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QusA software that prevents external access to a system is termed as Qusएक सॉफ्टवेयर जो किसी सिस्टम में बाहरी पहुंच को रोकता है उसे कहा जाता है

A. Gateway
B. Firewall
C. Intrusion Prevention system
D. Anti-Virus


Solution
B. Firewall



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