Which of the following solutions is a software or a hardware device on a network or host that filters the incoming and outgoing traffic to prevent unauthorized access to private networks?

The correct answer is A. Firewall. A firewall is a software or a hardware device on a network or host that filters the incoming and outgoing traffic to prevent unauthorized access to private networks. A firewall can use various criteria, such as IP addresses, ports, protocols, or application rules, to allow or den

Network Security Controls

Question

Options

AFirewall
BRouter
CHub
DSwitch

How the community answered

(13 responses)

A
85% (11)
B
8% (1)
C
8% (1)

Explanation

A firewall is a software or a hardware device on a network or host that filters the incoming and outgoing traffic to prevent unauthorized access to private networks. A firewall can use various criteria, such as IP addresses, ports, protocols, or application rules, to allow or deny the traffic. A firewall can also perform other functions, such as logging, auditing, encryption, or proxy services. A firewall can be deployed at different levels of a network, such as network perimeter, network segment, or host level.

Topics

#firewall#network filtering#perimeter security#access control

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