Freecharge Interview Questions and Answers

DNS - 53, DHCP - 67/68, Active Directory - 389

• DNS port number is 53

• DHCP port numbers are 67 and 68

• Active Directory port number is 389

I would check the network connection, router settings, and contact the internet service provider.

• Check network connection on the device

• Verify router settings and restart if necessary

• Contact internet service provider for outage information

I will troubleshoot the issue, check for backups, and work on restoring the domain controller.

• Troubleshoot the issue to identify the root cause

• Check for backups and restore if available

• Work on restoring the domain controller to bring it back online

Housekeeping of servers involves regular maintenance tasks to ensure optimal performance and security.

• Regularly update software and firmware to patch security vulnerabilities

• Monitor server performance and address any issues promptly

• Clean up unnecessary files and logs to free up disk space

• Implement backup and disaster recovery plans to prevent data loss

• Document server configurations and changes for future reference

Ping command is used to test the reachability of a host on an IP network.

• Ping sends ICMP echo request packets to the target host

• It waits for the host to respond with an ICMP echo reply

• Ping measures the round-trip time for the packets to reach the host and come back

• It can also show packet loss and network latency