Question 1

Which of the following is the correct format of an email address?

Accepted Answer

Email addresses follow the format username@domain.com, where @ separates the username from the domain name.

Question 2

What does URL stand for in internet terminology?

Accepted Answer

URL stands for Uniform Resource Locator, which is the address used to access websites and resources on the internet.

Question 3

Which protocol is used for secure internet communication and starts with 'https'?

Accepted Answer

HTTPS (HyperText Transfer Protocol Secure) is the secure version of HTTP that encrypts data during transmission over the internet.

Question 4

What is the primary function of a web browser?

Accepted Answer

A web browser is software designed to retrieve, display, and navigate web pages from the internet.

Question 5

Which of the following is a valid example of a domain name?

Accepted Answer

www.google.com is a valid domain name; 192.168.1.1 is an IP address, and the others are not proper domain formats.

Question 6

What does ISP stand for in the context of internet connectivity?

Accepted Answer

ISP stands for Internet Service Provider, which is a company that provides internet connectivity to users.

Question 7

Which of the following is the correct format of an IP address in IPv4?

Accepted Answer

IPv4 addresses consist of four decimal numbers separated by dots (dotted decimal notation), each ranging from 0 to 255.

Question 8

What is the primary purpose of a Domain Name System (DNS)?

Accepted Answer

DNS translates human-readable domain names (like www.example.com) into corresponding IP addresses that computers can understand.

Question 9

Which protocol is used for securely transmitting web pages over the internet?

Accepted Answer

HTTPS (HyperText Transfer Protocol Secure) is the encrypted version of HTTP that protects data transmitted between a web browser and server.

Question 10

What does the acronym ISP stand for in the context of internet connectivity?

Accepted Answer

ISP refers to companies that provide internet connectivity and related services to individual users and organizations.

Question 11

Which of the following is an example of a top-level domain (TLD)?

Accepted Answer

Top-level domains are the highest level in the DNS hierarchy, such as .com, .org, .edu, and country-specific domains like .in.

Question 12

What is the standard port number used by HTTP for web communication?

Accepted Answer

HTTP uses port 80 by default for unencrypted web traffic, while HTTPS uses port 443.

Question 13

Which device is essential for connecting multiple computers to share internet connection in a local network?

Accepted Answer

A router enables multiple devices to connect to the internet and communicate with each other by distributing the internet connection across a local network.

Question 14

Which of the following is the correct format of an IPv4 address?

Accepted Answer

IPv4 addresses consist of exactly four decimal octets (0-255) separated by dots, such as 192.168.1.1.

Question 15

What is the primary function of the Domain Name System (DNS) in internet communication?

Accepted Answer

DNS acts as the internet's address book by converting domain names (like google.com) into numerical IP addresses that computers can understand.

NDA Internet Basics

Internet Basics — Practice Questions