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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
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
下面哪条命令是正确的，如果要将192.168.1.0/24的业务网段发到OSPF的area0（)A.Router(config-router)network 192.168.1.0 0.0.0.2550B.Router(config-router)network 192.168.1.0 0.0.0.255 area0C.Router(config-router)network 192.168.1.0 255.255.255.255 area0D.Router(config-router)network 1
After working on a router, some problems arise and you wish to view the commands that you recently entered. Which IOS command opens the history buffer and displays the most recently entered commands?A. Show historyB. Show buffersC. Show typed commandsD. S
在一个C类地址网段要划分出32个子网，下面那个子网掩码最适合（）A.255.255.255.252B.255.255.255.248C.255.255.255.240D.255.255.255.255
扩展IP访问权限表的表号范围是：()A.1—100B.1-99C.100-199D.800-899
R1上执行show ip interface brief命令的输出中显示接口S0/0/0状态码为“down”和“down”，那么以下哪种情况可能属实A.接口当前配置了shutdown命令B.R1的串行接口两端协议不同C.R1的串行接口没有安装串行电缆D.两台路由器的串行链路，只有一端配置了IP地址
访问控制列表在企业网络中的可能用途是下列哪两项（）A.控制调试输出B.降低路由器上的处理负载C.允许通过路由器过滤第2层流量D.控制虚拟终端对路由器的访问
与动态路由协议相比，静态路由有哪些优点?()A.带宽占用少B.简单C.路由器能自动发现网络拓扑变化D.路由器能自动计算新的路由
以下（）LSA类型是ASBR来宣告外部路由信息的。（）A.类型1B.类型2C.类型3D.类型4E.类型5
下列哪一设备工作时，要用到OSI的七个层（一层到七层）（）A.PCB.网管机C.WEB服务器D.交换机E.路由器
Why is full-duplex Ethernet superior to its single-duplex counterpart? (Select two answer choices.)A．It uses inexpensive hubsB．It operates without collisionsC．It operates on switchesD．It provides faster data transferE．It utilizes fewer wiring pairs
Which IOS user EXEC command will allow a network technician to determine which router in the path to an unreachable network host should be examined more closely for the cause of the network failure?A. EzonexamB telnetB. EzonexamB pingC. EzonexamB traceD
What is the subnet for the host IP address 172.16.210.0/22?A. 172.16.42.0B. 172.16.107.0C. 172.16.208.0D. 172.16.252.0E. 172.16.254.0F. None of the above
A host computer has been correctly configured with a static IP address, but the default ga
RIP路由在()时间内没有收到更新会标记为不可达路由()A.90sB.120sC.180sD.240s
In which Spanning-Tree states does a switch port learn MAC addresses? (Select two)A．BlockingB．ListeningC．ForwardingD．LearningE．Relaying
要确保交换机成为VLAN30的根网桥,可使用下面哪两个命令之一?() A.spanning-tree vlan 30 priority 0B.spanning-tree vlan 30 priority 16384C.spanning-tree vlan 30 root guaranteeD.spanning-tree vlan 30 root primary
IP地址为：192.168.50.70，掩码为：255.255.255.248，则该IP地址所在子网的子网有效IP为（）A.192.168.50.33---192.168.50.39B.192.168.50.41---192.168.50.50C.192.168.50.65---192.168.50.70D.192.168.50.66---192.168.50.75
PPP协议族中，()协议提供了对网络层的支持。A.IPCPB.LCPC.IPXCPD.SNA