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.

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Total Questions

Practice Questions

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Question #21
Which organization is responsible for developing and maintaining international standards and guidelines for the World Wide Web?
A. W3C
B. IEEE
C. ICANN
D. IETF
Discuss
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Correct Answer: Option A

Explanation:
The World Wide Web Consortium (W3C) is the primary international standards organization responsible for developing protocols and core guidelines for the WWW.
This question belongs to: Computer Internet and Web Technologies
Question #22
Which of the following HTTP methods is used to submit data to be processed to a specified resource, often resulting in a state change or side effects on the server?
A. POST
B. GET
C. HEAD
D. OPTIONS
Discuss
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Correct Answer: Option A

Explanation:
The POST method is designed to send data to a server to create or update a resource, frequently used during form submissions.
This question belongs to: Computer Internet and Web Technologies
Question #23
What mechanism translates a human-readable domain name (like [www.google.com](https://www.google.com)) into a machine-readable IP address?
A. DHCP
B. NAT
C. DNS
D. ARP
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Correct Answer: Option C

Explanation:
DNS (Domain Name System) functions as the phonebook of the internet, resolving alphabetical domain names to numerical IP addresses.
This question belongs to: Computer Internet and Web Technologies
Question #24
Which of the following is an extension to the basic email protocol that permits the transmission of non-text attachments such as images, audio, and documents?
A. POP3
B. SMTP
C. IMAP
D. MIME
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Correct Answer: Option D

Explanation:
MIME (Multipurpose Internet Mail Extensions) extends the basic email capabilities to allow multimedia attachments and non-ASCII character sets.
This question belongs to: Computer Internet and Web Technologies
Question #25
What is the primary purpose of 'incognito' or 'private browsing' mode available in modern web browsers?
A. To bypass paid subscription firewalls and access locked web content
B. To prevent the local device from saving browsing history, cookies, and form data
C. To completely encrypt all outgoing network traffic from the computer
D. To provide absolute anonymity from Internet Service Providers (ISPs)
Discuss
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Correct Answer: Option B

Explanation:
Private browsing modes simply ensure that your local session history, cookies, and temporary data are wiped from the device when the window is closed.
This question belongs to: Computer Internet and Web Technologies
Question #26
Which search engine is renowned for its strict commitment to user privacy by explicitly refusing to track search histories or profile users?
A. Baidu
B. Yahoo!
C. DuckDuckGo
D. Bing
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Correct Answer: Option C

Explanation:
DuckDuckGo differentiates itself from other search engines by prioritizing user privacy and avoiding personalized search tracking profiles.
This question belongs to: Computer Internet and Web Technologies
Question #27
In web development, what language is used primarily to define the presentation, layout, and visual styling of a web document written in HTML?
A. JavaScript
B. SQL
C. PHP
D. CSS
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Correct Answer: Option D

Explanation:
CSS (Cascading Style Sheets) handles the layout, design, formatting, and presentation logic of web content.
This question belongs to: Computer Internet and Web Technologies
Question #28
Which of the following is an example of an open-source web browser developed by the Mozilla Foundation?
A. Firefox
B. Chrome
C. Safari
D. Edge
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Correct Answer: Option A

Explanation:
Firefox is a popular open-source web browser developed and managed by the Mozilla Foundation and its subsidiary.
This question belongs to: Computer Internet and Web Technologies
Question #29
What type of software application serves as the user interface to query, retrieve, and present information resources from the World Wide Web?
A. Hypermedia Editor
B. Search Engine
C. Web Browser
D. Web Server
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Correct Answer: Option C

Explanation:
A web browser is a client-side application software program designed to fetch, render, and display resources distributed across the WWW.
This question belongs to: Computer Internet and Web Technologies
Question #30
What standard protocol is used for securely transmitting files over an encrypted SSH connection on the internet?
A. FTP
B. SFTP
C. SMTP
D. HTTP
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Correct Answer: Option B

Explanation:
SFTP (SSH File Transfer Protocol) utilizes Secure Shell (SSH) security to provide safe and encrypted file transfer channels over networks.
This question belongs to: Computer Internet and Web Technologies
Question #31
Which part of an email address indicates the specific domain or host mail server where the mailbox is located?
A. The subject line header
B. The text following the '@' symbol
C. The text preceding the '@' symbol
D. The signature block
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Correct Answer: Option B

Explanation:
In an email address format (username@domain.com), the part following the '@' symbol represents the target host domain or mail server.
This question belongs to: Computer Internet and Web Technologies
Question #32
What is the name given to the primary or introductory page of a website, which usually acts as an index for navigation?
A. Hyperlink Page
B. Host Page
C. Home Page
D. Site Map
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Correct Answer: Option C

Explanation:
The home page is the initial, default page of a website that welcomes users and provides links to other sub-sections.
This question belongs to: Computer Internet and Web Technologies
Question #33
Which of the following marks the difference between the 'Internet' and the 'World Wide Web'?
A. The Internet is local; the WWW is global.
B. There is no difference; they are exactly identical terms.
C. The WWW is the physical infrastructure of fiber cables; the Internet is software.
D. The Internet is a global network of interconnected hardware; the WWW is an information service operating on top of it.
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Correct Answer: Option D

Explanation:
The Internet refers to the vast physical infrastructure of interconnected hardware networks, whereas the WWW is an application layer information space utilizing that network.
This question belongs to: Computer Internet and Web Technologies
Question #34
What status code is returned by a web server to indicate a '301' redirection?
A. Moved Permanently
B. Unauthorized Access
C. Bad Gateway
D. Request Timeout
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Correct Answer: Option A

Explanation:
A 301 status code signifies a permanent redirection, indicating that the requested resource has been assigned a new permanent URI.
This question belongs to: Computer Internet and Web Technologies
Question #35
Which of the following parameters uniquely distinguishes a 'Deep Web' page from a standard surface web page?
A. It is encrypted using military-grade security.
B. It can only be accessed using specialized Tor networks.
C. It requires high-speed fiber optic connectivity to load.
D. It is not indexed by conventional search engine crawlers.
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Correct Answer: Option D

Explanation:
The Deep Web encompasses parts of the internet not indexed by traditional search engines, including password-protected portals and private databases.
This question belongs to: Computer Internet and Web Technologies
Question #36
What technology is primarily used to build structures and arrange textual information on a webpage?
A. CSS
B. SQL
C. JavaScript
D. HTML
Discuss
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Correct Answer: Option D

Explanation:
HTML (Hypertext Markup Language) is the baseline markup framework used to define the core structural layout of web content.
This question belongs to: Computer Internet and Web Technologies
Question #37
Which element in a web browser maintains a local storage copy of recently accessed web images and pages to reduce bandwidth usage and improve subsequent load times?
A. History Log
B. Browser Cookie
C. Bookmark Index
D. Browser Cache
Discuss
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Correct Answer: Option D

Explanation:
The browser cache saves asset files locally so that when you revisit a page, the browser reloads components from the local disk rather than re-downloading them.
This question belongs to: Computer Internet and Web Technologies
Question #38
What is the primary function of the 'Blink' engine used in modern versions of Google Chrome and Microsoft Edge?
A. To compress incoming image files to save device RAM
B. To parse HTML and CSS code to visually render pages on the screen
C. To establish encrypted secure network handshakes
D. To filter out cross-site scripting (XSS) injection attempts
Discuss
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Correct Answer: Option B

Explanation:
Blink is a browser engine (rendering engine) that transforms raw code (HTML, CSS) into interactive visual frames on a user's screen.
This question belongs to: Computer Internet and Web Technologies
Question #39
Which standard port is used by default by the IMAP protocol for secure, encrypted email communication (IMAPS)?
A. 465
B. 143
C. 995
D. 993
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Correct Answer: Option D

Explanation:
While port 143 is default for unencrypted IMAP, port 993 is the standard allocated port for secure IMAP (IMAPS) over SSL/TLS.
This question belongs to: Computer Internet and Web Technologies
Question #40
What is the term used to describe unwanted, unsolicited bulk emails sent to thousands of recipients simultaneously?
A. Spam
B. Malware
C. Phish
D. Spoof
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Correct Answer: Option A

Explanation:
Spam refers specifically to unsolicited, irrelevant, or inappropriate commercial email messages distributed in mass volume.
This question belongs to: Computer Internet and Web Technologies

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