What type of device, sometimes called a packet filter, is designed to prevent malicious network packets from entering or leaving computers or networks?

Question

Quizplus · Accepted Answer

A firewall is a device that analyzes network traffic and blocks packets that do not meet certain security criteria. It is designed to prevent unauthorized access to or from a private network. Firewalls can be hardware or software-based and may be configured to block specific types of traffic, applications, or websites.

Option A (IPS) is incorrect because Intrusion Prevention Systems are designed to detect and prevent intrusions on a network or system.

Option B (scanner) is incorrect because scanners are generally used to scan for vulnerabilities or open ports on a network or system.

Option D (honeypot) is incorrect because honeypots are designed to lure attackers into a trap, whereas firewalls are designed to prevent attackers from accessing a system or network in the first place.

What Type of Device, Sometimes Called a Packet Filter, Is