Braindumps for "1D0-437" Exam

CIW Perl Fundamentals Exam

 Question 1.
Consider the following program code:
@array - ( "Y", "W", "X");
@array = sort (@array);
unshift(@array, "Z");
print($array[0]);
What is the output of this code?

A. W
B. X
C. Y
D. Z

Answer: D

Question 2.
Consider the following program code:
$i – "15";
LOOP: for(; $i < 25; $i++)
{
if ($i % 2)
{
next LOOP;
}
print("$i ");
}
What is the result of executing this program code?

A. The code will output the following:
    15 2 4 6 8 10 12 14 16 18 20 22 24
B. The code will output the following:
    15 17 19 21 23 25
C. The code will fail at line 2 because $i is not initialized.
D. The code will output the following:
    16 18 20 22 24

Answer: D

Question 3.
Which of the following choices demonstrates the correct syntax to pass the argument $arg2 to the subroutine get pass?

A. get pass($arg2);
B. call &get pass($arg2);
C. sub &get pass($arg2);
D. call get pass($arg2);

Answer: A

Question 4.
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

Answer: B

Question 5.
Consider the following package definition:
package Convert;
Which one of the following statements should immediately follow the given package definition to create a valid module?

A. 1;
B. use;
C. sub;
D. module Convert

Answer: A

Question 6.
Consider the program code:
$string - "BOBBY";
$string =~ s/^BO[^0][^0][^0]/ROBERT/;
$string =~ s/^\w{2,}B(.*)/G$1RUDE/;
$string =~ s/^[R|B]0(.*)/$1/;
$string -~ s/^....$/JOHN/;
print $string;

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

Answer: B

Question 7.
Which one of the following statements will add the symbol table for a package into the including package's symbol table?

A. include Package;
B. require Exporter;
C. require Package;
D. export Package;

Answer: B

Question 8.
Consider the following code:
%chars = ("a", "100", "b", "90", "c", "80");

Which one of the following choices will reverse the key/value pairing of the code?

A. reverse(%chars);
B. &chars = reverse(%chars);
C. reverse(%chars) = &chars;
D. invert/%chars);

Answer: B

Question 9.
Consider the following command:
per1 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

Answer: C

Question 10.
The file handle INPUT is associated with the file represented by $file. Which statement will close the file handle INPUT?

A. close (INPUT, $file);
B. close INPUT;
C. INPUT(close, $file);
D. close(INPUT);

Answer: D

Question 11.
Given the following statement:
for ($count-0; $count < 5; $count++) {print $count "}
What will be the output from the given statement?

A. 1 2 3 4 5
B. 5 10 15 20 25
C. 1 2 3 4
D. 0 1 2 3 4

Answer: D

Question 12.
Consider the following program code:
$var - 10;
package Alpha;
$var - 20;
{


package Beta;
$var = 30;
}
package Gamma;
$var = 40;
{
print $var;
}
What is the output of this code?

A. 10
B. 20
C. 30
D. 40

Answer: D

Question 13.
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 text
    20
B. t tex
    19
C. t text
    19
D. t tex
    20

Answer: D

Question 14.
Consider the following code:
%hashA - ("alpha", "beta", "gamma", "albpa");
%hashA = reverse(%hashA);
print $hashA{"alpha"};
What is the result of executing this code?

A. The code outputs the following: alpha
B. The code outputs the following: beta
C. The code outputs the following: gamma
D. The code fails at line 3.

Answer: D

Question 15.
Consider the following command:
perl1 runme.pl arg1 arg2 arg3
Given this command issued on the command line, what is the value of $#ARGV?

A. 0
B. 1
C. 2
D. 3

Answer: C

Question 16.
Consider the following code:
$_ - "New York";
@array2 = split(//);
What is the value of $array2[0] after this code is executed?

A. ""
B. "New"
C. "NewYork"
D. "N"

Answer: B

Question 17.
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:
    1 2 3
B. The code will output the following:
    3
C. The code will output the following:
    3 2
D. The code will output the following:
    3 2 1

Answer: A

Question 18.
Consider the following program code:
%hash = ("small" -> "Boz",
"medium" => "16oz",
"large" => "32oz");
@keys = sort(keys(%hash));
for ($i = 0; $i < 3; $i++) {
print("$hash{$keys[$i]}\n");
}
What is the result of executing this program code?

A. The code will fail at line 1 because a hash cannot contain both numeric and string data.
B. The code will execute without error but will output nothing.
C. The will output the following:
    32oz
    16oz
    8oz
D. The code will output the following:
    large
    medium
    small

Answer: C

Question 19.
Which of the following choices demonstrates the correct syntax to pass a reference to a subroutine?

A. \@array4;
B. @array4($ref);
C. get pass(\@array4);
D. get pass{@array4};

Answer: C

Question 20.
Consider the following program code:
$x – 0;
$y = 5;
do
{
print ("$x $y ");
) while (++$x < 5 && ++$y < 10);
print ("$x $y ");
What is the result of executing this program code?

A. The code will output the following:
    1 6 2 7 3 8 4 8 5 10 6 11
B. The code will output the following:
    0 5 1 6 2 7 3 8 4 9 4 9
C. The code will output the following:
    0 5 1 6 2 7 3 8 4 9 5 10
D. The code will output the following:
    0 5 1 6 2 7 3 8 4 9 5 9

Answer: D

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