正确答案: B

ip access-group 101 out

题目：把访问权限表应用到路由器端口的命令是：()

解析：B

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学习资料的答案和解析：

[单选题]当在一个接口上使用ipaccess-group99in命令时，以下哪条关于所引用访问控制列表的描述是正确的（）

这个列表是编号型标准ACL，检查进入接口的数据包

[单选题]IP地址为：192.168.50.70，掩码为：255.255.255.248，则该IP地址所在子网的广播地址为（）

192.168.50.71

[单选题]IP地址为：192.168.50.70，掩码为：255.255.255.248，则该IP和掩码结合划分子网时，每个子网的容量为（）

6

[单选题]帧中继环境下，为了区分虚电路，应该使用的地址是（）

DLCI

[单选题]When is a switched network that is running the Spanning Tree Protocol considered to be fully converged?

when every operating switch port is in either the blocking or forwarding state

解析：解析：Explanation:

[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]After logging into a router and typing in a few show commands, you press the up arrow key. What will this do?

It will recall the previous command line

解析：解析：Explanation:

[单选题]Your network uses the172.12.0.0 class B address. You need to support 459 hosts per subnet, while accommodating the maximum number of subnets. Which mask would you use?

255.255.254.0.

解析：解析：Explanation:Toobtain459hoststhenumberofhostbitswillbe9.Thiscansupportamaximumof510hosts.Tokeep9bitsforhostsmeansthelastbitinthe3rdoctetwillbe0.Thisgives255.255.254.0asthesubnetmask.