WHICH OF THE FOLLOWING IS NOT A VALID TYPE OF FIREWALL

O Level Online Exam

NIELIT O Level Exam

Which of the following is not a VALID type of firewall?

निम्नलिखित में से कौन सा एक वैध प्रकार का फ़ायरवॉल नहीं है?

A. Application-level gateways

B. Circuit-level gateways

C. Proxy Server Gateways

D. Packet filters

Correct Answer is :

C. Proxy Server Gateways