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SMTP工作在OSI哪一层（）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
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路由器下“特权用户模式”的标识符是：()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 the switc
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路由器“全局模式”的提示符为（）In which Spanning-Tree states does a switch port learn MAC addresses? (Select two)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（）关于
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查看E0端口配置信息的命令是：()下列对RIP的配置中,合法的命令是（）帧中继环境下,为了区分虚电路,应该使用的地址是（）show access-list
show ip route
show version
show interfacee0#router rip 100 network 10.1
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Ezonexam has implemented the use of the Virtual Trunking Protocol (VTP). Which statement below accurately describes a benefit of doing this?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
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路由器下“特权用户模式”的标识符是：()FTP工作在OSI哪一层（）>
!
#
(config-if)会话层
表示层
传输层
应用层#CD
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下列哪一设备工作时,要用到OSI的七个层（一层到七层）（）Ezonexam is migrating to a private IP addressing scheme. Which of the following describe the use of private IP addresses? (Choose two)TCP23是（）
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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?路由器“特权模式”的提示符是：（）IP地
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标准访问控制列表应被放置的最佳位置是在（）。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 t
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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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100baseT的速率是()Mbit/sSMTP工作在OSI哪一层（）标准访问控制列表应被放置的最佳位置是在（）。下面对Cisco2621路由器和Cisco2501路由器描述中,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下
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关于OSPF中DR的说法不正确的是（）“InsideGlobal”地址在NAT配置里表示的是什么()通过hello报文选举DR
如果某路由器优先级比DR优先级高,但启动晚,它会抢占原来的DR自己成为DR#
一个广播类型网络中只能有一个DR
一旦DR
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When is a switched network that is running the Spanning Tree Protocol considered to be fully converged?The IP network 210.106.14.0 is subnetted using a /24 mask. How many usable networks and host addr
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交换机工作在OSI七层模型的哪一层()工作在OSI第三层的设备是：()RIP协议的管理距离是（）A Ezonexam technician is troubleshooting connectivity problems between two routers that are directly connected throug
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网络中经常使用DDN服务,请选出DDN的优点（）路由器“特权模式”的提示符是：（）传输质量高#
接入方式灵活
偷占带宽
使用虚电路#
专用线路#>
#
(config)
(config-if)ADEB
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RIP协议负载均衡的路径数量为（）查看E0端口配置信息的命令是：()帧中继环境中,在物理端口上,建立子接口的命令是（）Regarding the extended ping command; which of the statements below are true?(Select all val
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TCP23是（）协议端口号；UDP69是（）端口号；TCP80是（）端口号。OSPF的度量值是什么()“ipaccess-group”命令在接口上缺省的应用方向是什么"（）。TELNET FTP HTTP
FTPT FTP HTTP
TELNET TFTP HTTP#
TELNET DNS HTTP
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The Ezonexam network administrator has issued the "VTP password ezonexam" command on a Cisco device. What is the purpose of this command?OSI七层模型中,网络层的数据封装名称为（）对于运行OSPF协议的路由
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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（）A Ezonexam technician is troubleshooting connectivity problems between two routers that are directl
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Which of the following steps are necessary in order to add a new VLAN to the Ezonexam switched network? (Select all that apply)NAT可以被用于完成多种功能,以下不属于其功能的是：（）Create the VLAN.#
Nam
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属于私有IP段的是()At which layer of the OSI model does the protocol that provides the information displayed by the "show cdp neighbors" command operate?路由器上,清空路由表的命令是（）10.0.0.0-10.255.2
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两台路由器直连到一起,应该使用的线缆为（）当配置一个CISCO的路由器时,缺省的DR和BDR优先级是（）。交叉线缆#
直通线缆
反转线缆
任意线缆0
1#
16
255AB
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帧中继环境中,CIR的含义是（）路由器上“水平分割”的功能是：()网关的功能（）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：（）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
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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：（）配置路由器特权用户“加密密码”的命令是：()You are an administrator of the Ezonexam switched network and your goal is to reduce some of the administrat
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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IP”的选项：()地址转换NAT的优点是()You are a senior network administrator at Ezonexam, an
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在OSI七层模型中,介质工作在哪一层()Which of the following are types of flow control? (Choose three)下面有关交换机的描述中,正确的是（）传输层
会话层
物理层#
应用层Buffering#
Cut-through
Windowing#
Conge
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Which of the following are types of flow control? (Choose three)路由器的配置文件startup-config存放在()里Buffering#
Cut-through
Windowing#
Congestion avoidance#
Load balancingRAM
ROM
FLASH
NVRAM#解析：
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介质工作在OSI的哪一层（）After 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 switch appear to be
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交换机工作在OSI七层模型的哪一层()The Ezonexam network administrator has issued the "VTP password ezonexam" command on a Cisco device. What is the purpose of this command?You have just purchased a bran
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查看路由表的命令是：()在配置帧中继子接口时,在物理接口上应该配置的内容是：()show interface
show run
show ip route#
show table配置IP地址
封装帧中继协议#
指定子接口类型#
设定子接口#
配置密码CBCD
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介质工作在OSI的哪一层（）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（）A Ezonexam technician is troubleshooting connectivity problems between two routers that
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要把交换机的配置文件保存到tftp服务器,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）（）CDP is being used throughout the Ezonexam network. What are two reasons wh
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标准访问控制列表的数字标识范围是（）。At which layer of the OSI model does the protocol that provides the information displayed by the "show cdp neighbors" command operate?帧中继环境下,为了区分虚电路,
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OSPF的度量值是什么()Regarding DHCP (dynamic host configuration protocol), which two of the following choices below are true? (Select two answer choices)跳数
接口开销
矢量距离
链路状态#The DHCP Discove
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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（）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）（）In whi
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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（）。配置路由器时,封装PPP协议的命令是：()After logging into a router and typing in a few show c
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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()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（）路由器的配置文件startup-config存放在()里为所有的外部NAT创建
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As the Ezonexam network administrator, you are required to have a firm understanding of the OSI model. Why does the data communication industry use the layered OSI reference model? (Choose two)IP地址
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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()能够分配给设备的IP,应该是（）命令“ping127.0.0.1”的功能是（）下列命令中,无法正确执行的是（）当在一个接口上使用ipaccess-gr
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Which of the following are types of flow control? (Choose three)下列路由协议中,属于链路状态路由协议的是（）要把交换机的配置文件保存到tftp服务器,应使用的命令为（）网络中经常使用“帧中继”服务,请选出帧中
