Question

1 point
5. Which software prevents the
external access to a system?*
Firewall
Gateway
Router
O Virus checker​

Answer 1

The software that prevents the external access to a system is Firewall.

What is Firewall?

• In the field of Computer Studies, we can describe a firewall as a network security system that prevents a system for unauthorized access.
• Incoming and outgoing traffic, both are administered, by the firewall system. Hence, the correct option is Firewall.
• Other options, such as router, is not correct because a router connects networks of a computer.

Answer 2

1. A firewall is a network security device that monitors and filters incoming and outgoing network traffic in accordance with a company's security policies.
2. A firewall is, at its most basic level, a barrier between a private internal network and the public Internet.
3. It prevents and protects a system from any external unauthorized access.

Hence, option A is correct.

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