While browsing the Web, you click on a link that identifies an Internet host named www.cslab.scholarly.edu. Your browser asks your Domain Name System (DNS) name server, M, to find an Internet address for this domain name. Under what conditions is each of the following statements true of the name resolution process?
A. To answer your query, M must contact one of the root name servers.
B. If M answered a query for www.cslab.scholarly.edu in the past, then it can answer your query without asking any other name server.
C. M must contact one of the name servers for cslab.scholarly.edu to resolve the domain name.
D. If M has the current Internet address of a working name server for scholarly.edu cached, then that name server will be able to directly provide an answer.
E. If M has the current Internet address of a working name server for cslab.scholarly.edu cached, then that name server will be able to directly provide an answer.