
【名词&注释】
路由器(router)、交换机(switch)、物理层(physical layer)、数据链路层(data link layer)、网络流量控制(network traffic control)
[单选题]路由器上端口fa0/0,其最大传输速率是()Mbit/s
A. 128
B. 10
C. 100
D. 1000
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举一反三:
[单选题]What is the purpose of the Spanning Tree Protocol (STP)?
A. To prevent routing loops
B. To create a default route
C. To provide multiple gateways for hosts
D. To maintain a loop-free Layer 2 network topology
E. To enhance the functions of SNMP
[单选题]The network administrator has configured port security on a Ezonexam switch. Why would a network administrator configure port security on this Ezonexam device?
A. To prevent unauthorized hosts from getting access to the LAN
B. To limit the number of Layer 2 broadcasts on a particular switch port
C. To prevent unauthorized Telnet or SSH access to a switch port
D. To prevent the IP and MAC address of the switch and associated ports
E. None of the above
[多选题]请选出交换机处理帧的三种模式:()
A. 直通模式
B. 存储转发模式
C. 侦测模式
D. 分段模式
E. 阻塞模式
[单选题]NAT可以被用于完成多种功能,以下不属于其功能的是:()
A. 转换内部局部地址
B. 内部全局地址复用
C. TCP负载均衡
D. 内部网络流量控制(network traffic control)
[单选题]介质工作在OSI的哪一层()
A. 物理层
B. 数据链路层
C. 网络层
D. 传输层
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