1D0-437 Online Practice Questions and Answers

Consider the following lines of code:

sub mySub { (

$arg, @args) = @_;

foreach $val (@args) {

$returnVal .= "$arg, $val\n";

}

$returnVal . "" . @args;

}

print andmySub(1, "a value", "another value", "a parameter", "another parameter"); What is the output of

these lines of code?

A. 1, a value 1, another value 1, a parameter 1, another parameter 4

B. 1, a value 1, another value 1, a parameter 1, another parameter a valueanother valuea parameteranother parameter

C. 1, a value, another value, a parameter, another parameter a value another value a parameter another parameter

D. 1, a value, another value, a parameter, another parameter 4

Consider the following program code:

print(1 );

BEGIN { print(2 ); }

END { print(3 ); }

BEGIN { print(4 ); }

END

{

package MyPackage;

print(5 );

}

What is the result of executing this program code?

A. The code will output the following: 1 2 3 4 5

B. The code will output the following: 2 4 1 5 3

C. The code will output the following: 2 1 3 4 5

D. The code will output the following: 2 4 1 3

Which one of the following statements uses correct syntax and expressions?

A. do (print "Hello $a") until ($a = 10);

B. do {$a++} until {$a == $b}\;

C. do {$in = $in++} while ($in < 100);

D. do ($a++) until ($b = $a);

Consider the following program code:

@array = ("ALPHA", "beta", "GaMmA");

sort(@array);

print("@array");

What is the output of this code?

A. beta GaMmA ALPHA

B. ALPHA GaMmA beta

C. ALPHA beta GaMmA

D. beta ALPHA GaMmA

Consider the following program code:

$Animal = Dogs bark;

package Cat;

$Animal = Cats purr;

{

package Fish;

$Animal = Fish swim;

}

package main;

print $Animal;

What is the result of executing this program code?

A. The code will fail at line 4.

B. The code will output the following: Dogs bark

C. The code will output the following: Cats purr

D. The code will output the following: Fish swim

Consider the following program code:

@array = ("ALPHA", "beta", "GaMmA");

@array = sort(@array);

print("@array");

What is the output of this code?

A. beta GaMmA ALPHA

B. ALPHA GaMmA beta

C. ALPHA beta GaMmA

D. beta ALPHA GaMmA

Running your Perl scripts with a d switch will perform which task?

A. Invoke the Perl debugger

B. Send standard error to a file

C. Disable breakpoints

D. Display a stack trace

Consider the following program code:

$x = 150;

$y = "250";

if (($x + 100) == $y) { print("1 "); }

if ("250" == $y) { print("2 "); }

if ("250" eq $y) { print("3 "); }

if ($x lt $y) { print("4 "); }

if ($x ge $y) { print("5 "); }

What is the result of executing this program code?

A. The code will output the following: 1 2 3 4

B. The code will output the following: 1 3 4

C. The code will output the following: 1 3 5

D. The code will output the following: 1 2 3 4 5

Consider the program code in the attached exhibit.

What is the result of executing this program code?

A. The code will output the following: BOBBY

B. The code will output the following: GERTRUDE

C. The code will output the following: JOHN

D. The code will output the following: ROBERT

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. arg1

B. runme.pl

C. arg1 arg2 arg3

D. 2