[单选题]对交换机的描述,正确的是()
正确答案 :B
单广播域,多冲突域的设备
[单选题]The Ezonexam network administrator has issued the "VTP password ezonexam" command on a Cisco device. What is the purpose of this command?
正确答案 :D
It is used to validate the sources of VTP advertisements sent between switches
[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
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