In relation to perltie, a class implementing tied scalar should define which of the following methods?

i) TIESCALAR

ii) FETCH

iii) STORE

What will be the output of the Perl code? $_ = 'Mark is to the left of red window.'; if ( /\b(red)\s+(\w+)/i ) { print '$2 follows $1.\n'; }

Which option is less secure than the other, and should not be used for authentication?

Which statement is/are correct about the command paragraph of perlpod? i) The '=item' command should be used outside of the '=over'... '=back' region. ii) An '=item' should be the first thing after an '=over' command unless there are not going to be any items at all. iii) The '=headn' command cannot be put inside an '=over'... '=back' region.

In relation to identifier parsing in Perl, which of the following options is invalid?

In relation to use strict; in Perl, a variable must be declared with which of the following keywords in order to use it for the first time?

Which is not used for assigning a value to a variable?

$_ is used by default:

To execute blocks of code depending on whether a condition is met, you use:

Which would declare a global variable?

What does Perl -e on the command line do?