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2022思科认证模拟考试系统285

来源: 布丁学网    发布:2022-10-13     [手机版]    
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布丁学网发布2022思科认证模拟考试系统285,更多思科认证的模拟考试请访问布丁学网计算机类考试频道。

1. [单选题]OSPF骨干区的区域编号为()

A. 0.0.0.1
B. 255
C. 0.0.0.0
D. 255.255.255.255


2. [单选题]常见的LSA有几种类型()

A. 4
B. 5
C. 6
D. 7


3. [单选题]扩展IP访问权限表的表号范围是:()

A. 1—100
B. 1-99
C. 100-199
D. 800-899


4. [单选题]路由器上的命令“show version”的功能是()

A. 显示版本信息
B. 显示端口配置信息
C. 显示路由表
D. 显示路由协议信息


5. [单选题]如果把路由器的某个端口的IP配置为:192.168.10.64,掩码配置为:255.255.255.248,则该端口()

A. 能和其他设备正常通信
B. 会变成“administratively down”状态
C. 端口被烧毁
D. 出现错误提示,配置命令执行失败


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

A. when all switches have the same BID as the root switch
B. when all switches have received the MAC address of each neighboring switch
C. when every enabled switch port has been assigned a unique identifier
D. when every operating switch port is in either the blocking or forwarding state
E. when all switches are in either client, server, or transparent mode


7. [单选题]Why might the Ezonexam network administrator set the configuration register to 0x2142 on a 2600 series Cisco router?

A. To boot the IOS from ROM
B. To reset the console password
C. To upload a new version of the configuration file
D. To upload a new version of the IOS
E. To allow a new memory upgrade to be recognized by the router


8. [单选题]You need to decide on which trunking method to implement in the Ezonexam network. What is a characteristic of ISL and 802.1q frame. tagging in a switched LAN environment?

A. They are used to find the best path through a network.
B. They allow the exchange of filtering tables.
C. They specify different implementations of the Spanning-Tree Protocol.
D. They allow the exchange of routing tables
E. They provide inter-switch VLAN communication.


9. [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?

A. Full-duplex Ethernet consists of a shared cable segment. Half-duplex provides a point-to-point link
B. Full-duplex Ethernet uses two wires to send and receive. Half-duplex Ethernet uses one wire to send and receive
C. Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth
D. Full-duplex Ethernet uses a loopback circuit to detect collisions. Half-duplex Ethernet uses a jam signal
E. None of the above


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