Pass 1D0-437 Exam Guide

CIW PERL FUNDAMENTALS Questions and Answers

Question 9

Which one of the following statements opens a file for appending?

open(PASSWD, ">/etc/passwd");

open(PASSWD ">/etc/passwd");

open(PASSWD, ">>/etc/passwd");

open(PASSWD "+>/etc/passwd");

Question 10

Which statement will print the capital attribute of the $kansas object?

print ("capital"=>$kansas);

print {$kansas}=>(capital);

print (capital)<={$kansas};

print $kansas->{"capital"};

Question 11

Consider the following program code:

1.$x = 100;

2.$y = "-25";

3.$sum = $x + $y;

5.print $sum;

What is the result of executing this program code?

The code will output the following:

100-25

The code will output the following:

The code will fail at line 3 because $y contains string data.

The code will output the following:

125

Question 12

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

@cities = Akron, Memphis, Ogden, Phoenix;

@cities =~ ("Akron, Memphis");

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

@cities = ("Akron");