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Assuming you build networks to exact specifications, what is the recommended maximum length a 10BaseT cable can be before it has to be segmented or repeated?You have a class C network, and you need to
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What kind of cable should be used to establish a trunked line between two Catalyst switches?NAT可以被用于完成多种功能,以下不属于其功能的是:()A straight-through cable
An EIA/TIA-232 serial cable
An
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帧中继环境中,CIR的含义是()哪个命令可以成功测试网络:()提高线路速率
保证线路速率#
降低线路速率
配置线路速率Router>ping192.5.5.0
Routerping192.5.5.30#
Router>ping192.5.5.256
Routerping192.5.5.255BB
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At which layer of the OSI model does the protocol that provides the information displayed by the "show cdp neighbors" command operate?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:255.25
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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:()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
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OSI七层模型中,网络层的数据封装名称为()默认情况下,IGRP衡量路径好坏时,考虑的因素为()比特
帧
包#
段带宽#
可靠性
最大传输单元
延时#CAD
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在路由器上,命令show access-list的功能是()默认情况下,RIP定期发送路由更新的时间是()显示访问控制列表内容#
显示路由表内容
显示端口配置信息
显示活动配置文件15S
30S#
60S
90SAB
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对交换机的描述,正确的是()下面对Cisco2621路由器和Cisco2501路由器描述中,错误的是()单广播域,单冲突域的设备
单广播域,多冲突域的设备#
多广播域,单冲突域的设备
多广播域,多冲突域的设备Cisco2621路由器的可
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以下()LSA类型是ASBR来宣告外部路由信息的。()请选出交换机处理帧的三种模式:()类型1
类型2
类型3
类型4
类型5#直通模式#
存储转发模式#
侦测模式
分段模式
阻塞模式#EABE
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网络中经常使用“帧中继”服务,请选出帧中继的优点()关于OSPF中DR的说法不正确的是()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#通过hello报文选举DR
如果某路由器优先级比DR优先级高,但
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Which one of the following characteristics is true regarding the use of hubs and switches?路由器上的命令“show version”的功能是()Hubs can have their ports be configured with VLANs
Using hubs is costl
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路由器“全局模式”的提示符为()在OSPF的DR/BDR选举过程中,在路由器有相同的接口优先级情况下,什么用于确定DR或BDR()>
(config)#
(config-router)最高的OSPF进程ID
最低的接口IP地址
最低的接口开销
路由器ID#CD
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100baseT的速率是()Mbit/sIP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)()1
10
100#
10008
30#
6
14CB
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“ipaccess-group”命令在接口上缺省的应用方向是什么"()。交换机转发数据到目的地依靠()in
具体取决于接口应用哪个访问控制列表
out#
无缺省值路由表
MAC地址表#
访问权限表
静态列表CB
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当配置一个CISCO的路由器时,缺省的DR和BDR优先级是()。What is the purpose of the spanning-tree algorithm in a switched LAN?0
1#
16
255To provide a monitoring mechanism for networks in switched environm
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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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备份路由器IOS的命令是:()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有效IP为()copy flash tftp#
copy running-configt ftp
copy IOS tftp
copy startup-configt ftp192.168.50.
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能够分配给设备的IP,应该是()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:()网络有效IP#
网络号
网络广播地址
任意IPRIP
OSPF
EIGRP#
IGRPAC
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On a half-duplex Ethernet LAN, two hosts attempt to send data simultaneously, resulting in a collision. Following this collision, what will the hosts do? (Select all valid answers)以下()LSA类型是ASB
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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()。网关的功能()网段内
区域内
自治系统内#
整个因特网过滤数据包
不同网段通信#
校验数据帧
把数
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Regarding DHCP (dynamic host configuration protocol), which two of the following choices below are true? (Select two answer choices)What is the purpose of the Spanning Tree Protocol (STP)?The DHCP Dis
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下面对Cisco2621路由器和Cisco2501路由器描述中,错误的是()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?Cisco2621路由器的可扩展性
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下面哪个操作可以使访问控制列表真正生效()。On the topic of VLSM, which one of the following statements best describes the concept of the route aggregation?将访问控制列表应用到接口上#
定义扩展访问控制
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OSPF在同一区域内,下列说法正确的是()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()每台路由器生成的LSA都是相同的
每台路由器的LSDB(链路状态数据库)都是相同的#
每台路由器根据该LSDB计算出
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On a half-duplex Ethernet LAN, two hosts attempt to send data simultaneously, resulting in a collision. Following this collision, what will the hosts do? (Select all valid answers)After working on a r
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两台路由器直连到一起,应该使用的线缆为()TCP23是()协议端口号;UDP69是()端口号;TCP80是()端口号。交叉线缆#
直通线缆
反转线缆
任意线缆TELNET FTP HTTP
FTPT FTP HTTP
TELNET TFTP HTTP#
TELNET DNS HTT
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对于路由表,下列说法中正确的是:()下列关于路由器和交换机的描述中,错误的是()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,如果一台路由器同时运行了RIP和OSPF两种动态路由协议,如果一
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在路由器上,命令show access-list的功能是()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? (C
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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()How can a Ezonexam administrator determine if a router has been configured when it is first powered up?192.168.50.32
192
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While troubleshooting a connectivity issue from a PC you obtain the following information:Local PC IP address: 190.0.3.35/24当配置一个CISCO的路由器时,缺省的DR和BDR优先级是()。Default Gateway: 190.0.
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帧中继环境中,在物理端口上,建立子接口的命令是()The Ezonexam network administrator needs to determine what LAN devices to install on the Ezonexam network. What are two advantages of using Layer 2 Ethe
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路由器当前的模式为“端口模式”,要退回到“特权模式”,应该使用的快捷键为()关于帧中继的说法,正确的是()ctrl+b
ctrl+z#
ctrl+c
ctrl+p速率最大为1Mbit/s
不提供差错校验功能
可以偷占带宽#
数据传输质量高于DDNBC
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介质100BaseT的最大传输距离是:()在启用IGRP协议时,所需要的参数是:()10m
100m#
1000m
500m网络掩码
子网号
自治系统号#
跳数BC
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下面哪个操作可以使访问控制列表真正生效()。After logging into a router and typing in a few show commands, you press the up arrow key. What will this do?将访问控制列表应用到接口上#
定义扩展访问控制列
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交换机工作在OSI七层模型的哪一层()标准访问控制列表的数字标识范围是()。物理层
数据链路层#
网络层
传输层1-50
1-99#
1-100
1-199BB
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OSI第二层数据封装完成后的名称是:()PPP工作在OSI的哪一层()比特
包
帧#
段物理层
数据链路层#
网络层
传输层CB
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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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要把交换机的配置文件保存到tftp服务器,应使用的命令为()OSI七层模型中,“包”是哪一层数据封装的名称()copy ios tftp
copy running-configt ftp#
copy flash tftp
copy config tftp物理层
数据链路层
网络层#
传
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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 this change?OSPF在同一区域内,下列说法
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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()Why might the Ezonexam network administrator set the configuration register to 0x2142 on a 2600 series Cisco router?IP地址
MAC地址
DLCI#
IPX地址To boot