प्रॉक्सी सर्व्हर हे कोणत्या कामासाठी वापरतात ?

The correct answer is Option A (To provide security against unauthorized users).

Key Points:
• A Proxy Server acts as an intermediary gateway between a user's client machine (internal local network) and the wider Internet.
• Its primary operational purpose in enterprise and organizational networks is to provide security against unauthorized access and malicious cyber threats.
• Functions of a Proxy Server:
• Hides internal IP addresses, anonymizing users and shielding internal network topology from external attackers.
• Acts as a firewall filtering web traffic and blocking unauthorized users and malicious websites.
• Caches frequently requested web pages to speed up bandwidth performance.
• While a proxy relays web requests, its defining functional security purpose tested in network examinations is protecting systems from unauthorized use (Option 1).
• Key Takeaway: A proxy server acts as an intermediary shield providing security against unauthorized network access.