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單項(xiàng)選擇題Which type of EIGRP route entry describes a feasible successor?（）

A.a primary route,stored in the routing table
B.a backup route,stored in the routing table
C.a backup route,stored in the topology table
D.a primary route,stored in the topology table

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1.多項(xiàng)選擇題以下哪兩個(gè)安全工具能被安裝在一個(gè)網(wǎng)絡(luò)里？（）

A.ATM
B.IDS
C.IOS
D.IOX
E.IPS
F.SDM

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2.多項(xiàng)選擇題What are some of the advantages of using a router to segment the network (Choose two.)（）。

A.Filtering can occur based on Layer 3 information.
B.Broadcasts are eliminated.
C.Routers generally cost less than switches.
D.Broadcasts are not forwarded across the router.
E.Adding a router to the network decreases latency.

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3.單項(xiàng)選擇題Which dose the frame-relay interface-dlci command configure？（）

A.remote DLCI on the main interface
B.local DLCI on the main interface
C.local DLCI on the subinterface
D.remote DLCI on the subinterface

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4.多項(xiàng)選擇題 根據(jù)下圖，該access list被配置在路由器RTB的S0/0接口上的OUT方向，哪兩個(gè)數(shù)據(jù)包會(huì)被DENY，如果被路由到該接口上的話？（）

A.source ip address：192.168.15.5 destination port：21
B.source ip address：192.168.15.37 destination port：21
C.ssource ip address192.168.15.41 destination port：21
D.source ip address：192.168.15.36 destination port：23
E.source ip address：192.168.15.46 destination port：23
F.source ip address：192.168.15.49 destination port：23

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5.單項(xiàng)選擇題An administrator issues the command ping 127.0.0.1 from the command line prompt on a PC. If a reply is received, what does this confirm（）。

A.The PC has connectivity with a local host.
B.The PC has connectivity with a Layer 3 device.
C.The PC has a default gateway correctly configured.
D.The PC has connectivity up to Layer 5 of the OSI model.
E.The PC has the TCP/IP protocol stack correctly installed.

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