CIW PERL FUNDAMENTALS - 1D0-437 Exam Practice Test
Which statement will open the /etc/passwd file for reading only?
Correct Answer: B
Which one of the following choices will assign the current package Library1?
Correct Answer: C
Consider the following program code:
$x = 5;
$y = 10;
while (++$x < 10 && ++$y < 15)
{
print ($x $y );
}
print ($x $y );
What is the result of executing this program code?
$x = 5;
$y = 10;
while (++$x < 10 && ++$y < 15)
{
print ($x $y );
}
print ($x $y );
What is the result of executing this program code?
Correct Answer: C
The filehandle INPUT is associated with the file represented by $file. Which statement will close the filehandle INPUT?
Correct Answer: D
Consider that a file named test.txt contains this line of text:
One line of test text.
What is the output of the following lines of code?
$file = "test.txt";
open (OUT, "<$file") || (die "cannot open $file: $!");
seek(OUT, 15, 0);
read(OUT, $buffer, 5);
print $buffer . "\n";
print tell(OUT);
One line of test text.
What is the output of the following lines of code?
$file = "test.txt";
open (OUT, "<$file") || (die "cannot open $file: $!");
seek(OUT, 15, 0);
read(OUT, $buffer, 5);
print $buffer . "\n";
print tell(OUT);
Correct Answer: A
Assuming $a = 2, which of the following evaluates as false?
Correct Answer: B