- 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（）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（）ctrl+b
ctrl+z#
ctrl+c
ctrl+pRIP
EIGRP#
IGRP
OSPFBB
- 介质100BaseT的最大传输距离是：()At which layer of the OSI model does the protocol that provides the information displayed by the "show cdp neighbors" command operate?10m
100m#
1000m
500mTransport
Phys
- 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()。关于PPP和HDLC的说法中,错误的是（）标准ACL可以根据分组中的IP源地址进行过滤
扩展ACL可以根据分组中的IP目标地址进行过滤
标准ACL可以根据分组
- OSI七层模型中,网络层的数据封装名称为（）下面哪个操作可以使访问控制列表真正生效（）。比特
帧
包#
段将访问控制列表应用到接口上#
定义扩展访问控制列表
定义多条访问控制列表的组合
用access-list命令配置访问
- 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（）A Ezonexam technician is troubleshooting connectivity problems between two routers that are directly connecte
- 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
- How could the Ezonexam corporation benefit from using VLANs on their network?(Select three answer choices.)路由器的配置文件startup-config存放在()里VLANs allow access to network services based on depar
- 基本IP访问权限表的表号范围是：()IP地址为：192.168.50.70,掩码为：255.255.255.248,则该IP地址所在子网的广播地址为（）1—100
1-99#
100-199
800-899192.168.50.32
192.168.80.64
192.168.50.96
192.168.50.71#BD
- 默认情况下,IGRP衡量路径好坏时,考虑的因素为（）The Ezonexam network administrator has issued the "VTP password ezonexam" command on a Cisco device. What is the purpose of this command?带宽#
可靠性
最大
- 路由器上,设置端口速率的命令是（）The Ezonexam network administrator needs to determine what LAN devices to install on the Ezonexam network. What are two advantages of using Layer 2 Ethernet switches o
- OSI七层模型中,网络层的数据封装名称为（）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：255.255.255.248,则该端口（）比特
帧
包#
段能和其他设备正常通信
会变成“administratively down”状态#
端
- 常见的LSA有几种类型()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（）4
5
6#
7192.168.50.32
192.168.80.64#
192.168.50.96
192.168.50.71CB
- 配置路由器时,封装PPP协议的命令是：()交换机上VLAN的功能描述中,正确的是（）encap ppp#
ppp
group ppp
int ppp可以减少广播域的个数
可以减少广播对网络性能的影响#
可以减少冲突域的个数
可以减小冲突域的容量AB
- 两个VLAN之间要想通信,应该使用的设备是（）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? (Cho
- OSPF的度量值是什么()请选出交换机处理帧的三种模式：()跳数
接口开销
矢量距离
链路状态#直通模式#
存储转发模式#
侦测模式
分段模式
阻塞模式#DABE
- 常见的LSA有几种类型()The Ezonexam network administrator has just issued the "switchport trunk native vlan 998" command on switch VE2. What is the function of this command?4
5
6#
7It designates VLAN 99
- 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
- 帧中继环境下,为了区分虚电路,应该使用的地址是（）How many usable IP addresses can you get from a conventional Class C address?IP地址
MAC地址
DLCI#
IPX地址128
192
254#
256
510C解析：Explanation:
- 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
- In which Spanning-Tree states does a switch port learn MAC addresses? (Select two)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
- 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：（）关于OSPF中DR的说法不正确的是（）LSAType1.2
LSAType3
LSAType4
默认路由：0.0.0.0#通过hello报文选举DR
如果某路由器优先级比DR优先
- 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（）命令“ping127.0.0.1”的功能是（）show access-list
show interface e0#
show ipinterface e0
show e0测试网卡是否正常
测试网关是否正常
测试TC
- 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?关于OSPF中DR的说法不正确的是（）All defined
- 对交换机的描述,正确的是（）OSPF的度量值是什么()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,多冲突域的设备跳数
接口开销
矢量距离
链路状态#BD
- What is the purpose of the Spanning Tree Protocol (STP)?网关的功能（）To prevent routing loops
To create a default route
To provide multiple gateways for hosts
To maintain a loop-free Layer 2 network
- 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)路由器上,清空路由表的命令是（）Each de
- 下列关于路由器和交换机的描述中,错误的是（）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 th
- 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
- 某台PC,能ping通路由器,但不能telnet到路由器,可能的原因是（）FTP工作在OSI哪一层（）PC的IP地址设置错误
路由器端口IP设置错误
路由器端口处于关闭状态
telnet密码未设置#会话层
表示层
传输层
应用层#DD
- 网关的功能（）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（）过滤数据包
不同网段通信#
校验数据帧
把数据封装成“段”最高的OSPF进程ID
最低的接口IP地址
最低的接口开销
路由
- 通过路由器的“配置端口console”对路由器进行配置,应该使用的线缆为（）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（）。交叉线缆
直通线缆
反转线
- 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()。在地址转换中,()用来规定哪些数据包需要进行地址转换标准ACL可以根据分组中的IP源地址进行过滤
扩展ACL可以根据分组中的IP目标地址进行过滤
标准A
- 下列哪一个通配符掩码与子网172.16.64.0/27的所有主机匹配（）。下列对访问控制列表的描述不正确的是（）。255.255.255.0
255.255.224.0
0.0.0.31#
0.0.31.255访问控制列表能决定数据是否可以到达某处
访问控制列表
- 命令ip nat pool aaa 192.1.1.2 192.1.1.10 netmask 255.255.255.0的作用是()EIGRP的管理距离（）指定可访问地址
定义地址池#
指定路由
定义哪些地址可以进行地址转换90
100
110#
120BC
- VLAN主干协议VTP的默认工作模式是()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 E
- 默认情况下,IGRP衡量路径好坏时,考虑的因素为（）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（）带宽#
可靠性
最大传输单元
延时#最高的OSPF进程ID
最低的接口IP地址
最低的接
- The Ezonexam network administrator needs to determine what LAN devices to install on the Ezonexam network. What are two advantages of using Layer 2 Ethernet switches over hubs? (Choose two)备份路由器I
- 默认情况下,下列说法中正确的是：（）15S
30S#
60S
90S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RIP发现的路由,因为RIP协议的优先级更高
在缺省的情况下,则在路由表
- 关于静态NAT,下面（）说法是正确的。TELNET工作在OSI哪一层（）静态NAT转换在缺省情况下24小时后超时
静态NAT转换从地址池中分配
静态NAT将内部地址一对一静态映射到内部全局地址#
CISCO路由器缺省使用了静态NAT会话
- 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?After working on a router, some probl
