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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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1.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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2.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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3.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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4.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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5.單項(xiàng)選擇題How dose a DHCP server dynamically assign IP address to host?（）

A.Addresses are allocated after a negotiation between the server and the host to determine the length of the agreement.
B.Addresses are assigned for a fixed period of time.At the end of period,a newquest for an address must be made,and another address is then assigned.
C.Addresses are leased to host.A host will usually keep the same address by periodically contacting the DHCP sever to renew the lease.
D.Addresses are permanently assigned so that the host uses the same address at all times.

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