70-411 Exam Question No 22

Question No 22:

You have a DNS server named DN51 that runs Windows Server 2012 R2.
On DNS1, you create a standard primary DNS zone named adatum.com.
You need to change the frequency that secondary name servers will replicate the zone from DNS1.
Which type of DNS record should you modify?

A. Name server (NS)
B. Start of authority (SOA)
C. Host information (HINFO)
D. Service location (SRV)

Answer: B