The Domain Name System (DNS) is critical for locating services and hosts on the Internet and on corporate networks. SOHO and enterprise Linux and Windows systems usually rely on DNS server infrastructure for name resolution and service discovery. In the absence of DNS servers, network client machines will be unable to log on or connect to services or servers. DNS problems can also affect external websites and services. As a network technician, you will often be called upon to troubleshoot issues with name resolution.
As you study this lesson, answer the following questions:
