【名词&注释】
可靠性(reliability)、路由表(routing table)、路由器(router)、交换机(switch)、数据包(packet)、通配符(wildcard)
[多选题]默认情况下,IGRP衡量路径好坏时,考虑的因素为()
A. 带宽
B. 可靠性
C. 最大传输单元
D. 延时
查看答案&解析查看所有试题
学习资料:
[单选题]下列哪一个通配符(wildcard)掩码与子网172.16.64.0/27的所有主机匹配()。
A. 255.255.255.0
B. 255.255.224.0
C. 0.0.0.31
D. 0.0.31.255
[单选题]下面哪个操作可以使访问控制列表真正生效()。
A. 将访问控制列表应用到接口上
B. 定义扩展访问控制列表
C. 定义多条访问控制列表的组合
D. 用access-list命令配置访问控制列表
[单选题]为了禁止网络210.93.105.0ftp到网络223.8.151.0,允许其他信息传输,则能实现该功能的选项是:()
A. access-list 1 deny 210.93.105.0.0.0.0.0.0
B. access-list 100 deny tcp 210.93.105.0 0.0.0.255 223.8.151.0 0.0.0.255 eq ftp
C. access-list 100 permit ip any any
D. access-list 100 deny tcp 210.93.105.0 0.0.0.255 223.8.151.00.0.0.255 eq ftp access list 100 permit ip any any
[单选题]在路由表中到达同一网络的路由有:静态路由、RIP路由、IGRP路由,OSPF路由,则路由器会选用哪条路由传输数据:()
A. 静态路由
B. RIP路由
C. IGRP路由
D. OSPF路由
[多选题]Regarding DHCP (dynamic host configuration protocol), which two of the following choices below are true? (Select two answer choices)
A. The DHCP Discover message uses FF-FF-FF-FF-FF as the Layer 2 destination address.
B. The DHCP Discover message uses UDP as the transport layer protocol.
C. The DHCP Discover message uses a special Layer 2 multicast address as the destination address.
D. The DHCP Discover message uses TCP as the transport layer protocol.
E. The DHCP Discover message does not use a Layer 2 destination address.
F. F. The DHCP Discover message does not require a transport layer protocol.
[多选题]交换机的三大功能为()
A. 地址学习
B. 转发过滤
C. 消除回路
D. 发送数据包(packet)
[多选题]In which Spanning-Tree states does a switch port learn MAC addresses? (Select two)
A. Blocking
B. Listening
C. Forwarding
D. Learning
E. Relaying
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