What does DNS stand for in the context of the internet?
Domain Name System
Dynamic Network Service
Digital Naming Service
Data Network System
Correct Answer :
A. Domain Name System
Related Questions
Which of the following is an example of a network protocol?
JPEG
HTTP
MP3
PNG
What is a primary key in a database table?
A key used to unlock the database
A key used for encryption
A unique identifier for each record in the table
A key used for sorting records
What is the purpose of a while loop in programming?
To define a function
To create graphics
To execute a block of code a specific number of times
To repeat a block of code while a condition is true
Which of the following is not a fundamental data type in Python?
int
float
list
char
What is the purpose of a relational database?
To store and manage data in a tabular format with relationships between tables
To display web pages
To protect against viruses
To create graphics
What is the purpose of the continue statement in programming?
To exit a loop prematurely
To define a function
To print output to the console
To create a loop
Which data structure uses a First-In-First-Out (FIFO) order?
Stack
Queue
Linked List
Binary Tree
In object-oriented programming, what is an instance of a class?
A variable
A function
An object created based on the class
A class variable
What is a pointer in the C programming language?
A data type used to store text
A variable that stores multiple values
A variable that stores the memory address of another variable
A type of loop
What is the binary representation of the decimal number 42?
00101010
10101010
11010010
01010101
What does the term ASCII stand for in the context of character encoding?
American Standard Code for Information Interchange
Advanced Standard Character Set Instruction
Automated System for Computer Information
Algorithmic Symbol Coding and Interpretation
What is a network firewall used for?
To protect against physical intrusions
To block unwanted network traffic and protect a network from unauthorized access
To boost network speed
To filter spam emails
Which of the following is not a primary color in the RGB color model?
Red
Green
Blue
Yellow
Which programming language is often used for data analysis and machine learning?
Java
Ruby
Python
C#
Which data structure uses a Last-In-First-Out (LIFO) order?
Queue
Stack
Linked List
Tree
What is the purpose of the while loop in programming?
To execute a block of code a specific number of times
To define a function
To make decisions and execute code conditionally
To repeat a block of code while a condition is true
What is a data structure in programming?
A type of loop
A category of values with a common set of operations
A programming language
A set of rules for writing code
What is the main purpose of a function in programming?
To store data
To execute code in a random order
To perform a specific task or computation
To create graphics
In the context of cybersecurity, what does the term phishing refer to?
Catching harmful computer viruses
Fishing for personal information through deceptive emails or websites
Encrypting data for security
Scanning for network vulnerabilities
In object-oriented programming, what is a class?
A type of data structure
A step-by-step procedure
A blueprint for creating objects
A loop
What is the purpose of a constructor in object-oriented programming?
To define a function
To create graphics
To initialize the attributes of an object when it is created
To exit a loop
What is the purpose of the switch statement in programming?
To execute code based on multiple conditions
To define a function
To create graphics
To exit a loop
What is the primary function of an operating system?
To manage hardware resources and provide services for software
To run applications
To create graphics
To store data
What does HTTP stand for in the context of web communication?
HyperText Transfer Protocol
HyperTransfer Text Protocol
HyperTransfer Transfer Protocol
HyperText Text Protocol
What does the term bit stand for?
Binary Text
Binary Information Transfer
Binary Digit
Byte Interval Time
What is the purpose of the elif statement in Python?
It is used to define a new variable.
It is used to handle exceptions.
It is used to execute code if the if condition is false.
It is used to test multiple conditions sequentially.
In object-oriented programming, what is encapsulation?
The process of converting code into an executable program
The process of hiding the implementation details of an object
The process of compiling code
The process of optimizing code for performance
What is an IP address used for in computer networking?
To identify a specific website
To identify a specific computer or device on a network
To encrypt network traffic
To block spam emails
What does the term HTTP request refer to in web development?
A request for information sent from a web server to a web client
A request for information sent from a web client to a web server
A request to download a web page
A request to play a video on a web page
Which programming paradigm is based on the concept of objects?
Functional programming
Procedural programming
Object-oriented programming
Declarative programming