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在OSI七层模型中,介质工作在哪一层()哪一个命令可以设置路由器特权用户的“明文密码”（）The network administrator has configured port security on a Ezonexam switch. Why would a network administrator configu
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Ezonexam has implemented the use of the Virtual Trunking Protocol (VTP). Which statement below accurately describes a benefit of doing this?You have just purchased a brand new router and wish to have
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下列哪个network命令会告知此路由器开始使用IP地址为10.1.1.1、10.1.100.1和10.1.120.1的接口上的OSPF（）基本IP访问权限表的表号范围是：()network 10.0.0.0 255.0.0.0 area 0
network 10.0.0.0 0.255.255.255 area
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要退回到“特权模式”,由一般用户模式进入特权用户模式的命令是：（）The IP network 210.106.14.0 is subnetted using a /24 mask. How many usable networks and host addresses can be obtained from this?路由器“
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Ezonexam is migrating to a private IP addressing scheme. Which of the following describe the use of private IP addresses? (Choose two)In which Spanning-Tree states does a switch port learn MAC address
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通配符掩码和子网掩码之间的关系是（）。配置路由器特权用户“加密密码”的命令是：()You have a class C network, and you need to design it for 5 usable subnets with each subnet handling a minimum of 18 hosts
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下面有关交换机的描述中,正确的是（）路由器上,设置端口速率的命令是（）所有交换机都支持VLAN功能
交换机端口数量最多为48口
交换机独占带宽#
交换机端口的最大速率为100Mbit/sclock rate
bandwidth#
set
encapCB
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TELNET工作在OSI哪一层（）备份路由器IOS的命令是：()Which of the following steps are necessary in order to add a new VLAN to the Ezonexam switched network? (Select all that apply)网络中经常使用DDN服务,
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Which type of cable should be used to make a connection between the Fa0/0 port on a router and the Fa0/0 port switch?网络中经常使用“帧中继”服务,请选出帧中继的优点（）FTP工作在OSI哪一层（）为了使配置私
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某台PC,能ping通路由器,但不能telnet到路由器,可能的原因是（）交换机转发数据到目的地依靠()对于IP为199.41.27.0,子网掩码为255.255.255.240,则该IP地址和子网掩码相作用会得到一系列IP,从下列选项中选出属于“有效I
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The Ezonexam network administrator needs to a switch named VE1 to become the root bridge for a redundant path switched network. What can be done to ensure that VE1 will always assume the role as the r
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下列哪个network命令会告知此路由器开始使用IP地址为10.1.1.1、10.1.100.1和10.1.120.1的接口上的OSPF（）PPP工作在OSI的哪一层（）network 10.0.0.0 255.0.0.0 area 0
network 10.0.0.0 0.255.255.255 area 0#
netw
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要把交换机的配置文件保存到tftp服务器,应使用的命令为（）What is the purpose of the spanning-tree algorithm in a switched LAN?You have a class C network, and you need to design it for 5 usable subnets w
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How could the Ezonexam corporation benefit from using VLANs on their network?(Select three answer choices.)What is the purpose of the Spanning Tree Protocol (STP)?VLANs allow access to network service
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对交换机的描述,正确的是（）A receiving host has failed to receive all of the segments that it should acknowledge.What can the host do to improve the reliability of this communication session?Using a s
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Regarding DHCP (dynamic host configuration protocol), which two of the following choices below are true? (Select two answer choices)哪个命令可以成功测试网络：()You wish to segment your LAN into multip
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网络中经常使用DDN服务,请选出DDN的优点（）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?Wh
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Which of the following statements correctly describe the differences between half-duplex and full-duplex Ethernet? (Select two answer choices.)对于运行OSPF协议的路由器来说,RouterID是路由器的唯一标识,
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在路由器上,命令show access-list的功能是（）Why is full-duplex Ethernet superior to its single-duplex counterpart? (Select two answer choices.)两台路由器直连到一起,应该使用的线缆为（）After working all
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Your network uses the172.12.0.0 class B address. You need to support 459 hosts per subnet, while accommodating the maximum number of subnets. Which mask would you use?下列路由协议中,属于链路状态路由协
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After working all night and successfully configuring a Cisco router for the Ezonexam network you save your changes on the startup config, reboot the router, and go out for a cigarette. When you return
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配置路由器时,封装PPP协议的命令是：()通过路由器的“配置端口console”对路由器进行配置,应该使用的线缆为（）标准访问控制列表的数字标识范围是（）。帧中继环境中,CIR的含义是（）A Ezonexam PC has the IP address
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标准访问控制列表应被放置的最佳位置是在（）。地址转换NAT的优点是()关于静态NAT,下面（）说法是正确的。Which type of cable should be used to make a connection between the Fa0/0 port on a router and the Fa
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交换机的三大功能为（）地址转换NAT的优点是()地址学习#
转发过滤#
消除回路#
发送数据包地址转换对于报文内容中含有有用的地址信息的情况很难处理
地址转换可以缓解地地址短缺的问题#
地址转换不能处理IP报头加密的
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IP地址为：192.168.50.70,掩码为：255.255.255.248,则该IP和掩码结合,共划分了多少个子网（不包括全0子网和全1子网）（）The Ezonexam network administrator needs to a switch named VE1 to become the root bridg
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Ezonexam is migrating to a private IP addressing scheme. Which of the following describe the use of private IP addresses? (Choose two)为了查看路由器的E0端口上,是否挂接了访问权限表,应该使用的命令是（）
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You have just purchased a brand new router and wish to have the router prompt you through the initial configuration commands. Which router mode does this describe?A new Ezonexam switch is installed in
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网络中经常使用DDN服务,请选出DDN的优点（）VLAN主干协议VTP的默认工作模式是()传输质量高#
接入方式灵活
偷占带宽
使用虚电路#
专用线路#服务器模式#
客户端模式
透明模式
以上三者都不是ADEA
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What is the purpose of the spanning-tree algorithm in a switched LAN?TELNET工作在OSI哪一层（）网络中经常使用DDN服务,请选出DDN的优点（）对于运行OSPF协议的路由器来说,RouterID是路由器的唯一标识,所以协议
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在配置帧中继子接口时,在物理接口上应该配置的内容是：()两个VLAN之间要想通信,应该使用的设备是（）把指定端口添加到VLAN的命令是：()路由器的配置文件startup-config存放在()里With regard to Ethernet media acce
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A Ezonexam switch is configured with all ports assigned to VLAN 2. In addition, all ports are configured as full-duplex FastEthernet. What is the effect of adding switch ports to a new VLAN on this sw
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默认情况下,IGRP衡量路径好坏时,考虑的因素为（）交换机转发数据到目的地依靠()要把交换机的配置文件保存到tftp服务器,应使用的命令为（）带宽#
可靠性
最大传输单元
延时#路由表
MAC地址表#
访问权限表
静态列表cop
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关于OSPF中DR的说法不正确的是（）You are given a PC, a router, and a cable. Select the correct combination that will allow you to log into router VE1 locally using a terminal emulation program such as
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You are given a PC, a router, and a cable. Select the correct combination that will allow you to log into router VE1 locally using a terminal emulation program such as HyperTerminal.对于使用链路状态路
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The 201.145.32.0 network is subnetted using a /26 mask. How many networks and IP hosts per network exists using this subnet mask?You need to describe the various types of flow control to your co-worke
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A Ezonexam switch is configured with all ports assigned to VLAN 2. In addition, all ports are configured as full-duplex FastEthernet. What is the effect of adding switch ports to a new VLAN on this sw
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IP地址为：192.168.50.70,掩码为：255.255.255.248,则该IP和掩码结合划分子网时,每个子网的容量为（）“ipaccess-group”命令在接口上缺省的应用方向是什么"（）。8
4
12
6#in
具体取决于接口应用哪个访问控制列表
out
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路由器的配置文件startup-config存放在()里During the boot sequence, a Ezonexam 2800 series router needs to locate and load an operating system. What is the default order the router uses to find an opera
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交换机转发数据到目的地依靠()You have just purchased a brand new router and wish to have the router prompt you through the initial configuration commands. Which router mode does this describe?The LAN n
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能够分配给设备的IP,应该是（）Why is full-duplex Ethernet superior to its single-duplex counterpart? (Select two answer choices.)对于IP为199.41.27.0,子网掩码为255.255.255.240,则该IP地址和子网掩码相作用
