Which of the following browser utilities allows software developers to directly inspect a webpage's DOM structure, debug JavaScript errors, and trace network resource load timelines natively? MCQ with Answer and Explanation

Question

Which of the following browser utilities allows software developers to directly inspect a webpage's DOM structure, debug JavaScript errors, and trace network resource load timelines natively?

A. Incognito Browser Window

B. Developer Tools (DevTools)

C. Bookmark Navigation Hub

D. Browser Cache Manager

Answer: Option B

Solution (By JKSSB Mock Tests)

Built-in Developer Tools (DevTools) in modern browsers provide deep access to inspect elements, analyze network payloads, check console logs, and debug scripts.

This question belongs to: Computer Internet and Web Technologies

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What type of software utility acts as a specialized personal organizer tool deployed inside internet web mail interfaces to schedule meetings, record reminders, and track events chronologically?

A. Web Calendar Utility

B. DNS Translation Lookup Client

C. FTP Directory Transfer Tool

D. Cookie Tracker Module Core

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Correct Answer: Option A

Explanation:
Web calendar utilities integrated into email suites (like Google Calendar or Outlook Calendar) enable cross-organizational scheduling and task monitoring over the internet.

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Which of the following is a modern alternative to XML for data interchange, often used in web APIs?

A. CSV

B. HTML

C. JSON

D. YAML

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Correct Answer: Option C

Explanation:
JSON (JavaScript Object Notation) is a lightweight data interchange format that is easy for humans to read and write and easy for machines to parse, and is widely used in web APIs.

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What kind of network attack redirects a user from a legitimate website to a fraudulent one by altering the local DNS cache or host records?

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Correct Answer: Option D

Explanation:
Pharming is a cyberattack intended to redirect a website's traffic to another fake site by spoofing DNS records or host configuration settings.

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