题目内容

下列说法正确的是：Which of the following statements is correct？（There is only one correct answer）（）

A. 空串就是空白串“Empty string” is blank string
B. 空串是任意字符串的子串 Empty string is a substring of arbitrary string
C. 串只可以采用顺序存储，不可以采用链式存储 String only can be stored in sequential method and cannot be stored in linked method
D. 在C++标准中，char S[M]最多能表示长度为M的字符串 In C ++ standards, char S[M] can represent up to a string of length M

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设有两个串p和q，其中q是p的子串，求q在p中首次出现的位置的算法称为（）There are two strings p q, q is p’s substring. The algorithm to search the first time q appeared in p is called（）（There is only one correct answer）

A. 求子串 Seeking substring
B. 联接 Concatenation
C. 匹配 Matching
D. 求串长 Seeking length

A reduction in strength is__（）

A. delay distortion
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A. frame relay
B. ATM
C. circuit switching
D. packet switching

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A. protocol architecture
B. NSP
C. protocol data unit
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