What is a firewall?

A network security device

A type of computer virus

A software for video editing

A hardware component for gaming

What is a firewall?

A security device that monitors and controls incoming and outgoing network traffic.

A type of computer virus.

A hardware component used to store data.

A programming language used for web development.

Which of the following are common uses of a firewall?

Protecting against unauthorized access from the internet.

Filtering and blocking specific websites or applications.

Preventing malware and viruses from entering the network.

Increasing network speed and performance.

Encrypting sensitive data during transmission.

Which of the following are common uses of a firewall?

Blocking unauthorized access

Monitoring network traffic

Encrypting data transmissions

Enhancing computer performance

Which layer of the OSI model do firewalls primarily operate at?

Network layer

Transport layer

Application layer

Physical layer

What is the purpose of an Intrusion Detection System (IDS)?

To detect and alert about potential security breaches

To encrypt network traffic

To block all incoming network traffic

To enhance computer performance

Which of the following is NOT a type of firewall?

Packet-filtering firewall

Proxy firewall

Antivirus firewall

Next-generation firewall

What is the main difference between a hardware firewall and a software firewall?

A hardware firewall is a standalone device, while a software firewall runs on a computer or server

A hardware firewall provides better performance than a software firewall

A software firewall is more expensive than a hardware firewall

A hardware firewall can only protect one computer, while a software firewall can protect multiple computers

What is the purpose of a demilitarized zone (DMZ) in relation to firewalls?

To provide an isolated network segment for hosting public-facing services

To encrypt all network traffic passing through a firewall

To block all incoming network traffic

To enhance computer performance

What is the main purpose of a stateful firewall?

To track the state of network connections and allow only legitimate traffic

To encrypt all network traffic passing through a firewall

To block all incoming network traffic

To enhance computer performance

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