多項(xiàng)選擇題x.25協(xié)議包含三層()。

A.分組層
B.數(shù)據(jù)鏈路層
C.物理層
D.傳輸層
E.網(wǎng)絡(luò)層


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1.多項(xiàng)選擇題Which of the following are types of flow control?()

A.buffering
B.cut-through
C.windowing
D.congestion avoidance
E.load balancing

4.單項(xiàng)選擇題

輸入哪條命令可以看到以下信息?()

A.display ip routing-table
B.display ospf lsa
C.display ospf database
D.display ospf interface

5.多項(xiàng)選擇題What two things will a router do when running a distance vector routing protocol? ()

A.Send periodic updates regardless of topology changes.
B.Send entire routing table to all routers in the routing domain.
C.Use the shortest-path algorithm to the determine best path.
D.Update the routing table based on updates from their neighbors.
E.Maintain the topology of the entire network in its database.

6.多項(xiàng)選擇題Which two Ethernet fiber-optic modes support distances of greater than 550 meters?()

A.1000BASE-CX
B.100BASE-FX
C.1000BASE-LX
D.1000BASE-SX
E.1000BASE-ZX

7.多項(xiàng)選擇題What are two characteristics of RIPv2?()

A.classful routing protocol
B.variable-length subnet masks
C.broadcast addressing
D.manual route summarization
E.uses SPF algorithm to compute path

8.多項(xiàng)選擇題Which two wireless encryption methods are based on the RC4 encryption algorithm? ()

A.WEP
B.CCKM
C.AES
D.TKIP
E.CCMP

10.多項(xiàng)選擇題下列靜態(tài)路由器配置正確的是()。

A.ip route-static 129.1.0.016 serial 0
B.ip route-static 10.0.0.216129.1.0.0
C.ip route-static 129.1.0.01610.0.0.2
D.ip route-static 129.1.0.0255.255.0.010.0.0.2

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以下哪兩種介質(zhì)可提供高達(dá)1Gb/s 的帶寬?()

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請(qǐng)參見(jiàn)圖示。對(duì)于從主機(jī)A 向Web 服務(wù)器發(fā)出的網(wǎng)頁(yè)請(qǐng)求,正確的目的套接字?jǐn)?shù)字是什么?()

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何時(shí)必須使用clock rate 命令配置路由器串行接口?()

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傳輸層如何讓主機(jī)能同時(shí)針對(duì)不同應(yīng)用程序維護(hù)多個(gè)通信流?()

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