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Total 152 questions
Which of the following is TRUE if a BGP session state is Connect?
- A. BGP is waiting for the TCP connection to be completed.
- B. BGP has established a TCP connection, and an Open message has been sent to that neighbor.
- C. The BGP session has been interrupted, and a TCP connection is being re-established.
- D. BGP has failed to establish a TCP connection to that neighbor, and ConnectRetry has beenreset to zero.
Answer : B
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
Click the exhibit.
AS 65550 owns CIDR block 10.64.0.0/12. Router R3 is advertising Client1 and
Client2networksinto 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 aggregate.
- C. Only Client1 and the aggregate.
- D. Only Client2 and the aggregate.
Answer : C
Assuming that "client1" and "client2" are directly-connected networks, what is the result ofexecuting the following BGP export policy?
- A. "client2" routes will be only tagged with communities 'East'' and "South".
- B. "client2" routes will be tagged with community "East".
- C. "client2" routes will only be tagged with community "South".
- D. "client2" routes will be rejected.
Answer : A
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 4 have a private transitrelationship.
- B. ISP 1 and ISP 2 have a private transit relationship, while ISP 3 and ISP 4 have a public transitrelationship.
- C. ISP 1 and ISP 2 have a private peering relationship, while ISP 3 and ISP 4 have a publicpeering relationship.
- D. ISP 1 and ISP 2 have a public peering relationship, while ISP 3 and ISP 4 have a privatepeering relationship.
Answer : D
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