Hanu Software Solutions Cloud Engineer Intern Interview Questions and Answers

nslookup is a command-line tool used to query DNS servers to obtain domain name or IP address information.

• Used to troubleshoot DNS-related issues

• Can be used to query specific DNS servers

• Provides information such as IP address, domain name, and DNS server used

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 be implemented in hardware, software, or a combination of both.

• Firewalls can filter traffic based on IP addresses, ports, protocols, and application types.

• Examples of firewalls incl...read more