Newfold Digital Technical Trainee Interview Questions and Answers

DNS stands for Domain Name System. It is a decentralized system that translates domain names into IP addresses.

• DNS is used to resolve domain names to their corresponding IP addresses.

• It helps in the efficient routing of internet traffic.

• DNS also provides other services like email routing and load balancing.

• Example: When you type a website URL in your browser, DNS translates it to the IP address of the server hosting th

Protecting network and data involves implementing security measures to prevent unauthorized access and data breaches.

• Implement strong passwords and two-factor authentication

• Use firewalls and antivirus software

• Regularly update software and security patches

• Encrypt sensitive data

• Train employees on safe browsing and email practices

• Limit access to sensitive data on a need-to-know basis

• Regularly backup data

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