CIW 1D0-437 Exam Practice Test Instant Access

Question 1

Which statement is the most accurate?

ATheunshiftfunction removes elements from the beginning of an array.

BTheunshift function adds elements to the end of an array.

CThe shift function adds elements to the end of an array.

DThe shift function removes elements from the beginning of an array.

Answer : D

Question 2

Consider the following program code:

$x = 5;

$y = 10;

while(++$x < 10 && ++$y < 15)

{

print ($x $y );

}

print ($x $y );

What is the result of executing this program code?

AThe code will output the following:
6 11 7 12 8 13 9 14 10 15

BThe code will output the following:
6 11 7 12 8 13 9 14 10 14

CThe code will output the following:
5 10 6 11 7 12 8 13 9 13

DThe code will output the following:
5 10 6 11 7 12 8 13 9 14

Answer : B

Question 3

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

Awhile {0} (print 'OK');

Bwhile ($c != 99) {print 'OK'}

Cwhile {$beq 'OK'} (print '$a++');

Dwhile ($_) Do {print 'OK');

Answer : B

Question 4

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

Question 5

Consider the following program code:

1.$x = 100;

2.$y = 15;

3.$result = $x % $y;

5.print$result;

What is the result of executing this program code?

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

BThe code will output the following:
10E+16

CThe code will output the following:
10

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

Answer : C

Question 6

Which statement is the most accurate?

AThe push function adds elements to the beginning of an array.

BThe push function removes the first element in an array.

CThe pop function removes the first element in an array.

DThe pop function removes the last element in an array.

Answer : D

Question 7

Which one of the following choices uses the correct syntax for a valid array assignment?

A@cities =Akron, Memphis, Ogden, Phoenix;

B@cities =~ ('Akron, Memphis');

C@cities =~ (Akron, Memphis, Ogden, Phoenix);

D@cities = ('Akron');

Answer : D

CIW 1D0-437 CIW Perl Specialist Exam Practice Test