题库·思科认证
计算机类思科认证
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单选题

把访问权限表应用到路由器端口的命令是：()

A
permit access-list 101 out
B
ip access-group 101 out
C
apply access-list 101 out
D
access-class 101 out

题目答案

B

答案解析

暂无解析
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举一反三
单选题

混合型协议既具有“距离矢量路由协议”的特性，又具有“链路状态路由协议”的特性，下列协议中属于混合型协议的是：()

A
RIP
B
OSPF
C
EIGRP
D
IGRP

题目答案

C

答案解析

暂无解析
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单选题

在路由器上，命令show access-list的功能是（）

A
显示访问控制列表内容
B
显示路由表内容
C
显示端口配置信息
D
显示活动配置文件

题目答案

A

答案解析

暂无解析
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单选题

You wish to segment your LAN into multiple broadcast domains. Which technology method should you implement in order to do this?

A
Transparent bridging
B
Cut-through switching
C
Fragment-free switches
D
Virtual LANs
E
Store-and-forward switching
F
None of the above

题目答案

D

答案解析

解析：EXPLANATION:THE CREATION OF VLANS IN A SWITCH WILL PROVIDE SEPARATE BROADCAST DOMAINS. BY DEFAULT, ALL PORTS IN A CATALYST SWITCH BELONG TO VLAN 1. BY CREATING ADDITIONAL VLANS, THE LAN WILL BE LOGICALLY SEGMENTED INTO SEPARATE BROADCAST DOMAINS.INC
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单选题

Ezonexam has a Class C network and you need ten subnets. You wish to have as many addresses available for hosts as possible. Which one of the following subnet masks should you use?

A
255.255.255.192
B
255.255.255.224
C
255.255.255.240
D
255.255.255.248
E
None of the above

题目答案

C

答案解析

Explanation:Usingthe2n-2formula,wewillneedtouse4bitsforsubnetting,asthiswillprovidefor24-2=14subnets.Thesubnetmaskfor4bitsisthen255.255.255.240.IncorrectAnswers:A.Thiswillgiveusonly2bitsforthenetworkmask,whichwillprovideonly2networks.B.Thiswillgiveus3
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