COMPUTER THREATS SECURITY
WHAT IS A FIREWALL IN NETWORK SECURITY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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It is a system that prevents unauthorized access
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It is a system or device that allows, limits, encrypts or decodes the communications traffic of a PC or network and the rest of the Internet from unauthorized access.
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It is a device system that allows, limits, encrypts or decodes the communications traffic of a PC or network and the rest of the Internet from unauthorized access
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None of the above
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Detailed explanation-1: -A Firewall is a network security device that monitors and filters incoming and outgoing network traffic based on an organization’s previously established security policies. At its most basic, a firewall is essentially the barrier that sits between a private internal network and the public Internet.
Detailed explanation-2: -A firewall is a security network designed to protect computer systems and networks from malicious attacks. Whereas, Antivirus is is a software utility program designed to protect a system from internal attacks from viruses.
Detailed explanation-3: -The correct answer is A system that prevents unauthorized access to a private network. A firewall is a system that prevents unauthorized access to a private network. It is a type of cybersecurity tool that is used to filter traffic on a network.
Detailed explanation-4: -Firewalls are network security systems that prevent unauthorized access to a network. It can be a hardware or software unit that filters the incoming and outgoing traffic within a private network, according to a set of rules to spot and prevent cyberattacks. Firewalls are used in enterprise and personal settings.
Detailed explanation-5: -The term comes from the concept of physical walls being barriers to slow the spread of fire until emergency services can extinguish it. By comparison, network security firewalls are for web traffic management-typically intended to slow the spread of web threats.