Which one of the following is a computer security device ?

[amp_mcq option1=”Modem” option2=”Compiler” option3=”Firewall” option4=”Interpreter” correct=”option3″]

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UPSC CISF-AC-EXE – 2018

A Firewall is a computer security device.

– A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
– It acts as a barrier between a trusted internal network and untrusted external networks (like the internet).
– Modems are networking devices for internet access. Compilers and Interpreters are software tools for programming languages.

Firewalls can be implemented in hardware, software, or both, and are essential for protecting networks and individual computers from unauthorized access and various forms of cyber threats.

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