A.A CSU/DSU terminates a digital local loop.
B.A modem terminates a digital local loop.
C.A CSU/DSU terminates an analog local loop.
D.A modem terminates an analog local loop.
E.A router is commonly considered a DTE device.
F.A router is commonly considered a DCE device.
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A.UTP cable
B.STP cable
C.coaxial cable
D.fiber optic cable
A.alternate
B.backup
C.designated
D.disabled
E.root
A.L2TP
B.IPsec
C.PPTP
D.RSA
A.HDLC
B.Ethernet
C.Token Ring
D.PPP
E.FDDI
F.Frame Relay
Refer to the exhibit.How many broadcast domains exist in the exhibited topology？（）
A.one
B.two
C.three
D.four
E.five
F.six
A routing protocol is required that supports:
1)routing update authentication
2)an addressing scheme that conserves IP addresses
3)multiple vendors
4)a network with over 50 routers Which routing protocol fulfills these requirements（）。
A.RIPv1
B.RIPv2
C.EIGRP
D.OSPF
A.1000BASE-CX
B.100BASE-FX
C.1000BASE-LX
D.1000BASE-SX
E.1000BASE-ZX
A.Erase flash.
B.Restart the switch.
C.Delete the VLAN database.
D.Erase the running configuration.
E.Erase the startup configuration.
F.Modify the configuration register.
A.Microsegmentation decreases the number of collisions on the network.
B.if a switch receives a frame for an unkown destination，it uses ARP to resolve the address.
C.Spanning Tree Protocol allows switches to automatically share vlan information.
D.In a properly functioning network with redundant switched paths，each swiched aegment will contain oneroot bridge with all its ports in the forwarding state.All other switches in that broadcast domain will haveonly one root port.
E.Establishing vlans increases the number of broadcast domains.
F.Switches that are configured with vlans make forwarding decisions based on both layer 2 and layer 3address information.
A.classful routing protocol
B.variable-length subnet masks
C.broadcast addressing
D.manual route summarization
E.uses SPF algorithm to compute path
最新試題
請(qǐng)參見圖示。哪種邏輯拓?fù)涫菍?duì)圖示網(wǎng)絡(luò)的準(zhǔn)確描述？（）
以下哪兩種介質(zhì)可提供高達(dá)1Gb/s 的帶寬？（）
在路由器上使用Router#copy running-config startup-config 命令會(huì)產(chǎn)生什么效果？（）
請(qǐng)參見圖示。網(wǎng)絡(luò)中的所有設(shè)備均使用默認(rèn)配置。此拓?fù)渲写嬖诙嗌賯€(gè)廣播域？（）
PC 無法連接到任何遠(yuǎn)程網(wǎng)站，無法ping 通其默認(rèn)網(wǎng)關(guān)，也無法ping 通本地網(wǎng)段中工作正常的打印機(jī)。以下哪項(xiàng)操作可以確認(rèn)此PC 上的TCP/IP 協(xié)議棧是否工作正常？（）
OSI 哪一層可提供有序的數(shù)據(jù)重構(gòu)服務(wù)？（）
請(qǐng)參見圖示。公司路由器由于故障被更換。更換路由器之后，Education 辦公室內(nèi)的主機(jī)C 和D 能夠相互ping 通，但是無法訪問Accounts 辦公室內(nèi)的主機(jī)。此問題的原因可能是什么？（）
請(qǐng)參見圖示。一臺(tái)路由器（其路由表如圖所示）收到發(fā)往192.168.1.4的數(shù)據(jù)包。路由器將如何處理該數(shù)據(jù)包？（）
何時(shí)必須使用clock rate 命令配置路由器串行接口？（）
請(qǐng)參見圖示。網(wǎng)絡(luò)中的主機(jī)A 正在向主機(jī)B 發(fā)送數(shù)據(jù)段。有關(guān)所交換的數(shù)據(jù)段的流量控制如圖所示。下列關(guān)于此通信的陳述，哪兩項(xiàng)是正確的？（）