کسی میدونه جواب این سوال چی می شود؟ خودم اولش فکر کردم A می شود. ولی بعدش دیدم B شد. میتونید برام توضیح بدید چرا؟
In which of the following DNS transactions does the querying system generate a recursive
query?
A. A DNS client sends the server name www.adatum.com to its designated DNS
server for resolution.
B. A client’s DNS server sends a request to a root domain server to find the authoritative
server for the com top-level domain.
C. A client’s DNS server sends a request to the com top-level domain server to find
the authoritative server for the adatum.com domain.
D. A client’s DNS server sends a request to the adatum.com domain server to find the
IP address associated with the server name www.
