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單項(xiàng)選擇題A network administrator is verifying the configuration of a newly installed host by establishing an FTP connection to a remote server. What is the highest layer of the protocol stack that the nework administrator is using for this operation?（）

A.application
B.presentation
C.session
D.transport
E.internet
F.datalink

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1.單項(xiàng)選擇題 根據(jù)下圖中展示的show running-config命令的結(jié)果。網(wǎng)絡(luò)管理員該如何做才能允許工作站連接到FastEthernet0/0接口去獲得一個(gè)IP地址？（）

A.在接口FastE thernet0/0應(yīng)用access-group14
B.在access-list14中添加access-list 14 permit any any
C.配置FastE therent0/0接口的IP地址為10.90.201.1
D.為接口FastE thernet0/0添加一個(gè)接口描述

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2.多項(xiàng)選擇題What three pieces of information can be used in an extended access list to filter traffic (Choose three.)（）。

A.protocol
B.VLAN number
C.TCP or UDP port numbers
D.source switch port number
E.source IP address and destination IP address
F.source MAC address and destination MAC address

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3.單項(xiàng)選擇題Acknowldgement, Sequencing, and Flow control are characteristics of which OSI layer?（）

A.Layer 2
B.Layer 3
C.Layer 4
D.Layer 5
E.Layer 6
F.Layer 7

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4.單項(xiàng)選擇題The administrator is unable to establish connectivity between two Cisco routers. Upon reviewing the command output of both routers, what is the most likely caust of the problem?（）

A.Authentication needs to be changed to PAP for both routers.
B.Serial IP addresses of routers are not on the same subnet.
C.Username/password is incorrectly configured.
D.Router names are incorrectly configured.

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5.多項(xiàng)選擇題 Exhibit: Which of the following are true regarding the command output shown in the display (Choose two.)（）。

A.There are at least two routers participating in the RIP process.
B.A ping to 192.168.168.2 will be successful.
C.A ping to 10.0.15.2 will be successful.
D.RtrA has three interfaces participating in the RIP process.

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