《计算机专业英语》第13章在线测试

更新时间:2023-06-25 18:55:21 阅读：评论：0

《计算机专业英语》第13章在线测试	剩余时间：	59:53

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长故事

答题须知：1、本卷满分20分。
2、答完题后，请一定要单击下面的“交卷”按钮交卷，否则无法记录本试卷的成绩。
3、在交卷之前，不要刷新本网页，否则你的答题结果将会被清空。

第一题、单项选择题（每题1分，5道题共5分）

世界500强企业

1、Confidentiality of the message is not enough in a cure communication; ＿＿＿＿＿＿＿＿ is also needed. The receiver needs to be sure of the nder’s identity.

A、encryption	B、authorization 刘炳森楷书千字文
C、authentication	D、encapsulation

2、The data, when they are not encrypted, are called ＿＿＿＿＿＿＿＿.

怎么看自己的ip

A、plaintext	B、ciphertext
C、hypertext	D、context

3、A virus is a ＿＿＿＿＿＿＿＿＿ .

A、beast	B、computer
C、bad man	D、program

4、Many virus go resident in the memory like a ( ).

A、.exe file	B、.com file
C、tsr program	D、data file

5、Now, about ( ) different virus account for all the virus that actually spread in the wild.

A、30	B、150
C、1800	D、3000

第二题、多项选择题（每题2分，5道题共10分）

卉字五行属什么

1、Virus all have two phas to their eｘecution, the ( ) and the ( ).

A、infection pha

B、del＿ete pha

C、attack pha

D、creaｔe pha

2、( ) maybe a certain cau that some virus infect upon.

A、a day

B、a time

C、an external event on your PC

D、a counter within the virus

3、Many virus do harmful things such as ( ).

A、deleting files

B、simulating typos

C、slowing your PC down

D、changing random data on your disk

4、If a virus simply reproduce and have no cau for an attack pha, but it will still ( ) without your permission.

A、stealing storage

B、pilfer CPU cycles

C、del＿ete files

D、play music

5、Some virus, with no attack pha, often damage the programs or disks they infect becau they ( ).

A、have bugs in them

B、contain poor quality code

C、兔妈妈steal storage

D、show messages on your screen

第三题、判断题（每题1分，5道题共5分）

1、Computer curity is a branch of technology known as information curity as applied to computers.

正确	错误

2、Michelangelo is a file ctor.

外滩广场

正确	错误

3、Computer virus is remote from us.

正确	错误

4、Computer virus may affect the your phisical health .

正确	错误

5、The author thinks that understanding how an attacker approaches your computer system can help you protect it

正确	错误

题记是什么意思

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