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OSI七层模型中,数据链路层的数据封装名称为（）标准访问控制列表应被放置的最佳位置是在（）。下列哪一设备工作时,要用到OSI的七个层（一层到七层）（）OSPF在同一区域内,下列说法正确的是（）OSI七层模型中,网络层
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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（）Which command on router EzonexamA will assign the last usable IP address from the 192.168.32.128/28 subne
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扩展ACL和标准ACL的区别（）。为了使配置私有IP的设备能够访问互联网,应采用的技术是()交换机的三大功能为（）What is the purpose of the spanning-tree algorithm in a switched LAN?OSI第二层数据封装完成后的名
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How can a Ezonexam administrator determine if a router has been configured when it is first powered up?TELNET工作在OSI哪一层（）交换机转发数据到目的地依靠()A configured router prompts for a password
A
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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（）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?As th
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An administrator issues the show ip interface s0/0 command and the output displays that interface Serial0/0 is up, line protocol is up.What does "line protocol is up" specifically indicate about the i
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命令“ping127.0.0.1”的功能是（）“InsideGlobal”地址在NAT配置里表示的是什么()What kind of cable should be used to establish a trunked line between two Catalyst switches?Which command on router EzonexamA
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After logging into a router and typing in a few show commands, you press the up arrow key. What will this do?Regarding the extended ping command; which of the statements below are true?(Select all val
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When you compare the differences between half-duplex and full-duplex Ethernet, which of the following characteristics are exclusive to half-duplex? (Select two answer choices)What kind of cable should
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某网络中,拟设计10子网,每个子网中放有14台设备,用IP地址段为199.41.10.X,请问符合此种规划的子网掩码是()路由器的配置文件startup-config存放在()里路由器“特权模式”的提示符是：（）255.255.255.0
255.255.240.0
2
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如果网络中的路由器都是cisco路由器,则优先选择哪一个路由协议（）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 & 6 are
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在路由器上,可以使用的命令有：()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 m
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While troubleshooting a connectivity problem on the network, you issue the ping command from your PC command prompt, but the output shows "request times out."At which OSI layer is this problem associa
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“ipaccess-group”命令在接口上缺省的应用方向是什么"（）。What kind of cable should be used to establish a trunked line between two Catalyst switches?in
具体取决于接口应用哪个访问控制列表
out#
无缺省值A
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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（）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（）Your network uses the172.12.0.0 class B
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命令“ping127.0.0.1”的功能是（）How can a Ezonexam administrator determine if a router has been configured when it is first powered up?OSPF在同一区域内,下列说法正确的是（）某网络中,拟设计10子网,每个子
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标准访问控制列表应被放置的最佳位置是在（）。An administrator issues the show ip interface s0/0 command and the output displays that interface Serial0/0 is up, line protocol is up.What does "line proto
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默认情况下,RIP定期发送路由更新的时间是（）两台路由器直连到一起,应该使用的线缆为（）关于帧中继的说法,正确的是（）You need to configure a default route on a Ezonexam router. Which command will configure
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下面有关交换机的描述中,正确的是（）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?所有交换
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Cisco IOS命令ip nat inside source static 10.1.1.5 172.35.16.5的作用是什么()With regard to Ethernet media access methods, which of the following are true?(Choose all that apply.)请选出交换机处理帧的三
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地址转换NAT的优点是()网关的功能（）TELNET工作在OSI哪一层（）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号为（）路由器的配置文件startup-config存放在()里OSI七层模型中,“段”是
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OSI七层模型中,数据链路层的数据封装名称为（）命令“ping127.0.0.1”的功能是（）比特
帧#
包
段测试网卡是否正常
测试网关是否正常
测试TCP/IP协议是否正常#
测试介质是否正常BC
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如果网络中的路由器都是cisco路由器,则优先选择哪一个路由协议（）交换机的三大功能为（）The Ezonexam corporate LAN consists of one large flat network. You decide to segment this LAN into two separate netw
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在启用IGRP协议时,所需要的参数是：()OSPF骨干区的区域编号为（）关于PPP和HDLC的说法中,错误的是（）网络掩码
子网号
自治系统号#
跳数0.0.0.1
255
0.0.0.0#
255.255.255.255PPP是通用协议,HDLC是CISCO私有协议
PPP
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You need to configure a default route on a Ezonexam router. Which command will configure a default route on a router?During the boot sequence, a Ezonexam 2800 series router needs to locate and load an
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交换机工作在OSI七层模型的哪一层()You wish to segment your LAN into multiple broadcast domains. Which technology method should you implement in order to do this?物理层
数据链路层#
网络层
传输层Transpar
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You are bringing up a new Ezonexam switch, and wish to connect it via a trunk to another switch from a different vendor, which uses the IEEE standard for the trunking method. When setting the encapsul
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掩码配置为：255.255.255.248,如果一台路由器同时运行了RIP和OSPF两种动态路由协议,因为RIP协议的优先级更高
在缺省的情况下,如果一台路由器同时运行了RIP和OSPF两种动态路由协议,则在路由表中只会显示OSPF发现的路
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扩展ACL和标准ACL的区别（）。下列对RIP的配置中,合法的命令是（）标准的ACL在禁止和允许方面比扩展的ACL更高的精度
扩展的ACL核查数据包的源地址和目标地址和端口号#
他们都可以查端口号
他们都可以查特殊协议和其
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TCP23是（）协议端口号；UDP69是（）端口号；TCP80是（）端口号。After working all night and successfully configuring a Cisco router for the Ezonexam network you save your changes on the startup config, r
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The Ezonexam network administrator issues the ping 192.168.2.5 command and successfully tests connectivity to a host that has been newly connected to the network. Which protocols were used during the
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当在一个接口上使用ipaccess-group99in命令时,以下哪条关于所引用访问控制列表的描述是正确的（）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（）为了使配
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OSPF在同一区域内,下列说法正确的是（）The Ezonexam corporate LAN consists of one large flat network. You decide to segment this LAN into two separate networks with a router. What will be the affect of
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为了连接“帧中继”线路,网络中的路由器需要提供的端口类型为（）You are bringing up a new Ezonexam switch, and wish to connect it via a trunk to another switch from a different vendor, which uses the IEEE
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You need to configure a default route on a Ezonexam router. Which command will configure a default route on a router?常见的LSA有几种类型()You are an administrator of the Ezonexam switched network and
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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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对于运行OSPF协议的路由器来说,RouterID是路由器的唯一标识,所以协议规定：必须保证RouterID在如下范围之内唯一（）。FTP工作在OSI哪一层（）In which Spanning-Tree states does a switch port learn MAC addresses
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OSI第二层数据封装完成后的名称是：()基本IP访问权限表的表号范围是：()In which Spanning-Tree states does a switch port learn MAC addresses? (Select two)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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Why is full-duplex Ethernet superior to its single-duplex counterpart? (Select two answer choices.)How could the Ezonexam corporation benefit from using VLANs on their network?(Select three answer cho
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配置路由器时,封装PPP协议的命令是：()路由器“特权模式”的提示符是：（）对交换机的描述,正确的是（）标准访问控制列表应被放置的最佳位置是在（）。下列哪一设备工作时,要用到OSI的七个层（一层到七层）（）Regardi
