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CIW 1D0-437 - CIW PERL FUNDAMENTALS

Page: 4 / 5
Total 149 questions

Which of the following choices demonstrates the correct syntax for creating a hash?

A.

%passwds = ("denise", "robert", "yolanda") => ("pass1", "pass2", "pass3");

B.

%passwds() = ("denise", "pass1", "robert", "pass2", "yolanda", "pass3");

C.

%passwds = (denise=> "pass1", robert=> "pass2", yolanda=> "pass3");

D.

%passwds{3} = ("denise", "robert", "yolanda") => ("pass1", "pass2", "pass3");

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.

A.

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

B.

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

C.

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

D.

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

Which of the following is a valid subroutine name?

A.

_funct7

B.

get-pass

C.

#sub1

D.

@passwd

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 code block:

BEGIN {print ("Jan ");}

BEGIN {print ("Feb ");}

END {print ("Mar ");}

END {print ("Apr ");}

Print ("May ");

What is the result of this code block?

A.

Jan Feb May Apr Mar

B.

Jan Feb Mar Apr May

C.

Mar Apr May Jan Feb

D.

May Jan Feb Mar Apr

Consider the following assignments:

$x = 9

$y = 7

$z = 5

Given these assignments, which one of the following expressions evaluates as true?

A.

($x - $y) != ($y - $z);

B.

($z * 2) <= $x;

C.

($y + $z + $x) = $y*3;

D.

($x 2) > $y;

Consider the following program code:

$val = 5;

if ($val++ == 6)

{

print("True ");

}

else

{

print("False ");

}

if ($val++ == 6)

{

print("True ");

}

else

{

print("False ");

}

What is the output of this code?

A.

False False

B.

False True

C.

True False

D.

True True

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);

Consider the following program code:

@stack = (10, 10..25);

push(@stack, yellow);

shift(@stack);

push(@stack, white);

print shift(@stack);

What is the result of executing this program code?

A.

The code will fail at line 3 because shift requires two arguments.

B.

The code will output the following:

11

C.

The code will output the following:

10

D.

The code will output the following:

white

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

A.

while {0} (print "OK");

B.

while ($c != 99) {print "OK"}

C.

while {$b eq "OK"} (print "$a++");

D.

while ($_) Do {print "OK");