请参见图示图中显示了在路由器R1上发出show ip route命令后的输出对于发往192.168.1.5的数据包，该路由器会采取什么操作()

A.它会丢弃数据包

B.它会将数据包转发到接口Serial 0/0/0

C.它会通过路由协议为数据包确定路由

D.它会将数据包转发到默认网关

A.show license

B.show license feature

C.snow license udi

D.show version

在OSI七层模型中，介质工作在哪一层()

A.传输层

B.会话层

C.物理层

D.应用层

配置访问控制列表必须做的配置是（）

A.设定时间段

B.指定日志主机

C.定义访问控制列表

D.在接口上应用访问控制列表

The Ezonexam LAN is upgrading all devices to operate in full duplex. Which statement is true about full-duplex Ethernet in comparison to half-duplex Ethernet?

A．Full-duplex Ethernet uses two wires to send and receive. Half-duplex Ethernet uses one wire to send and receive

B．Full-duplex Ethernet consists of a shared cable segment. Half-duplex Ethernet provides a point-to-point link

C．Full-duplex Ethernet can provide higher throughout 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

When comparing and contrasting the similarities and differences between bridges and switches, which of the following are valid statements? Choose all the valid answer choices)

A. Bridges are faster than switches because they have fewer ports.

B. A switch is a multiport bridge,

C. Bridges and switches learn MAC addresses by examining the source MAC address of each frame. received.

D. A bridge will forward a broadcast but a switch will not.

E. Bridges and switches increase the size of a collision domain.

F. None of the above statements are true.

对于以下NAT语句描述正确的是（）

A.只对192.168.10.0/24的网段的地址进行转换

B.NAT中的静态转换语句与PAT有冲突

C.68.10.14.2是外部全局地址

D.F0/1是外部接口，F0/0是内部接口

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

在路由器上，可以使用的命令有：()

A.ping

B.show interfaces

C.show ip route

D.ipconfig

E.wincfg

OSPF的度量值是什么()

A.跳数

B.接口开销

C.矢量距离

D.链路状态

Which layer of the OSI reference model is responsible for ensuring reliable end-to-end delivery of data?

A. Application

B. Presentation

C. Session

D. Transport

E. Network

F. Data-Link