Q 1 - Which of the following data types are preceded by an "at" sign (@) in Perl?

A - Scalar

B - Array

C - Hashes

D - All of the above.

Q 2 - Which of the following special variable represents current file name?

A - FILE

B - _FILE_

C - file

D - None of the above.

Q 3 - Which of the following is correct about Hashes?

A - A hash is a set of key/value pairs.

B - Hash variables are preceded by a percent (%) sign.

C - To refer to a single element of a hash, you will use the hash variable name preceded by a "$" sign and followed by the "key" associated with the value in curly brackets.

D - All of the above.

Q 4 - Which of the following statement terminates the loop statement and transfers execution to the statement immediately following the loop?

A - next

B - last

C - continue

D - redo

Q 5 - Which of the following statement jumps to the statement labeled with LABEL and resumes execution from there?

A - goto LABEL

B - goto EXPR

C - goto &NAME

D - None of the above.

Q 6 - Which of the following operator checks if the value of left operand is greater than the value of right operand, if yes then condition becomes true?

A - ==

B - !=

C - <=>

D - >

Q 7 - Which of the following operator encloses a string with-in double quotes?

A - q{ }

B - qq{ }

C - qx{ }

D - enclose{}

Q 8 - Which of the following function returns the current local time on the machine that runs the script?

A - localtime

B - gmtime

C - time

D - strftime

Q 9 - Which of the following function opens a file in read-only mode?

A - open(DATA, "<file.txt");

B - open(DATA, ">file.txt");

C - open(DATA, "+>file.txt");

D - None of the above.

Q 10 - Which of the following code create a reference for a variable?

A - $ref = \$foo;

B - $ref = \@ARGV;

C - $ref = \%ENV;

D - $ref = \&PrintHash;