GIAC
GSLC · Question #335
GSLC Question #335: Real Exam Question with Answer & Explanation
The correct answer is C. Stub zone. A stub zone is a read-only, partial copy of a zone that holds only the resource records needed to locate the authoritative name servers for that zone.
Question
Which of the following is a read-only copy of a zone and obtains its resource records from other name servers?
Options
- ASecondary zone
- BPrimary zone
- CStub zone
- DSOA zone
Explanation
A stub zone is a read-only, partial copy of a zone that holds only the resource records needed to locate the authoritative name servers for that zone.
Common mistakes.
- A. A secondary zone is also read-only and receives records via zone transfer, but it holds a complete copy of all resource records from the primary zone, not just the NS/SOA subset.
- B. A primary zone is the authoritative read-write source of zone data where records are created, modified, and deleted directly.
- D. SOA zone is not a valid DNS zone type; SOA (Start of Authority) is a resource record that appears within a zone, not a zone classification.
Concept tested. DNS stub zone partial read-only zone function
Reference. https://learn.microsoft.com/en-us/windows-server/networking/dns/dns-stub-zones
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