- OSI七层模型中,“段”是哪一层数据封装的名称（）网络中经常使用“帧中继”服务,请选出帧中继的优点（）After working on a router, some problems arise and you wish to view the commands that you recently entered.
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Two stations on the Ezonexam LAN transmit at the same time, resulting in a collision. What happens when a collision occurs on the network? (Choose all that apply)两台路由器直连到一起,应该使用的线缆为
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应该使用的设备是（）It will recall the previous command line#
It will move the cursor one line up
It will redisplay the current command line
It will capitalize the command line
None of the above在缺省
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路由器“全局模式”的提示符为（）通配符掩码和子网掩码之间的关系是（）。OSI七层模型中,数据链路层的数据封装名称为（）IP地址为：192.168.50.70,掩码为：255.255.255.248,则该IP地址所在子网的广播地址为（）Which
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哪一个命令可以设置路由器特权用户的“明文密码”（）混合型协议既具有“距离矢量路由协议”的特性,又具有“链路状态路由协议”的特性,下列协议中属于混合型协议的是：()You need to describe the various types of flow c
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能够分配给设备的IP,应该是（）对交换机的描述,正确的是（）路由表中,某条路由的“路由代码为D”,则表明该路由为（）How many usable IP addresses can you get from a conventional Class C address?帧中继环境中,CIR
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The LAN needs are expanding at the Ezonexam corporate office, which is quickly growing. You are instructed to enlarge the area covered by a single LAN segment on the Ezonexam network.Which of the foll
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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?网络中经常使用“帧中继”服务,请
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IP扩展访问列表的数字标示范围是多少（）。在地址转换中,()用来规定哪些数据包需要进行地址转换网关的功能（）某台PC,能ping通路由器,但不能telnet到路由器,可能的原因是（）A Ezonexam switch is configured with a
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通过路由器的“配置端口console”对路由器进行配置,传输层的数据封装名称为（）There are 2 switches in the Ezonexam LAN, with no routers. Ports 1, 2 & 3 are assigned to VLAN 1 in switch 1 and 2 and ports 4,
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两个VLAN之间要想通信,应该使用的设备是（）对于使用链路状态路由协议的路由器如何选择最佳路线到达子网,下列哪项是正确的（）What are two results of entering the VESwitch(config)# vtp mode client command on
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A new Ezonexam switch is installed into an existing LAN and a new VTP trunk is set up with an existing switch. Which VLANs will be allowed on this new trunk?You are an administrator of the Ezonexam sw
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属于私有IP段的是()帧中继环境中,CIR的含义是（）路由器下,由一般用户模式进入特权用户模式的命令是：（）OSI七层模型中,网络层的数据封装名称为（）命令“ping127.0.0.1”的功能是（）The network administrator has
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配置路由器时,封装PPP协议的命令是：()如果把路由器的某个端口的IP配置为：192.168.10.64,掩码配置为：255.255.255.248,则该端口（）帧中继环境中,CIR的含义是（）下列哪一设备工作时,要用到OSI的七个层（一层到七层
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帧中继环境下,为了区分虚电路,应该使用的地址是（）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 su
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FTP工作在OSI哪一层（）What kind of cable should be used to establish a trunked line between two Catalyst switches?下列对访问控制列表的描述不正确的是（）。The Ezonexam network administrator needs to de
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通配符掩码和子网掩码之间的关系是（）。OSPF在同一区域内,下列说法正确的是（）命令ip nat pool aaa 192.1.1.2 192.1.1.10 netmask 255.255.255.0的作用是()Assuming you build networks to exact specifications,
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错误的是（）Ezonexam has implemented the use of the Virtual Trunking Protocol (VTP). Which statement below accurately describes a benefit of doing this?A Ezonexam PC has the IP address 172.16.209.10 /
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哪一个命令可以设置路由器特权用户的“明文密码”（）查看路由表的命令是：()There are 2 switches in the Ezonexam LAN, with no routers. Ports 1, 2 & 3 are assigned to VLAN 1 in switch 1 and 2 and ports 4, 5
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路由器“全局模式”的提示符为（）A Ezonexam technician is troubleshooting connectivity problems between two routers that are directly connected through the serial line. The technician notices that the se
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路由器下“特权用户模式”的标识符是：()The Ezonexam network administrator wants to ensure that only a single web server can connect to pot Fa0/1 on a catalyst switch. The server is plugged into the switc
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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?路由器“特权模式”的提示符是：（）IP地
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100baseT的速率是()Mbit/sSMTP工作在OSI哪一层（）标准访问控制列表应被放置的最佳位置是在（）。下面对Cisco2621路由器和Cisco2501路由器描述中,错误的是（）在地址转换中,()用来规定哪些数据包需要进行地址转换下
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交换机工作在OSI七层模型的哪一层()工作在OSI第三层的设备是：()RIP协议的管理距离是（）A Ezonexam technician is troubleshooting connectivity problems between two routers that are directly connected throug
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路由器上,命令“show int s0”的显示结果为：Serial0 is up,line protocol is down出现该结果的可能原因是（）A Ezonexam technician is troubleshooting connectivity problems between two routers that are directl
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NAT可以被用于完成多种功能,以下不属于其功能的是：（）配置路由器特权用户“加密密码”的命令是：()You are an administrator of the Ezonexam switched network and your goal is to reduce some of the administrat
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介质工作在OSI的哪一层（）After connecting a PC to an available port on a switch, you find that the PC can not access any of the resources on the LAN. No other PC's connected to the switch appear to be
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要把交换机的配置文件保存到tftp服务器,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）（）CDP is being used throughout the Ezonexam network. What are two reasons wh
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标准访问控制列表的数字标识范围是（）。At which layer of the OSI model does the protocol that provides the information displayed by the "show cdp neighbors" command operate?帧中继环境下,为了区分虚电路,
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Which of the following are types of flow control? (Choose three)下列路由协议中,属于链路状态路由协议的是（）要把交换机的配置文件保存到tftp服务器,应使用的命令为（）网络中经常使用“帧中继”服务,请选出帧中
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After connecting a PC to an available port on a switch, you find that the PC can not access any of the resources on the LAN. No other PC's connected to the switch appear to be having any issues. What
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The Ezonexam network administrator has just issued the "switchport trunk native vlan 998" command on switch VE2. What is the function of this command?路由器上,命令“show int s0”的显示结果为：Serial0 is
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“InsideGlobal”地址在NAT配置里表示的是什么()OSPF在同一区域内,下列说法正确的是（）You want to upgrade the Ezonexam LAN so that all ports operate in full duplex mode. Which statement is true about full-d
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RIP路由协议认为“网络不可到达”的跳数是：()标准访问控制列表应被放置的最佳位置是在（）。“ipaccess-group”命令在接口上缺省的应用方向是什么"（）。In which Spanning-Tree states does a switch port learn MAC a
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以下特殊区域中哪一个没有自动下发缺省路由（）交换机转发数据到目的地依靠()工作在OSI第三层的设备是：()在路由器上,可以使用的命令有：()交换机的三大功能为（）In which Spanning-Tree states does a switch port
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要用到OSI的七个层（一层到七层）（）属于私有IP段的是()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IP”的选项：()基本IP访问权限表的表号
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在路由器上,命令show access-list的功能是（）扩展ACL和标准ACL的区别（）。路由器上,命令“show int s0”的显示结果为：Serial0 is up,line protocol is down出现该结果的可能原因是（）哪个ACL可允许主机10.220.158.
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访问控制列表分为标准和扩展两种。下面关于ACL的描述中,错误的是()。A Ezonexam PC has the IP address 172.16.209.10 /22. What is the subnet of this address?Why might the Ezonexam network administrator set
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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IP”的选项：()TCP23是（）协议端口号；UDP69是（）端口号；TCP80是（）端口号。As a Ezonexam trainee you are required to set the default ga
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In which Spanning-Tree states does a switch port learn MAC addresses? (Select two)当配置一个CISCO的路由器时,缺省的DR和BDR优先级是（）。在路由器上,命令show access-list的功能是（）关于帧中继的说法,正确
