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What is the MD

题目

What is the MD5 algorithm used for？（）

  • A、takes a fixed-length message and produces a 128-bit message digest
  • B、takes a variable-length message and produces a 168-bit message digest
  • C、takes a message less than 2^64 bits as input and produces a 160-bit message digest
  • D、takes a variable-length message and produces a 128-bit message digest ActualTests.com
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相似问题和答案

第1题：

What is antonymy and what are its different types?


参考答案：Antonymy refers to the relationship between two or rarely more words of the same language, belonging to the same part of speech, identical in style. and nearly identical in distribution, associated and used together so that their denotative meanings render contrary or contradictory notions. There are three types of antonymy1) Complementary antonymy refers to the relation between two words that the denial of one member implies the assertion of the other, and vice versa.e.g. male vs. Female; alive vs. dead; boy vs. girl; odd vs. evenThe relation between the members of the pair of complementary antonyms can be best represented in the following diagram: 2) Gradable antonymy refers to the relation between two words that the two words in question are the two extremes between which different degrees of grades can be distinguished. See more examples as the following:good vs. bad; fat vs. skinny; wide vs. narrow; fast vs. slowMany pairs of gradable antonyms contain one marked term and one unmarked, e.g. old/young, heavy/light, fast/slow where the second term is more restricted in distribution than the first. The relation between members of the pair of gradable antonymy can be represented in the following way: 3) Relational antonymy refers to the relation between the two items do not constitute a positive-negative opposition, and the existence of one of the pair presupposes the existence of the other, or one of them cannot be used without suggesting the other. See more examples as the following:e.g. predecessor vs. successor; parent vs. child; teacher vs. student lend vs. borrow; employer vs. employee; buy vs. sell

第2题：

10． The most important thing is _________

A． what do you learn

B． what did you learn

C． what you have learn

D． what you learnt


正确答案：D

第3题：

(), we were not going to make any concessions to his unreasonable demands.

A.What may come

B.Come what may

C.May what come

D.What come


参考答案：B

第4题：

常用的摘要函数算法主要有()。

A、MD1

B、MD2

C、MD3

D、MD4

E、MD5


参考答案：BDE

第5题：

It is said in Australia there is more land than the government knows ___.

A. it what to do wth

B. what do it with

C. what to do with it

D. to do what with it


正确答案：C

第6题：

Utterance meaning in a face－to－face communication refers to().

A、what the speaker has intended to convey in what is said

B、what what is said normally means

C、what the hearer has understood on the basis of what is said

D、the associative meaning words have


参考答案：B

第7题：

I want to know().

A. what is his name

B. what his name is

C. what his name is


参考答案：C

第8题：

When ________, John did not reply.

(A) he asking what his name was

(B) was asked what his name was

(C) asking what John’s name was

(D) asked what his name was


正确答案：D
解答参考：D.分词的独立结构。我们可以用诸如when，after等连接词+分词在句中做状语，但该状语的逻辑主语需与该句的主句主语一致。在本句中，主句的主语是John，所以状语的逻辑主语也应是John，他应该是被问及姓名，故用被动语态asked。【译文】当被问及姓名时，约翰没有回答。

第9题：

_______ useful book it is!

A.What an

B.How a

C.What a

D.What


正确答案：C

第10题：

-My watch is not working. ________?

-It's ten past eleven.

A、What time is it

B、What's the time

C、What time is it by your watch

D、What is time by your watch


参考答案：C

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