Online Access Free 1D0-437 Exam Questions

Consider the following program code:
1.$x = 100;
2.$y = "-25";
3.$sum = $x + $y;
4.
5.print $sum;
What is the result of executing this program code?

• A.The code will output the following:
  100-25
• B.The code will output the following:
  125
• C.The code will fail at line 3 because $y contains string data.
• D.The code will output the following:
  75

Consider the following lines of code:
@array1 = ("apples", "oranges", "pears", "plums");
foreach (@array1) {print "$_\n"};
What is the result of these lines of code?

• A.applesorangespearsplums
• B.apples
  oranges
  pears
  plums
• C.apples
• D.apples oranges pears plums

Consider the following program code:
$y = 1;
$x = 2;
$z = 3;
do
{
print ($y );
} while ($y eq 2);
do
{
print ($x );
} until ($x eq 2);
print ($z );
What is the result of executing this program code?

• A.The code will output the following:
  2 3
• B.The code will output the following:
  3 2 1
• C.The code will output the following:
  1 2 3
• D.The code will output the following:
  3

Consider the following command:
perl runme.pl arg1 arg2 arg3
Given this command issued on the command line, what is the value of @ARGV?

• A.2
• B.runme.pl
• C.arg1
• D.arg1 arg2 arg3

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);

• A.t tex
  19
• B.t text
  20
• C.t tex
  20
• D.t text
  19