Perl effectively inserts a call to the _____ DB::DB(linenum) in front of every place that can have a breakpoint?

Which statement is correct about Default ?

What is Perl?

What is in regard to the benefits of Perl programming when using it in web based applications?

Which special variable represents current line number?

What value do variables have before they are first assigned?

What does the abs_path method do?

The syntax of the heredoc operator is.

A scalar variable can contain.

Which parameter does the printf function take?

Which loop is usually used to process array?