Answer confirmed
Question
Your on-premises network uses a DNS domain named contoso.com.
You need to identify the DNS servers authoritative for the contoso.com zone.
Which type of DNS record should you query?
Proposed answer
- CNAME
- NS
- SOA
- SRV
Correct answer
- Incorrect – A CNAME record is used to assign an alias to an existing DNS name represented by an A record.
- Correct – An NS record identifies all the DNS servers for the zone. There is one NS record for each DNS server that has a copy of the zone.
- Incorrect – An SOA record contains configuration information for the zone, including the name of the primary DNS server. In SOA you can identify DNS server that hosts primary zone, not all authoritative DNS servers.
- Incorrect - SRV records are used by applications to identify the location of the servers hosting the application.
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