COMPUTER NETWORKING QUIZ

Under what circumstance is it impossible to assign a default value to a parameter while declaring a function?

When the parameter is Boolean

When the function is being declared as a member of a class

When the function contains only one parameter

Never

When the parameter is being declared as passed by reference

TRUE ANSWER : ?
YOUR ANSWER : ?

PHP ..... demand that you declare a data type when you create a variable.

does not

does

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following php code? $num = 1; $num1 = 2; print $num . "+". $num1;

1.+.2

3

1+2

Error

TRUE ANSWER : ?
YOUR ANSWER : ?

Variables always start with a ........ in PHP

Yen-sign

Dollar-sign

Pond-sign

Euro-sign

TRUE ANSWER : ?
YOUR ANSWER : ?

When a simple data type is casted to an array, an array is created with the original value in the first element.

False

True

TRUE ANSWER : ?
YOUR ANSWER : ?

If $a = 12 what will be returned when ($a == 12) ? 5 : 1 is executed?

12

Error

5

1

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following php statement/statements will store 111 in variable num? 1. int $num = 111; 2. int mum = 111; 3. $num = 111; 4. 111 = $num;

All of the mentioned

Only 3

Only 1

Both 1 and 2

TRUE ANSWER : ?
YOUR ANSWER : ?

You can test the type of any variable with the ..... function.

settype()

gettype()

whattype()

showtype()

TRUE ANSWER : ?
YOUR ANSWER : ?

We can use _________ to comment a single line? 1. /? 2. // 3. # 4. /* */

Only 2

1, 3 and 4

2, 3 and 4

Both 2 and 4

TRUE ANSWER : ?
YOUR ANSWER : ?

String values must be enclosed in ......

both A and B

double quotes

none of above

single quotes

TRUE ANSWER : ?
YOUR ANSWER : ?

Under what circumstance is it impossible to assign a default value to a parameter while declaring a function?

PHP ..... demand that you declare a data type when you create a variable.

What will be the output of the following php code?<br/>$num = 1;<br/>$num1 = 2;<br/>print $num . "+". $num1;

Variables always start with a ........ in PHP

When a simple data type is casted to an array, an array is created with the original value in the first element.

If $a = 12 what will be returned when ($a == 12) ? 5 : 1 is executed?

Which of the following php statement/statements will store 111 in variable num?<br/>1. int $num = 111;<br/>2. int mum = 111;<br/>3. $num = 111;<br/>4. 111 = $num;

You can test the type of any variable with the ..... function.

We can use _________ to comment a single line?<br/>1. /?<br/>2. //<br/>3. #<br/>4. /* */

String values must be enclosed in ......