A zone file consists of which of the following Resource Records (RRs)?

A.
DNS,NS,AXFR,and MX records

B.
DNS,NS,PTR,and MX records

C.
SOA,NS,AXFR,and MX records

D.
SOA,NS,A,and MX records

Explanation:
The zone file typically contains the following records:
SOA – Start Of Authority
NS – Name Server record
MX – Mail eXchange record
A – Address record