Explore topic-wise MCQs in CommScope.

This section includes 22 Mcqs, each offering curated multiple-choice questions to sharpen your CommScope knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the simplest method of computing the sum of all the elements of an array?

A. array_intersect()
B. array_count()
C. array_sum()
D. array_value_count()
Answer» D. array_value_count()
Discussion
2.

Which PHP function or variable will return the value of current session id?

A. session_id()
B. get_session_id;
C. $_SESSION[CURRENT_ID];
D. $_SESSION[ID]
Answer» B. get_session_id;
Discussion
3.

Which is a valid character for starting a PHP function name?

A. Dollar Sign ($)
B. Underscore (_)
C. Percent (%)
D. All of the above
Answer» C. Percent (%)
Discussion
4.

Which of those is not magic method?

A. __autoload
B. __clone
C. __sleep
D. __toint
Answer» E.
Discussion
5.

A constructor that is automatically generated in the absence of explicit constructors called?

A. Default Constructor
B. Nullary Constructor
C. Empty Constructor
D. All the above
Answer» E.
Discussion
6.

Which method is called first by an applet program?

A. start( )
B. run( )
C. init( )
D. begin( )
Answer» D. begin( )
Discussion
7.

JAR stands for ________.

A. Java Application Runner
B. Java Archive Runner
C. Java Archive
D. None of these
Answer» D. None of these
Discussion
8.

Which of the following is NOT a keyword in Java?

A. Instanceof
B. emun
C. transient
D. strictfp
Answer» C. transient
Discussion
9.

Which of these is supported by method overriding in Java?

A. Abstraction
B. Encapsulation
C. Polymorphism
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
10.

_______ is a default access specifier for members of structures in C++.

A. protected
B. public
C. private
D. default
Answer» C. private
Discussion
11.

In c++ object of the class is also called?

A. Constants
B. Tag
C. Instance
D. Data collection
Answer» D. Data collection
Discussion
12.

________ allows to create classes which are derived from other classes, so that they automatically include some of its "parent's" members, plus its own members.

A. Overloading
B. Inheritance
C. Polymorphism
D. Encapsulation
Answer» C. Polymorphism
Discussion
13.

C++ can be said to be as C language with

A. Structures
B. Functions
C. Classes
D. Global data
Answer» D. Global data
Discussion
14.

Which of the following is not a member of class?

A. Static function
B. Friend function
C. Const function
D. Virtual function
Answer» D. Virtual function
Discussion
15.

When a method in a subclass has the same name and type signatures as a method in the superclass, then the method in the subclass _____ the method in the super class.

A. Overloads
B. Friendships
C. Inherits
D. Overrides
Answer» E.
Discussion
16.

Which of the following storage classes have global visibility in C++?

A. Register
B. Static
C. Auto
D. Extern
Answer» E.
Discussion
17.

In which field the static RAM is less complicated than dynamic RAM

A. Cost
B. Execution unit
C. Interfacing circuit
D. Complexity
Answer» D. Complexity
Discussion
18.

What is the first element in a sting?

A. The name of the string
B. The length of the string
C. The address of the string
D. The first character in the string
Answer» B. The length of the string
Discussion
19.

When our function doesn’t need to return anything means what we will put as parameter in function?

A. void
B. blank space
C. null
D. none of the mentioned
Answer» C. null
Discussion
20.

SQL stands for _______

A. Structured Query Language
B. Sequential Query Language
C. Structured Question Language
D. Structured Question Language
Answer» B. Sequential Query Language
Discussion
21.

What is storage of 10 KB means in number of bytes?

A. 1000
B. 10240
C. 1024
D. None of these
Answer» C. 1024
Discussion
22.

What is a half byte known as?

A. data
B. bit
C. bill
D. nibble
Answer» E.
Discussion