Perl Quiz 4 | Englishfreetest.com

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  • Test content
    Question 1: Which of the following operator returns true if the left argument is stringwise greater than or equal to the right argument?
    A. lt
    B. gt
    C. le
    D. ge
    Question 2: Which of the following operator encloses a string with-in single quotes?
    A. q{ }
    B. qq{ }
    C. qx{ }
    D. enclose{}
    Question 3: Which of the following function returns the universal Greenwich Mean Time, or GMT (or UTC)?
    A. localtime
    B. gmtime
    C. time
    D. strftime
    Question 4: Which of the following function opens a file in read-only mode?
    A. open(DATA,
    B. open(DATA, >file.txt);
    C. open(DATA, +>file.txt);
    D. None of the above
    Question 5: Which of the following function renames existing file?
    A. rename
    B. tell
    C. seek
    D. None of the above
    Question 6: Which of the following operator encloses a string with-in double quotes?
    A. q{ }
    B. qq{ }
    C. qx{ }
    D. enclose{}
    Question 7: Which of the following operator returns true if the left argument is stringwise not equal to the right argument?
    A. eq
    B. ne
    C. cmp
    D. ge
    Question 8: Which of the following function returns all values of a Hash?
    A. keys
    B. values
    C. Both of the above
    D. None of the above
    Question 9: Which of the following correctly describes Hashes data types in Perl?
    A. These are simple variables. They are preceded by a dollar sign ($).
    B. These are ordered lists of scalars that you access with a numeric index which starts with 0.
    C. These are unordered sets of key/value pairs that you access using the keys as subscripts
    D. None of the above
    Question 10: Which of the following method pops off and returns the last value of the array??
    A. push @ARRAY, LIST
    B. pop @ARRAY
    C. shift @ARRAY
    D. unshift @ARRAY, LIST