Question

A computer's fqdn is pc42042.east.contoso.corp. which option in the advanced tcp/ip settings dialog box must be enabled to allow the computer to seamlessly resolve names in the east.contoso.corp and contoso.corp namespaces?

Answer 1

Append parent suffixes of the primary DNS suffix is the appropriate option in the TCP/IP settings window that will allow the system to easily resolve the names in the mentioned namespaces. Name transfer is performed on the respective suffix when you select this option.