正确答案: ABD

Create the VLAN. Name the VLAN. Add the desired ports to the new VLAN.

题目：Which of the following steps are necessary in order to add a new VLAN to the Ezonexam switched network? (Select all that apply)

解析：解析：Explanation:

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举一反三的答案和解析：

[单选题]After working on a router, some problems arise and you wish to view the commands that you recently entered. Which IOS command opens the history buffer and displays the most recently entered commands?

Show history

解析：A 解析：Explanation:

[单选题]为了查看路由器的E0端口上，是否挂接了访问权限表，应该使用的命令是（）

show interface e0

[单选题]哪个ACL可允许主机10.220.158.10访问web服务器192.168.3.244()

access-list 101 permit tcp 10.220.158.10 0.0.0.0 host 192.168.3.224 eq 80

[单选题]An administrator issues the show ip interface s0/0 command and the output displays that interface Serial0/0 is up, line protocol is up.What does "line protocol is up" specifically indicate about the interface?

Keepalives are being received on the interface.

解析：解析：Explanation:

[单选题]100baseT的速率是()Mbit/s

100

[单选题]You want to upgrade the Ezonexam LAN so that all ports operate in full duplex mode. Which statement is true about full-duplex Ethernet when comparing to half-duplex Ethernet?

Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth

[多选题]You need to configure an 802.1Q link on a Ezonexam switch. Which commands, when used together, would do this? (Select two answer choices)

Switch(config-if) switchport mode trunk

Switch(config-if) switchport trunk encapsulation dot1q

解析：C,D 解析：Explanation:

[单选题]TCP23是（）协议端口号；UDP69是（）端口号；TCP80是（）端口号。

TELNET TFTP HTTP