Internet and Web Technologies MCQs

Computer

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 Questions

Practice Questions

Page 1 of 24
Question #1
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. SMTP
B. HTTP
C. FTP
D. POP3
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option B

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
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 directory path length
B. The network port number
C. The encryption key length
D. The sub-domain identifier
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option B

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
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. SSH
C. SFTP
D. TLS
Discuss
Get Complete Subject PDF for Computer

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
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. POP3
B. IMAP
C. FTP
D. SMTP
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option D

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
What is the primary function of a search engine's 'web crawler' or 'spider'?
A. To scan incoming email traffic for malicious spam attachments
B. To accelerate the rendering speed of heavy client-side JavaScript
C. To execute complex SQL queries on distributed user databases
D. To systematically browse the World Wide Web and index page content
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option D

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
Which HTTP status code is returned by a web server to indicate that the requested resource could not be found?
A. 200 OK
B. 404 Not Found
C. 301 Moved Permanently
D. 500 Internal Server Error
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option B

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
Which email protocol downloads messages to a local device and, by default configuration, deletes them from the remote mail server?
A. IMAP
B. POP3
C. SMTP
D. HTTP
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option B

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
What does the 'WWW' stand for, and who is officially credited with its invention?
A. World Wide Web, Tim Berners-Lee
B. World Wide Wireless, Vint Cerf
C. World Wide Web, Alan Turing
D. Web Working Wireless, Robert Kahn
Discuss
Get Complete Subject PDF for Computer

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
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. Cache
B. Hyperlinks
C. Cookies
D. DNS Records
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option C

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
In the context of web technologies, what does the acronym 'URL' stand for?
A. Uniform Resource Locator
B. Unified Resource Locator
C. Universal Routing Location
D. Uniform Routing Link
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option A

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
Question #11
Which open-source rendering engine was originally used as the foundation for Google Chrome and Apple Safari before Chrome shifted to the Blink engine?
A. Trident
B. Gecko
C. EdgeHTML
D. WebKit
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option D

Explanation:
WebKit is an open-source browser rendering engine that powered both early versions of Google Chrome and continues to power Apple Safari.
This question belongs to: Computer Internet and Web Technologies
Question #12
Which of the following fields in an email header allows you to send a copy of a message to a recipient without their email address being visible to other recipients?
A. Subject
B. Cc
C. Bcc
D. To
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
Bcc stands for Blind Carbon Copy. Addresses added to the Bcc field are hidden from all other recipients of the email.
This question belongs to: Computer Internet and Web Technologies
Question #13
Which of the following is considered the world's first graphical web browser that popularized the World Wide Web beyond academic circles?
A. Internet Explorer
B. Mosaic
C. Opera
D. Nexus
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option B

Explanation:
NCSA Mosaic, released in 1993, was the first widely used graphical web browser that brought multi-media capability to the general public.
This question belongs to: Computer Internet and Web Technologies
Question #14
What is the standard network port number allocated for unencrypted HTTP traffic by default?
A. 21
B. 80
C. 443
D. 25
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option B

Explanation:
Port 80 is the standard default port assigned for handling unencrypted web traffic via the Hypertext Transfer Protocol (HTTP).
This question belongs to: Computer Internet and Web Technologies
Question #15
What is the standard network port number allocated for secure HTTPS traffic by default?
A. 443
B. 8080
C. 80
D. 143
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option A

Explanation:
Port 443 is the standard default network port used for secure web traffic over Hypertext Transfer Protocol Secure (HTTPS).
This question belongs to: Computer Internet and Web Technologies
Question #16
Which of the following email protocols allows users to organize emails into folders on the remote server and synchronizes changes across multiple client devices?
A. IMAP
B. SMTP
C. FTP
D. POP3
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option A

Explanation:
IMAP (Internet Message Access Protocol) leaves messages on the mail server and synchronizes states, folders, and reads across all connected devices seamlessly.
This question belongs to: Computer Internet and Web Technologies
Question #17
What web technology allows interactive, asynchronous updates to a web page by requesting small amounts of data from the server in the background without reloading the entire page?
A. AJAX
B. XML
C. HTML5
D. CSS3
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option A

Explanation:
AJAX (Asynchronous JavaScript and XML) is a development technique used to create interactive web applications that update data dynamically without a full-page reload.
This question belongs to: Computer Internet and Web Technologies
Question #18
Which file is placed on a website's server to give instructions to search engine web crawlers about which paths and directories should not be scanned or indexed?
A. htaccess
B. robots.txt
C. sitemap.xml
D. index.html
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option B

Explanation:
The robots.txt file is a standard text file used by websites to guide web robots and crawlers regarding which parts of the site they are allowed to index.
This question belongs to: Computer Internet and Web Technologies
Question #19
Which of the following extensions in a URL represents a top-level domain (TLD) reserved exclusively for accredited educational institutions?
A. .com
B. .gov
C. .org
D. .edu
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option D

Explanation:
The '.edu' top-level domain (TLD) is reserved strictly for educational organizations and institutional bodies, primarily in the United States.
This question belongs to: Computer Internet and Web Technologies
Question #20
What type of software architecture pattern does the relationship between a modern web browser and a remote web server represent?
A. Master-Slave
B. Peer-to-Peer
C. Client-Server
D. Monolithic
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
Web browsing relies on a Client-Server model, where the web browser acts as the client requesting resources, and the web server processes and responds to those requests.
This question belongs to: Computer Internet and Web Technologies

More Computer Topics

Computer Abbreviations MCQs
Computer Fundamentals MCQs
Computer Hardware MCQs
Computer Networking MCQs
Computer Software MCQs
CPU (Central Processing Unit) MCQs
Cyber Security MCQs
Database Management System (DBMS) MCQs
Memory and Storage Devices MCQs
Microsoft Office MCQs
Operating Systems MCQs
Programming Languages MCQs
Today's Top Topics
Computer Software 347 Computer Hardware 430 Memory and Storage Devices 438 Internet and Web Technologies 461 Operating Systems 510
Explore Subjects
Computer 5279 Reasoning 2064 Maths 5575 Static General Knowledge 6362 Science 4430
Practice Mix
Which of the following is a classic Tennis grand slam tournament held on clay courts?
What will come in place of the question mark (?) in the following number series? 0, 6, 24, 60, 120, ?
She said, 'If I were you, I would accept the offer.'
What is the capital of Uzbekistan?
The tournament ______ they organized was successful.