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  • 2021计算机思科认证试题试卷(1S)

    在路由器上,可以使用的命令有:()能够分配给设备的IP,应该是()常见的LSA有几种类型()ping# show interfaces# show ip route# ipconfig wincfg网络有效IP# 网络号 网络广播地址 任意IP4 5 6# 7ABCAC
  • 计算机2021思科认证网络工程师历年考试试题及答案(9R)

    Which of the following statements correctly describe the differences between half-duplex and full-duplex Ethernet? (Select two answer choices.)把指定端口添加到VLAN的命令是:()在地址转换中,()用来规定哪
  • 2021思科认证网络工程师历年考试试题(7R)

    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()。以下特殊区域中哪一个没有自动下发缺省路由()The Ezonexam network administrator issues the ping 192.168.2.5 command and successfully test
  • 2021思科认证考试试题(6R)

    备份路由器IOS的命令是:()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.
  • 思科认证网络工程师2021考试试题库(9Q)

    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()OSI七层模型中,传输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()。FastEthernet Serial# BRI Ethernet比特 帧 包 段#越靠近数据
  • 2021计算机思科认证证书考试试题解析(7Q)

    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?The Ezonexam network administrato
  • 2021计算机思科认证网络工程师历年考试试题试卷(3Q)

    How can a Ezonexam administrator determine if a router has been configured when it is first powered up?The Ezonexam network administrator wants to ensure that only a single web server can connect to p
  • 2021思科认证证书考试试题解析(0Q)

    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?要把交换机的配置文件保存到tftp服务器,
  • 2021计算机思科认证历年考试试题及答案(8P)

    在OSI七层模型中,介质工作在哪一层()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)()当拓扑信息完成交换,相邻路由器具有相同的LSDB时,下列哪
  • 思科认证网络工程师2021试题试卷(4P)

    工作在OSI第三层的设备是:()What kind of cable should be used to establish a trunked line between two Catalyst switches?Why is full-duplex Ethernet superior to its single-duplex counterpart? (Select tw
  • 思科认证2021考试试题解析(6O)

    Regarding DHCP (dynamic host configuration protocol), which two of the following choices below are true? (Select two answer choices)两台路由器直连到一起,应该使用的线缆为()Which of the following stat
  • 2021计算机思科认证网络工程师历年考试试题下载(4O)

    网络中经常使用“帧中继”服务,请选出帧中继的优点()哪一个命令可以设置路由器特权用户的“明文密码”()把指定端口添加到VLAN的命令是:()偷占带宽# 提供拥塞管理机制# 可以使用任意广域网协议 灵活的接入方式#enabl
  • 计算机2021思科认证网络工程师考试试题试卷(0O)

    OSI七层模型中,物理层的数据封装名称为()RIP协议负载均衡的路径数量为()Why is full-duplex Ethernet superior to its single-duplex counterpart? (Select two answer choices.)比特# 帧 包 段无限制 最多4条
  • 计算机2021思科认证历年考试试题(1N)

    对路由器的描述,正确的是()At which layer of the OSI model does the protocol that provides the information displayed by the "show cdp neighbors" command operate?两台路由器直连到一起,应该使用的线缆为(
  • 2021思科认证历年考试试题及答案(9M)

    What kind of cable should be used to establish a trunked line between two Catalyst switches?The Ezonexam network administrator issues the ping 192.168.2.5 command and successfully tests connectivity t
  • 思科认证工程师2021考试试题下载(8M)

    路由器“特权模式”的提示符是:()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()After connecting a PC to an available port on a switch, you find that
  • 计算机2021思科认证工程师历年考试试题汇总(0M)

    网络中经常使用“帧中继”服务,请选出帧中继的优点()路由器的配置文件startup-config存放在()里地址转换NAT的优点是()偷占带宽# 提供拥塞管理机制# 可以使用任意广域网协议 灵活的接入方式#RAM ROM FLASH NVRAM#地址
  • 计算机2021思科认证历年考试试题及答案(9L)

    TELNET工作在OSI哪一层()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()The Ezonexam network administrator needs to a switch named VE1 to become the root bridge for a red
  • 2021计算机思科认证工程师历年考试试题汇总(6L)

    Which of the following statements correctly describe the differences between half-duplex and full-duplex Ethernet? (Select two answer choices.)通配符掩码和子网掩码之间的关系是()。You are given a PC,
  • 思科认证网络工程师2021历年考试试题下载(3L)

    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
  • 2021思科认证历年考试试题集锦(2L)

    当拓扑信息完成交换,相邻路由器具有相同的LSDB时,下列哪项OSPF邻居状态是希望得到的()要把交换机的配置文件保存到tftp服务器,应使用的命令为()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:255.2
  • 2021思科认证证书历年考试试题及答案(8K)

    Why is full-duplex Ethernet superior to its single-duplex counterpart? (Select two answer choices.)关于OSPF中DR的说法不正确的是()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
  • 思科认证网络工程师2021历年考试试题汇总(7K)

    You need to perform. some initial configuration tasks on a new Ezonexam switch. What is the purpose of assigning an IP address to a switch?某台PC,能ping通路由器,但不能telnet到路由器,可能的原因是()OS
  • 2021计算机思科认证工程师考试试题解析(4K)

    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?A Ezonexam PC has the IP address 172.16.209.10 /22. What is the subnet
  • 计算机2021思科认证网络工程师考试试题试卷(2K)

    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()OSPF在同一区域内,下列说法正确的是()网络中经常使用“帧中继”服务,请选出帧中继的优点()network 10.0.0.
  • 计算机2021思科认证网络工程师考试试题库(5J)

    交换机转发数据到目的地依靠()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10.220.158.10访问web服务器192.168.3.244()路由表 MAC地
  • 计算机2021思科认证工程师试题题库(1J)

    以下特殊区域中哪一个没有自动下发缺省路由()下列对RIP的配置中,合法的命令是()When is a switched network that is running the Spanning Tree Protocol considered to be fully converged?末梢区域 完全末梢区
  • 思科认证网络工程师2021历年考试试题下载(0J)

    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()为了禁止网络210.93.105.0ftp到网络223.8.151.0,允许其他信息传输,则能实现该功能的选项是:()当拓扑信息完成交换,相邻
  • 2021思科认证证书考试试题解析(7I)

    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?路由器“路由模式”的提示符号是()A Ezonexam
  • 思科认证证书2021往年考试试题(1I)

    基本IP访问权限表的表号范围是:()OSPF骨干区的区域编号为()After working on a router, some problems arise and you wish to view the commands that you recently entered. Which IOS command opens the histor
  • 2021计算机思科认证网络工程师考试试题下载(2G)

    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
  • 思科认证工程师2021试题题库(1G)

    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
  • 计算机2021思科认证考试试题及答案(0G)

    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
  • 计算机2021思科认证工程师历年考试试题试卷(7F)

    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
  • 2021思科认证考试试题试卷(5F)

    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
  • 计算机2021思科认证证书考试考试试题试卷(2F)

    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
  • 2021计算机思科认证考试试题及答案(1F)

    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
  • 思科认证证书2021历年考试试题及答案(0F)

    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
  • 计算机2021思科认证网络工程师考试试题试卷(5E)

    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
  • 思科认证网络工程师2021试题题库(4E)

    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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