COMPUTER FUNDAMENTALS

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COMPUTER NETWORKS AND COMMUNICATIONS

NETWORK DEVICES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
It is a network security system that controls the incoming and outgoing network traffic based on an applied rule set It establishes a barrier between a trusted, secure internal network and another network (e.g., the Internet) that is assumed not to be secure and trusted. It exists both as a software solution and as a hardware appliance.
A
Hub
B
Firewall
C
Client
D
Repeater
Explanation: 

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: -Firewall. Firewalls control incoming and outgoing traffic on networks, with predetermined security rules.

Detailed explanation-3: -Technical security controls protect data that is stored on the network or which is in transit across, into or out of the network. Protection is twofold; it needs to protect data and systems from unauthorized personnel, and it also needs to protect against malicious activities from employees.

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