[单选题]路由器上“水平分割”的功能是:()
正确答案 :B
阻止路由环路
[单选题]TCP23是()协议端口号;UDP69是()端口号;TCP80是()端口号。
正确答案 :C
TELNET TFTP HTTP
[多选题]Which of the following are types of flow control? (Choose three)
正确答案 :ACD
Buffering
Windowing
Congestion avoidance
解析:解析:Explanation:Datatransmissionflowcontroloccursatlayer4withthehelpofbuffering,windowingandcongestionavoidance.
查看原题