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.
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.
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.
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