Huawei
H12-821_V1.0 · Question #549
Which of the following descriptions about BGP are correct? (Multiple choice)
The correct answer is B. When BGP establishes a neighbor relationship, you must complete the TCP three-way handshake. C. Otherwise, the neighbor relationship cannot be established D. BGP periodically exchanges messages to verify the TCP connection valid. The default Keepalive sending period is 60 seconds. See the full explanation below for the reasoning.
IPv4 Routing Technologies
Question
Which of the following descriptions about BGP are correct? (Multiple choice)
Options
- AWhen BGP establishes a neighbor relationship, the necessary parameters are negotiated through Notification messages.
- BWhen BGP establishes a neighbor relationship, you must complete the TCP three-way handshake.
- COtherwise, the neighbor relationship cannot be established
- DBGP periodically exchanges messages to verify the TCP connection valid. The default Keepalive sending period is 60 seconds.
- EBGP uses TCP port 179 for communication.
How the community answered
(60 responses)- A15% (9)
- B78% (47)
- E7% (4)
Topics
#BGP neighbor establishment#TCP three-way handshake#Keepalive timer#BGP messages
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