计算机类考试2022思科认证高效提分每日一练(11月02日)

1. [单选题]对于运行OSPF协议的路由器来说，RouterID是路由器的唯一标识，所以协议规定：必须保证RouterID在如下范围之内唯一（）。

A. 网段内
B. 区域内
C. 自治系统内
D. 整个因特网

2. [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

3. [单选题]如果网络中的路由器都是cisco路由器，则优先选择^{(priority selection)}哪一个路由协议（）

A. RIP
B. EIGRP
C. IGRP
D. OSPF

4. [多选题]As a Ezonexam trainee you are required to set the default gateway on a Cisco switch to the IP address of 192.168.1.115. Which IOS command should you use?

A. TestKSwitch(config) ip route-default 192.168.1.115
B. TestKSwitch(config) ip default-gateway 192.168.1.115
C. TestKSwitch(config) ip route 192.168.1.115 0.0.0.0
D. TestKSwitch(config) ip default-network 192.168.1.115
E. None of the above

5. [多选题]Which three statements are true about the operation of a full-duplex Ethernet network, which is being used in the Ezonexam LAN? (Choose three)

A. Ethernet hub ports are preconfigured for full-duplex mode.
B. The host network card and the switch port must be capable of operating in full-duplex mode.
C. There are no collisions in full-duplex mode.
D. In a full-duplex environment, the host network card must check for the availability of the network media before transmitting.
E. A dedicated switch port is required for each full-duplex node.

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