SequelOne Interview Questions, Process, and Tips

Firewall security is necessary to protect computer networks from unauthorized access and malicious attacks.

• Prevents unauthorized access to a network

• Filters incoming and outgoing network traffic

• Blocks malicious traffic and viruses

• Enforces network security policies

• Logs network activity for auditing and analysis

TCP/IP is a set of protocols used for communication between devices on the internet.

• TCP is responsible for establishing a connection between devices and ensuring data is transmitted reliably.

• IP is responsible for routing data packets between devices.

• TCP/IP is the foundation of the internet and is used for various applications such as email, web browsing, and file transfers.

• Examples of TCP/IP protocols include HTTP, FTP