
【名词&注释】
路由表(routing table)、路由器(router)、交换机(switch)、数据包(packet)、配置文件(configuration file)、帧中继(frame relay)、第二层(the second layer)
[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
查看答案&解析
举一反三:
[单选题]要把交换机的配置文件保存到tftp服务器,应使用的命令为()
A. copy ios tftp
B. copy running-configt ftp
C. copy flash tftp
D. copy config tftp
[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()
A. 这个列表是编号型扩展ACL,检查离开接口的数据包
B. 这个列表是命名的扩展ACL,检查进入接口的数据包
C. 这个列表是编号型标准ACL,检查进入接口的数据包
D. 这个列表是命名的标准ACL,检查离开接口的数据包
[单选题]OSI第二层(the second layer)数据封装完成后的名称是:()
A. 比特
B. 包
C. 帧
D. 段
[单选题]能够分配给设备的IP,应该是()
A. 网络有效IP
B. 网络号
C. 网络广播地址
D. 任意IP
[单选题]帧中继(frame relay)环境中,在物理端口上,建立子接口的命令是()
A. create
B. interface
C. encapsulation
D. ip address
[多选题]With regard to Ethernet media access methods, which of the following are true?(Choose all that apply.)
A. A device waits for an electronic signal before transmitting.
B. A device listens and waits until the media is not busy before transmitting.
C. All devices on an Ethernet segment see data that passes on the network medium.
D. Only the sender and the receiver devices see data that passes on the network medium.
E. Ethernet networks allow you to configured devises with higher transmission priority.
[单选题]Given that you have a class B IP address network range, which of the subnet masks below will allow for 100 subnets with 500 usable host addresses per subnet?
A. 255.255.0.0
B. 255.255.224.0
C. 255.255.254.0
D. 255.255.255.0
E. 255.255.255.224
[单选题]At which layer of the OSI model does the protocol that provides the information displayed by the "show cdp neighbors" command operate?
A. Transport
B. Physical
C. Application
D. Data link
E. Network
本文链接:https://www.zhukaozhuanjia.com/download/lgrk64.html