Unit 1: D3 AAQ

To increase the speed of network connections

To detect and remove viruses from emails

To prevent unauthorized access to or from a private network

To encrypt data being sent over the network

Access control

Traffic monitoring

Data storage

User authentication

Packet Filtering

Stateful Inspection

Application Layer Filtering

Data Encryption

To increase internet speed.

To serve as a physical barrier against network intrusion.

To monitor and control incoming and outgoing network traffic based on predetermined security rules.

To detect and remove viruses and other malware.

Provide network-wide protection

Require minimal individual device configuration

Monitor outbound connections closely

Handle high traffic volumes efficiently

Filter traffic before it reaches any device

Monitor outbound connections closely

Alert users to suspicious activity

Customise rules for each application

Access Control

Port Management

Traffic Logging

Intrusion Prevention

To allow all traffic

To block all traffic

To detect and block malware

To enhance user experience

Whitelisting blocks everything by default

Blacklisting allows everything by default

Whitelisting is more flexible than blacklisting

Blacklisting is more secure than whitelisting