1D0-437 Exam Dumps - CIW PERL FUNDAMENTALS

Question # 4

Regular expressions are best used for which task?

To perform arithmetic functions

To determine whether a string matches a specific pattern

To perform spelling checks within text files

To output data to a text file

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Question # 5

Consider the program code in the attached exhibit. What is the result of executing this program code?

The code will output the following:

Bumblebee

The code will output the following:

HumhlHee

The code will output the following:

BumblHee

The code will output the following:

HumblHee

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Question # 6

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

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

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

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

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

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Question # 7

Consider the following code block:

BEGIN {print ("Jan ");}

BEGIN {print ("Feb ");}

END {print ("Mar ");}

END {print ("Apr ");}

Print ("May ");

What is the result of this code block?

Jan Feb May Apr Mar

Jan Feb Mar Apr May

Mar Apr May Jan Feb

May Jan Feb Mar Apr

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Question # 8

Consider the program code in the attached exhibit. What is the result of executing this program code?

The code will output the following:

3 4

The code will output the following:

1 2 3 4

The code will output the following:

1 2 4 5

The code will output the following:

1 2 5

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Question # 9

Which of the following accurately describes the roles of the Database Interface Module (DBI) and the Database Driver Module (DBD)?

DBI transmits instructions to a database; DBD directs method calls to DBI.

DBD transmits instructions to a database; DBI directs method calls to DBD.

DBI makes available database-specific code; DBD transmits method calls to DBI.

DBD makes available database-specific code; DBI translates method calls to DBD.

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Question # 10

Consider the following code:

%hashA = ("alpha", "beta", "gamma", "alpha");

%hashA = reverse(%hashA);

print $hashA{"alpha"};

What is the result of executing this code?

The code outputs the following:

alpha

The code outputs the following:

beta

The code outputs the following:

gamma

The code fails at line 3.

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Question # 11

Consider the following program code:

%color = (sun => yellow, apple => red);

reverse(%color);

@colorKeys = sort(keys(%color));

foreach(@colorKeys)

{

print($color{$_} . );

}

What is the result of executing this program code?

The code will output the following:

apple sun

The code will output the following:

sun apple

The code will output the following:

red yellow

The code will output the following:

apple red sun yellow

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Question # 12

Consider the program code in the attached exhibit. What is the result of executing this program code?

The code will output the following:

20 100 Apple Grapefruit Orange

The code will output the following:

Apple Grapefruit Orange 20 100

The code will output the following:

100 20 Apple Grapefruit Orange

The code will output the following:

Orange Grapefruit Apple 100 20

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Question # 13

Consider the following program code:

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

sort(@array);

print("@array");

What is the output of this code?

beta GaMmA ALPHA

ALPHA GaMmA beta

ALPHA beta GaMmA

beta ALPHA GaMmA

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Question # 14

Consider the following command:

perl runme.pl arg1 arg2 arg3

Given this command issued on the command line, what is the value of @ARGV?

arg1

runme.pl

arg1 arg2 arg3

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Question # 15

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

close (INPUT, $file);

closeINPUT;

INPUT(close, $file);

close(INPUT);

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Question # 16

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?

The code will fail at line 4.

The code will output the following:

Dogs bark

The code will output the following:

Cats purr

The code will output the following:

Fish swim

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Question # 17

Which of the following correctly creates a SQL statement that will insert the values of the $name and $age variables into a database? The statement is assigned to the $sqlStmt variable. Assume a CHAR data type for $name and an INT data type for $age.

$sqlStmt = q{INSERT INTO aTable (NAME, AGE) VALUES ($name, $age)};

$sqlStmt = q{INSERT INTO aTable (NAME, AGE) VALUES ($name\, $age)};

$sqlStmt = qq{INSERT INTO aTable (NAME, AGE) VALUES ($name, $age)};

$sqlStmt = qq{INSERT INTO aTable (NAME, AGE) VALUES (\$name\, $age)};

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Question # 18

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

\@array4;

@array4($ref);

getpass(\@array4);

getpass{@array4};

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Question # 19

Consider the following program code:

$x = 0;

$y = 5;

{

print ($x $y );

}

while (++$x < 5 && ++$y < 10);

print ($x $y );

What is the result of executing this program code?

The code will output the following:

1 6 2 7 3 8 4 8 5 10 6 11

The code will output the following:

0 5 1 6 2 7 3 8 4 9 4 9

The code will output the following:

0 5 1 6 2 7 3 8 4 9 5 10

The code will output the following:

0 5 1 6 2 7 3 8 4 9 5 9

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Question # 20

Yngve wants to define a character class that includes any alphanumeric word characters. Which one of the following choices is best suited for this requirement?

/[a-zA-Z_0-9]/;

/^w/;

/[^a-zA-Z_0-9]/;

/[^0-Z$]/;

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Question # 21

Consider the following lines of code:

@array1 = ("apples", "oranges", "pears", "plums");

foreach (@array1) {print "$_\n"};

What is the result of these lines of code?

applesorangespearsplums

apples oranges pears plums