CompTIA A+ Certification Core 1 (220-1101) - Working with DNS

The video tutorial covers the basics of DNS and DHCP, explaining how DNS is provided by DHCP servers and how to check DNS settings using ipconfig. It demonstrates configuring DNS settings both automatically and manually, including using public DNS servers like Google's. The tutorial highlights common DNS issues and introduces nslookup as a tool for troubleshooting DNS problems, explaining how to verify if a DNS server is functioning correctly.

What is nslookup and how is it used?

Describe a situation where DNS problems might occur.

What should you do if you suspect a DNS server is down?