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多項(xiàng)選擇題What are two reasons a network administrator would use CDP? （）

A.to verify the type of cable interconnecting two devices
B.to determine the status of network services on a remote device
C.to obtain VLAN information from directly connected switches
D.to verify Layer 2 connectivity between two devices when Layer 3 fails
E.to obtain the IP address of a connected device in order to telnet to the device
F.to determine the status of the routing protocols between directly connected routers

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1.多項(xiàng)選擇題Which two locations can be configured as a source for the IOS image in the boot system command?（）

A.RAM
B.NVRAM
C.flash memory
D.HTTP server
E.TFTP server
F.Telnet server

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2.多項(xiàng)選擇題A network administrator is explaining VTP configuration to a new technician. What should the network administrator tell the new technician about VTP configuration? （）

A.A switch in the VTP client mode cannot update its local VLAN database.
B.A trunk link must be configured between the switches to forward VTP updates.
C.A switch in the VTP server mode can update a switch in the VTP transparent mode.
D.A switch in the VTP transparent mode will forward updates that it receives to other switches.
E.A switch in the VTP server mode only updates switches in the VTP client mode that have a higher VTP revision number.
F.A switch in the VTP server mode will update switches in the VTP client mode regardless of the configured VTP domain membership.

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3.多項(xiàng)選擇題 由圖所示FMJ公司注意到有未授權(quán)的訪問服務(wù)器的現(xiàn)象，但是只有Accounting1，CEO，Mgr1，Mgr2，是允許訪問Payroll Server的，以下哪兩種技術(shù)可以避免對(duì)服務(wù)器的未授權(quán)的訪問？（）

A.訪問控制列表
B.加密路由器密碼
C.生成樹
D.虛擬局域網(wǎng)
E.VTP
F.無線局域網(wǎng)

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4.多項(xiàng)選擇題Before installing a new, upgraded version of the IOS, what should be checked on the router, and which command should be used to gather this information? （）

A.the amount of available ROM
B.the amount of available flash and RAM memory
C.the version of the bootstrap software present on the router
D.show version
E.show processes
F.show running-config

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5.多項(xiàng)選擇題下列哪一項(xiàng)正確描述了運(yùn)行的OSPF的路由器的進(jìn)程標(biāo)識(shí)符的作用？（）

A.是一個(gè)本地的標(biāo)識(shí)
B.是一個(gè)全局的標(biāo)識(shí).
C.為了標(biāo)識(shí)OSPF數(shù)據(jù)庫(kù)中的唯一的實(shí)例
D.是一個(gè)可選的參數(shù)，只有多個(gè)OSPF進(jìn)程在同一個(gè)路由器上運(yùn)行時(shí)才需要
E.所有在同一個(gè)OSPF區(qū)域的路由器必須用同一個(gè)進(jìn)程號(hào)，否則它們無法交換路由信息。

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