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CIW 1D0-437 - CIW PERL FUNDAMENTALS

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Total 149 questions

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

A.

\@array4;

B.

@array4($ref);

C.

getpass(\@array4);

D.

getpass{@array4};

Consider the following program code:

@array = (10, Masami, 10..13, Niklas);

for ($i = 1; $i < $#array; $i++)

{

print($array[$i] );

}

What is the result of executing this program code?

A.

The code will output the following:

Masami 10 11 12 13

B.

The code will output the following:

10 Masami 10 11 12 13

C.

The code will output the following:

10 Masami 11 12 13 Niklas

D.

The code will output the following:

Masami 10 11 12 13 Niklas

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 lines of code:

sub mySub {

$_ = @_[1];

$a = shift;

$b = shift;

return $a * $b * $_;

}

mySub(1,2,3);

What is the output of these lines of code?

A.

No output results from this code.

B.

6

C.

2

D.

4

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

A.

close (INPUT, $file);

B.

closeINPUT;

C.

INPUT(close, $file);

D.

close(INPUT);

Which of the following tasks is the least effective in reducing errors in Perl scripts?

A.

Writing pseudo-code before beginning the script

B.

Writing modular code

C.

Declaring and initializing variables

D.

Using the no strict <'refs' | 'vars' | 'subs'>; commands in the code

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

A.

The code will output the following:

20 100 Apple Grapefruit Orange

B.

The code will output the following:

Apple Grapefruit Orange 20 100

C.

The code will output the following:

100 20 Apple Grapefruit Orange

D.

The code will output the following:

Orange Grapefruit Apple 100 20

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

Consider the following program code:

@array = ("one", "two");

push(@array, "three");

shift(@array);

unshift(@array, "four");

pop(@array);

print($array[0]);

What is the output of this code?

A.

one

B.

two

C.

three

D.

four

Consider the following program code:

1.$x = 100;

2.$y = 15;

3.$result = $x % $y;

4.

5.print $result;

What is the result of executing this program code?

A.

The code will fail at line 3 because % is a unary operator.

B.

The code will output the following:

10E+16

C.

The code will output the following:

10

D.

The code will fail at line 5 because $result is not enclosed by parentheses.