单选题Once the TCP connection is established, which message type initiates the BGP peering process?()A OpenB ActiveC UpdateD KeepaliveE Notification

题目
单选题
Once the TCP connection is established, which message type initiates the BGP peering process?()
A

Open

B

Active

C

Update

D

Keepalive

E

Notification

参考答案和解析
正确答案: A
解析: 暂无解析
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相似问题和答案

第1题:

()报文是BGP系统中最重要的信息,用于在同伴之间交换路由信息。

A.OPEN

B.KEEPALIVE

C.UPDATE

D.NOTIFICATION


参考答案:C

第2题:

下列哪些消息类型是BGP的消息类型()。

A、OPEN

B、HELLO

C、UPDATE

D、NOTIFICATION


参考答案:ACD

第3题:

BGP协议中,哪种报文是用来传递路由的()。

A.OPEN

B.KEEPALIVE

C.UPDATE

D.NOTIFICATION


参考答案:C

第4题:

Which type of connection must be established before BGP peers can exchange update messages?()

A.SSL

B.UDP

C.TCP

D.SSH


参考答案:C

第5题:

Which message is used to transport routing information between BGP peers?()

A. Open

B. Active

C. Update

D. Keepalive


参考答案:C

第6题:

BGP协议的分组中,需要周期性交换的是

A)open

B)update

C)keepalive

D)notification


正确答案:C
C
解析:BGP有4种分组类型:打开open分组用来建立连接;更新update分组用来通告可达路由和撤销无效路由;周期性地发送存活keepalive分组,以确保连接的有效性;当检测到一个差错时,发送通告notification分组。因此需要周期交换的是选项C) 存活keepalive分组。

第7题:

Once the TCP connection is established, which message type initiates the BGP peering process?()

A. Open

B. Active

C. Update

D. Notification


参考答案:A

第8题:

BGP系统在运行过程中,是通过接收和发送()消息来检测相互之间的连接是否正常。

A.OPEN

B.KEEPALIVE

C.UPDATE

D.NOTIFICATION


参考答案:B

第9题:

Which three BGP states are associated with establishing TCP connectivity?() (Choose three.)

A.Idle

B.Active

C.Connect

D.Open Sent

E.Established


参考答案:A, B, C

第10题:

Which one of the following statements about BGP is FALSE?()

A. BGP uses TCP port 179.

B. BGP ensures reliability of updates by using the reliable transport services of TCP.

C. The network command with the mask option never insta lls a prefix into the BGP table unless there is a matching prefix exists in the IP route table.

D. A TCP connection is required before exchanging updates.

E. BGPuses notification and the update messages to establish and maintain the BGP neighbor relati onship.


参考答案:E

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