CIW 1D0-437 Exam Practice Test Instant Access

Question 1

Which one of the following choices is a unary operator that can apply to only a single variable?

A++

B**

D<>

Answer : A

Question 2

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

Ado (print 'Hello $a') until ($a = 10);

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

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

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

Answer : C

Question 3

The values function performs which task?

AGenerates a list of hash keys

BGenerates a list of hash values

CReturns the number of key/value pairs

DReads the hash values into an array

Answer : B

Question 4

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?

Aapples
oranges
pears
plums

BThe code will output the following:
Masami 10 11 12 13

CThe code will output the following:
10 Masami 10 11 12 13

DThe code will output the following:
10 Masami 11 12 13 Niklas

EThe code will output the following:
Masami 10 11 12 13 Niklas

Answer : A

Question 5

Consider the following assignments

$x = 9

$y = 7

$z = 5

Given these assignments, which 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;

Answer : C

Question 6

Consider the following program code:

@arrayA = (10, 20, 30);

@arrayB = @arrayA;

$arrayB[1] = 40;

print $arrayA[1];

What is the output of this code?

A10

B20

C30

D40

Answer : B

Question 7

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

AWriting pseudo-code before beginning the script

BWriting modular code

CDeclaring and initializing variables

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

Answer : D

CIW 1D0-437 CIW Perl Specialist Exam Practice Test