Top 100 Network Security Interview Questions and Answers

Firewalls are network security systems that monitor and control incoming and outgoing network traffic.

• Firewalls can be hardware or software-based

• They can be configured to block or allow specific traffic based on rules

• Firewalls can prevent unauthorized access to a network

• They can also be used to block malicious traffic and prevent attacks

• Examples of firewalls include Cisco ASA, Fortinet FortiGate, and pfSense

Sophos firewall is a network security solution that provides protection against various cyber threats.

• Sophos firewall is based on a unified threat management (UTM) platform

• It offers features such as intrusion prevention, web filtering, and application control

• Sophos firewall also includes advanced threat protection capabilities like sandboxing and machine learning

• It can be deployed on-premises or in the cloud

• Sophos firewall integrates with other Sophos security products for a ...read more

Firewalls are network security devices that monitor and control incoming and outgoing network traffic.

• Firewalls act as a barrier between internal and external networks, filtering traffic based on predefined rules.

• They can be hardware or software-based, and can be configured to allow or block specific types of traffic.

• Firewalls can protect against unauthorized access, malware, and other network threats.

• Examples of firewalls include Cisco ASA, Palo Alto Networks, and pfSense.

Stateful firewall keeps track of the state of active connections and makes decisions based on the context of the traffic.

• Stateful firewall inspects incoming and outgoing packets and compares them to a database of trusted connections.

• It allows or blocks traffic based on the state of the connection and predefined rules.

• Examples include Cisco ASA, Palo Alto Networks, and Fortinet firewalls.

Firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.

• Firewall acts as a barrier between a trusted internal network and untrusted external network.

• It can block or allow traffic based on predefined rules such as IP address, port number, protocol, etc.

• Firewalls can be hardware-based or software-based, and can be configured to filter traffic at the network or application layer.

• Examples of fire...read more