Internet and Web Technologies MCQs

Practice Internet MCQs covering WWW, browsers, search engines, URL, HTTP, HTTPS, email and web technologies with answers and explanations.

461 Total
Question #1 Report Error
Which of the following application layer protocols is designed to be stateless, meaning the server does not retain any information about past user requests by default?
A. HTTP
B. FTP
C. SMTP
D. POP3

Correct Answer: Option A


Explanation:
HTTP (Hypertext Transfer Protocol) is a stateless protocol because each request is executed independently, without the server retaining context or session information from previous requests.

This question belongs to: Computer Internet and Web Technologies
Question #2 Report Error
In a URL scheme like '[https://www.example.com:8080/index.html](https://www.google.com/search?q=https://www.example.com:8080/index.html)', what does the component '8080' specifically represent?
A. The encryption key length
B. The sub-domain identifier
C. The network port number
D. The directory path length

Correct Answer: Option C


Explanation:
The number after the colon following the host or domain name represents the specific port number over which the network service is being accessed.

This question belongs to: Computer Internet and Web Technologies
Question #3 Report Error
Which standard cryptographic protocol is most commonly used to establish an encrypted and secure link between a web browser and a web server in modern HTTPS implementations?
A. PPTP
B. SFTP
C. SSH
D. TLS

Correct Answer: Option D


Explanation:
Transport Layer Security (TLS) is the modern cryptographic protocol that has succeeded Secure Sockets Layer (SSL) to secure HTTP communications over HTTPS.

This question belongs to: Computer Internet and Web Technologies
Question #4 Report Error
When an email is sent, which protocol is responsible for transferring the message from the client's email application to the outgoing mail server?
A. IMAP
B. SMTP
C. FTP
D. POP3

Correct Answer: Option B


Explanation:
SMTP (Simple Mail Transfer Protocol) is used for sending and transferring email messages from a client application to a mail server, and between mail servers.

This question belongs to: Computer Internet and Web Technologies
Question #5 Report Error
What is the primary function of a search engine's 'web crawler' or 'spider'?
A. To systematically browse the World Wide Web and index page content
B. To scan incoming email traffic for malicious spam attachments
C. To execute complex SQL queries on distributed user databases
D. To accelerate the rendering speed of heavy client-side JavaScript

Correct Answer: Option A


Explanation:
A web crawler systematically explores the internet by following hyperlinks from page to page to discover, fetch, and index web content for search engines.

This question belongs to: Computer Internet and Web Technologies
Question #6 Report Error
Which HTTP status code is returned by a web server to indicate that the requested resource could not be found?
A. 200 OK
B. 301 Moved Permanently
C. 404 Not Found
D. 500 Internal Server Error

Correct Answer: Option C


Explanation:
The 404 Not Found status code indicates that the server cannot find the specific resource or page requested by the client browser.

This question belongs to: Computer Internet and Web Technologies
Question #7 Report Error
Which email protocol downloads messages to a local device and, by default configuration, deletes them from the remote mail server?
A. IMAP
B. HTTP
C. SMTP
D. POP3

Correct Answer: Option D


Explanation:
POP3 (Post Office Protocol version 3) retrieves emails by downloading them to a local client device and typically deleting them from the mail server data storage.

This question belongs to: Computer Internet and Web Technologies
Question #8 Report Error
What does the 'WWW' stand for, and who is officially credited with its invention?
A. World Wide Web, Tim Berners-Lee
B. Web Working Wireless, Robert Kahn
C. World Wide Web, Alan Turing
D. World Wide Wireless, Vint Cerf

Correct Answer: Option A


Explanation:
The World Wide Web (WWW) was invented by the British scientist Sir Tim Berners-Lee while working at CERN in 1989.

This question belongs to: Computer Internet and Web Technologies
Question #9 Report Error
Which technology allows web browsers to store small pieces of data locally on a user's machine to track session states, preferences, and login status?
A. DNS Records
B. Cache
C. Hyperlinks
D. Cookies

Correct Answer: Option D


Explanation:
Cookies are small text files created by web servers and stored on the user's browser to retain user-specific data and track session activity.

This question belongs to: Computer Internet and Web Technologies
Question #10 Report Error
In the context of web technologies, what does the acronym 'URL' stand for?
A. Uniform Routing Link
B. Unified Resource Locator
C. Universal Routing Location
D. Uniform Resource Locator

Correct Answer: Option D


Explanation:
URL stands for Uniform Resource Locator, which serves as the global address mechanism used to locate resources on the World Wide Web.

This question belongs to: Computer Internet and Web Technologies