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  • 2021思科认证工程师考试试题(6AB)

    TCP23是()协议端口号;UDP69是()端口号;TCP80是()端口号。Two stations on the Ezonexam LAN transmit at the same time, resulting in a collision. What happens when a collision occurs on the network?
  • 思科认证工程师2021模拟考试系统285

    查看路由表的命令是:()路由器上激活端口的命令是()属于私有IP段的是()Why might the Ezonexam network administrator set the configuration register to 0x2142 on a 2600 series Cisco router?扩展ACL和标准ACL
  • 2021计算机思科认证工程师冲刺密卷答案解析(10.13)

    路由器上激活端口的命令是()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
  • 2021思科认证网络工程师每日一练在线模考(10月13日)

    With regard to Ethernet media access methods, which of the following are true?(Choose all that apply.)When you compare the differences between half-duplex and full-duplex Ethernet, which of the follow
  • 2021思科认证网络工程师模拟冲刺试卷282

    交换机上VLAN的功能描述中,正确的是()能够分配给设备的IP,应该是()关于OSPF中DR的说法不正确的是()What is the purpose of the spanning-tree algorithm in a switched LAN?关于帧中继的说法,正确的是()A Ez
  • 2021计算机思科认证证书考试历年试题(10月10日)

    OSI七层模型中,物理层的数据封装名称为()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
  • 2021计算机思科认证证书冲刺密卷多选题正确答案(10.10)

    交换机上VLAN的功能描述中,正确的是()You need to describe the various types of flow control to your co-workers. Which of the following are types of flow control that can be used in a network? (Choose
  • 计算机2021思科认证工程师历年考试试题试卷(3AB)

    路由器上端口fa0/0,其最大传输速率是()Mbit/sAfter 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
  • 计算机2021思科认证网络工程师模拟在线题库279

    在路由表中到达同一网络的路由有:静态路由、RIP路由、IGRP路由,OSPF路由,则路由器会选用哪条路由传输数据:()The Ezonexam corporate LAN consists of one large flat network. You decide to segment this LAN int
  • 思科认证证书2021考试考试试题试卷(0AB)

    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()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()An administrator issues the show ip in
  • 2021思科认证冲刺密卷答案解析(10.07)

    The Ezonexam network administrator has issued the "VTP password ezonexam" command on a Cisco device. What is the purpose of this command?A new Ezonexam switch is installed into an existing LAN and a n
  • 2021计算机思科认证工程师考试历年试题(10月07日)

    Why might the Ezonexam network administrator set the configuration register to 0x2142 on a 2600 series Cisco router?You wish to segment your LAN into multiple broadcast domains. Which technology metho
  • 思科认证证书2021每日一练海量练习(10月06日)

    在OSPF的完全存根区域中,使用以下哪种LSAType报文或其它方式与区域间通信:()A Ezonexam PC has the IP address 172.16.209.10 /22. What is the subnet of this address?扩展IP访问权限表的表号范围是:()为了阻
  • 2021思科认证考试试题试卷(9AA)

    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?查看E0端口配置信息的命令是:()The network a
  • 2021计算机思科认证网络工程师试题专家解析(10.06)

    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)()You are given a PC, a router, and a cable. Select the correct combination that will all
  • 2021计算机思科认证免费模拟考试题278

    命令“ping127.0.0.1”的功能是()IP扩展访问列表的数字标示范围是多少()。You need to configure a default route on a Ezonexam router. Which command will configure a default route on a router?以下()LSA
  • 2021思科认证考试试题库(5AA)

    交换机转发数据到目的地依靠()在路由器上,可以使用的命令有:()默认情况下,RIP定期发送路由更新的时间是()路由表 MAC地址表# 访问权限表 静态列表ping# show interfaces# show ip route# ipconfig wincfg15S 30S#
  • 思科认证证书2021易错易混每日一练(10月02日)

    OSI七层模型中,数据链路层的数据封装名称为()下列关于路由器和交换机的描述中,错误的是()以下特殊区域中哪一个没有自动下发缺省路由()After logging into a router and typing in a few show commands, you pr
  • 2021计算机思科认证证书冲刺密卷案例分析题答案+解析(10.02)

    You wish to segment your LAN into multiple broadcast domains. Which technology method should you implement in order to do this?路由表中,某条路由的“路由代码为D”,则表明该路由为()Transparent bridging C
  • 2021计算机思科认证工程师模拟冲刺试卷274

    可能的原因是()100baseT的速率是()Mbit/sCDP is being used throughout the Ezonexam network. What are two reasons why the Ezonexam network administrator would use CDP? (Choose two)You are given a PC, a
  • 2021计算机思科认证证书冲刺密卷详细解析(09.24)

    通配符掩码和子网掩码之间的关系是()。A Ezonexam PC has the IP address 172.16.209.10 /22. What is the subnet of this address?两者没有什么区别# 通配符掩码和子网掩码恰好相反 一个是十进制的,另一个是十六
  • 2021思科认证考试试题及答案(7Z)

    FTP工作在OSI哪一层()常见的LSA有几种类型()You are a senior network administrator at Ezonexam, and while performing the password recovery procedure on your 2500 series Cisco router, you type in the fo
  • 计算机2021思科认证工程师提分加血每日一练(09月24日)

    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()。扩展ACL和标准ACL的区别()。工作在OSI第三层的设备是:()OSI七层模型中,“包”是哪一层数据封装的名称()交换机工作在OSI七层模型的哪一层()标准
  • 2021计算机思科认证模拟考试库266

    错误的是()路由器当前的模式为“端口模式”,要退回到“特权模式”,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)()When is a switched network that is running the Span
  • 计算机2021思科认证网络工程师职称晋升每日一练(09月23日)

    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
  • 2021计算机思科认证试题题库(6Z)

    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
  • 思科认证证书2021试题多选答案+解析(09.23)

    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
  • 2021计算机思科认证网络工程师考试题265

    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“
  • 2021计算机思科认证网络工程师职称晋升每日一练(09月21日)

    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
  • 2021思科认证网络工程师考试考试试题试卷(4Z)

    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
  • 2021思科认证试题共用题干题解析(09.21)

    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
  • 思科认证证书2021模拟考试题免费下载263

    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,
  • 思科认证2021人机对话每日一练(09月18日)

    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
  • 思科认证工程师2021往年考试试卷(1Z)

    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
  • 2021计算机思科认证证书模拟系统260

    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
  • 2021思科认证试题专家解析(09.18)

    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
  • 思科认证2021模拟考试库259

    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
  • 2021计算机思科认证冲刺密卷正确答案(09.17)

    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
  • 2021思科认证网络工程师提分加血每日一练(09月17日)

    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
  • 思科认证2021试题题库(0Z)

    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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