What is the primary function of a search engine's 'web crawler' or 'spider'? MCQ with Answer and Explanation

What is the primary function of a search engine's 'web crawler' or 'spider'?
A. To systematically browse the World Wide Web and index page content
B. To accelerate the rendering speed of heavy client-side JavaScript
C. To scan incoming email traffic for malicious spam attachments
D. To execute complex SQL queries on distributed user databases
Answer: Option A
Solution (By JKSSB Mock Tests)
A web crawler systematically explores the internet by following hyperlinks from page to page to discover, fetch, and index web content for search engines.

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Practice More Internet and Web Technologies Questions

Question #1
Which of the following is a popular web browser for mobile devices?
A. Firefox for Android
B. All of the above
C. Chrome for Android
D. Safari for iOS

Correct Answer: Option B


Explanation:
All three are popular mobile web browsers for their respective platforms.

This question belongs to: Computer Internet and Web Technologies
Question #2
What is the primary difference between POP3 and IMAP?
A. IMAP is older than POP3
B. POP3 is faster, IMAP is slower
C. POP3 uses encryption, IMAP does not
D. POP3 downloads messages, IMAP synchronizes them

Correct Answer: Option D


Explanation:
POP3 downloads emails to the local device and often removes them from the server, while IMAP keeps emails on the server and synchronizes across devices.

This question belongs to: Computer Internet and Web Technologies
Question #3
What is the function of a web-based email client?
A. To send and receive email through a web browser
B. To filter spam
C. To manage calendar events
D. To store emails locally

Correct Answer: Option A


Explanation:
A web-based email client (e.g., Gmail, Outlook.com) allows users to access their email accounts through a browser without needing a dedicated email software.

This question belongs to: Computer Internet and Web Technologies