid confederation configuration for Router R2?
Click the exhibit. Which of the following is a valid confederation configuration for Router R2? A . Option AB . Option BC . Option CD . Option DView AnswerAnswer: C