ZDTE - MCQs - Advanced_Cybersecurity_Services Part 1 Newest 2025/2026 With Complete Questions And Correct Answers |Already Graded A+||Brand New

Advanced_Cybersecurity_Services

ZDTE - MCQs -
Advanced_Cybersecurity_Services Part 1
Newest 2025/2026 With Complete
Questions And Correct Answers
|Already Graded A+||Brand New
1) To test whether a character is a numeric digit character, use this function.



A) isnumber

B) notAlpha

C) isnumeric

D) isdigit

E) None of these



- Correct Answer :isdigit



2) To test whether a character is a printable character, use this function.



A) isprint

B) isprintable

C) isprintok

D) isoktoprint

E) None of these –



Correct Answer :isprint




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3) This is the escape sequence representing the null terminator.



A) \n

B) \t

C) \0

D) nullptr

E) None of these



- Correct Answer :\0



4) The null terminator stands for this ASCII code.



A) 57

B) 100

C) 1000

D) 0

E) None of these



- Correct Answer :0



5) This function accepts a pointer to a C-string as an argument, and it returns the length of the C-string
(not including the null terminator).



A) numchar

B) strlength

C) strlen

D) countstring

E) None of these


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- Correct Answer :strlen



6) The strcpy function's arguments are:



A) two C-strings

B) two addresses

C) three pointers

D) one array and one pointer

E) None of these



- Correct Answer :two addresses



7) A library function that can find one C- string inside another is:



A) strcmp

B) strstr

C) strfind

D) strsearch

E) None of these



- Correct Answer :strstr



8) This function accepts a C-string as an argument and converts the string to a long integer.



A) atol

B) strlong

C) strtolong

D) stringlong


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E) None of these



- Correct Answer :atol



9) This function converts a C-string to an integer and returns the integer value.



A) atoint

B) strtoint

C) strint

D) atoi

E) None of these



- Correct Answer :atoi



10) Which statement converts the string "10" to the integer value 10?



A) itoa("ten")

B) atoi("ten")

C) atoi("10")

D) itoa(10)

E) None of these



- Correct Answer :atoi("10)



11) This function will return true if its argument is a printable character other than a digit, letter, or space.



A) isprint

B) ispunct


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