CompTIA A+ Certification Core 2 (220-1102) - 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 how to configure DNS settings both automatically and statically, and discusses the importance of having alternative DNS servers like Google's public DNS. The tutorial also introduces NS Lookup as a tool for troubleshooting DNS issues, explaining how to use it to verify DNS server functionality and identify problems.

What types of DNS records are mentioned in the text, and what are their purposes?

How can you identify if a DNS server is functioning properly using nslookup?

What steps should you take if you suspect a DNS server is down?