What mechanism translates a human-readable domain name (like [www.google.com](https://www.google.com)) into a machine-readable IP address? MCQ with Answer and Explanation

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. ARP
C. NAT
D. DNS
Answer: Option D
Solution (By JKSSB Mock Tests)
DNS (Domain Name System) functions as the phonebook of the internet, resolving alphabetical domain names to numerical IP addresses.

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Practice More Internet and Web Technologies Questions

Question #1
Which type of software vulnerability involves an attacker injecting malicious scripts into trusted websites, which are then executed by unsuspecting client web browsers?
A. Buffer Overflow
B. SQL Injection
C. Denial of Service (DoS)
D. Cross-Site Scripting (XSS)

Correct Answer: Option D


Explanation:
Cross-Site Scripting (XSS) is a security vulnerability where malicious script blocks are injected into reliable web templates, running malicious scripts directly inside client browsers.

This question belongs to: Computer Internet and Web Technologies
Question #2
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. The WWW is the physical infrastructure of fiber cables; the Internet is software.
C. The Internet is a global network of interconnected hardware; the WWW is an information service operating on top of it.
D. There is no difference; they are exactly identical terms.

Correct Answer: Option C


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 #3
Which of the following options provides an accurate description of a 'Web Browser Extension' or 'Add-on'?
A. A piece of hardware that boosts wireless internet signals
B. A dedicated database table used to archive old email attachments
C. A small custom software component that adds specific features, tools, or modifications to a web browser's core interface
D. The main operational routing server used by a global ISP facility

Correct Answer: Option C


Explanation:
Browser extensions are modular software components built on web standards that install directly into the browser to extend its functionality, such as adding ad blockers or translation tools.

This question belongs to: Computer Internet and Web Technologies