試題1

The Border Gateway Protocol(BGP) is an interautonomous system  （1）  protocol. The primary function of a BGP speaking system is to exchange network  （2）  information with other BGP system. This network reachability information includes information on the list of Autonomous System(ASs) that reachability information traverses. BGP-4 provides a new set of mechanisms for supporting  （3）  interdomain routing. These mechanisms include support for advertising an IP  （4）  and eliminate the concept of network class within BGP. BGP-4 also introduces mechanisms that allow aggregation of routes, including  （5）  of AS paths. These changes provide support for the proposed supernetting scheme.
（1）A、connecting
B、resolving
C、routing
D、supernetting
（2）A、secubility
B、reachability
C、capability
D、reliability
（3）A、answerless
B、connectionless
C、confirmless
D、classless
（4）A、prefix
B、suffix
C、infix
D、reflex
（5）A、reservation
B、relation
C、aggregation
D、connection

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試題2

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試題3

A. A
B. B
C. C
D. D

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試題4

下面關(guān)于Manchester編碼的敘述中，錯誤的是?。?）　。
A、Manchester編碼是一種雙相碼
B、Manchester編碼提供了比特同步信息
C、Manchester編碼的效率為50%
D、Manchester編碼應用在高速以太網(wǎng)中

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試題5

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試題6

路由器通過光纖連接廣域網(wǎng)的是?。?）　。
A、SFP端口
B、同步串行口
C、Console端口
D、AUX端口

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試題7

Without proper safeguards, every part of a network is vulnerable to a security breach or unauthorized activity from （1）, competitors, or even employees. Many of the organizations that manage their own （2） network security and use the Internet for more than just sending/receiving e-mails experience a network （3）— and more than half of these companies do not even know they were attacked. Smaller （4） are often complacent, having gained a false sense of security. They usually react to the last virus or the most recent defacing of their website. But they are trapped in a situation where they do not have the necessary time and（5）to spend on security.
（1）A．intruders
B．terminals
C．hosts
D．users
（2）A．exterior
B．internal
C．centre
D．middle
（3）A．a(chǎn)ttack
B．collapse
C．breakdown
D．virus
（4）A．users
B．campuses
C．Companies
D．networks
（5）A．safeguards
B．businesses
C．experiences
D．Resources

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試題8

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試題9

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試題10

TCP/IP在多個層次引入了安全機制，其中TLS協(xié)議位于  （ ）  。
A、數(shù)據(jù)鏈路層
B、網(wǎng)絡(luò)層
C、傳輸層
D、應用層

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