A.#vtp domain unset
B.#delete vlan.dat
C.#novtp domain
D.#vtp domain null
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A.RIP
B.BGP
C.OSPF
D.EIGRP
A.Administratively shut down the interfaces.
B.Physically secure the interfaces.
C.Configure a virtual terminal password and login process.
D.Enter an access list and apply it to the terminal interfaces using the access-class command.
E.Create an access list and apply it to the terminal interfaces using the access-groupc ommand.
A.application layer
B.session layer
C.transport layer
D.network layer
E.datalink layer
F.physical layer
A.A DHCP client uses a ping to detect address conflicts.
B.A DHCP server uses a gratuitous ARP to detect DHCP clients.
C.A DHCP client uses a gratuitous ARP to detect a DHCP server.
D.If an address conflict is detected, the address is removed from the pool and an administrator must resolve the conflict.
E.If an address conflict is detected, the address removed from the pool for an amount of time configurable by the administrator.
F.If an address conflict is detected, the address is removed from the pool and will not be reused until server is rebooted.
根据下图,哪个选项描述了DLCI 17?()
A.DLCI 17描述了R2和R3之间的ISDN线路
B.DLCI 17描述了一条在R2上的PVC 不能用在R3和R1上
C.DLCI 17是R2使用的二层地址,用来描述一条到R3的PVC
D.DlDLCI 17描述了一条从R2 R3到服务提供商拨号网络
A.It divides the network communication process into smaller and simpler components, thus aiding component development, design, and troubleshooting.
B.It enables equipment from different vendors to use the same electronic components, thus saving research and development funds.
C.It supports theevolution of multiple competing standards, and thus provides business opportunities for equipment manufacturers.
D.It encourages industry standardization by defining what functions occur at each layer of the model.
E.It provides a means by which changes in functionality in one layer require changes in other layers.
A.BSS
B.ESS
C.IBSS
D.SSID
When upgrading the IOS image, the network administrator receives the exhibited error message. What could be the cause of this error()。
A.The new IOS image is too large for the router flash memory.
B.The TFTP server is unreachable from the router.
C.The new IOS image is not correct for this router platform.
D.The IOS image on the TFTP server is corrupt.
E.There is not enough disk space on the TFTP server for the IOS image.
A.RSTP significantly reduces topology reconverging time after a link failure.
B.RSTP expends the STP port roles by adding the alternate and backup roles.
C.RSTP portatates are blocking,discarding,learing,orforwarding.
D.RSTP also uses the STP proprsal-agreement sequence.
E.RSTP use the same timer-baseed process as STP on point-to-point links.
F.RSTP provides a faster transition to the forwarding state on point-to-point links than STP does.
A.Because of damaged flash memory, the router will fail the POST.
B.It will attempt to locate the IOS from a TFTP server. If this fails, it will initiate the setup dialog.
C.It will attempt to locate the IOS from a TFTP server. If this fails, it will load a limited IOS from ROM.
D.It will attempt to locate the configuration file from a TFTP server. If this fails, it will initiate the setup dialog.
E.It will attempt to locate the configuration file from a TFTP server. If this fails, it will load a limited configuration from ROM.
最新试题
以下哪两种介质可提供高达1Gb/s 的带宽?()
请参见图示。主机A 尝试与主机C 建立TCP/IP 会话。在尝试期间,路由器Y 的FastEthernet 接口fa0/1捕获到一个帧。捕获的帧中包含源IP 地址为172.16.1.5而目的IP 地址为172.16.7.24的数据包。捕获该帧时,它的源MAC 地址是什么?()
请参见图示。网络技术人员试图确定主机A 的正确IP 地址配置。以下哪一项是主机A 的有效配置?()
请参见图示。对于从主机A 向Web 服务器发出的网页请求,正确的目的套接字数字是什么?()
请参见图示。下列哪组设备仅包含中间设备?()
OSI 哪一层可提供有序的数据重构服务?()
请参见图示。当计算机A 向计算机D 发送帧时,哪些计算机会接收该帧?()
请参见图示。图中所示路由表所属的PC 已正确配置。IP 地址192.168.1.254属于哪一个网络设备或接口?()
请参见图示。网络中的主机A 正在向主机B 发送数据段。有关所交换的数据段的流量控制如图所示。下列关于此通信的陈述,哪两项是正确的?()
在路由器上使用Router#copy running-config startup-config 命令会产生什么效果?()