What is the operational goal of a web browser's 'JavaScript Engine' (such as Google's V8 engine inside Chrome)? MCQ with Answer and Explanation

What is the operational goal of a web browser's 'JavaScript Engine' (such as Google's V8 engine inside Chrome)?
A. To parse, interpret, compile, and execute JavaScript code scripts rapidly into machine instructions natively within the browser client
B. To route incoming email attachments through proxy servers
C. To render structural CSS layout designs cleanly
D. To manage physical fiber optic cable transmissions
Answer: Option A
Solution (By JKExamLibrary)
The JavaScript engine is a specialized component that executes interactive client-side programming code, dynamically modifying the webpage UI based on user actions.

This question belongs to: Computer Internet and Web Technologies

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Internet and Web Technologies Questions

Question #1 Report Error
What is the function of a reverse proxy?
A. To perform load balancing
B. To encrypt traffic
C. To receive client requests and forward them to appropriate servers
D. To cache static content

Correct Answer: Option C


Explanation:
A reverse proxy sits between clients and backend servers, forwarding requests, and can provide load balancing, caching, and security.

This question belongs to: Computer Internet and Web Technologies
Question #2 Report Error
Which of the following is a secure version of FTP?
A. SFTP
B. FTPS
C. Both SFTP and FTPS
D. TFTP

Correct Answer: Option C


Explanation:
Both SFTP (SSH File Transfer Protocol) and FTPS (FTP over SSL/TLS) are secure variants of FTP, providing encrypted file transfers.

This question belongs to: Computer Internet and Web Technologies
Question #3 Report Error
What type of software system acts as an automated repository program continuously archiving historical snapshots of web page layouts across the World Wide Web over decades?
A. A corporate proxy server data log database
B. The Internet Archive / Wayback Machine
C. An outbound SMTP email transfer queue engine
D. A localized web browser cache management table

Correct Answer: Option B


Explanation:
The Wayback Machine, managed by the Internet Archive, is a digital archive of the World Wide Web that periodically captures and preserves historical snapshots of public web pages.

This question belongs to: Computer Internet and Web Technologies