Within the DNS system, a primary server (SOA) holds and maintains all records for the zone. Secondary servers will periodically ask the primary if there have been any updates, and if updates have occurred, they will ask for a zone transfer to update their own copies. Under what conditions will the secondary name server request a zone transfer from a primary? Group of answer choices

- When the primary SOA record serial number is higher than the secondary's

Explanation:

DNS(Domain Name System) is described as the distributed database that sometimes includes all the supporting hardware or software infrastructure. This system employs the internet to translate hostnames into IP addresses and provide other information related to domain.'

Under this system, the secondary name server would request the primary server to pass on a zone transfer 'in case the record serial number of the primary server zone is greater than the secondary.' This will help in promoting forbearances against any kind of faults and also in establishing synchrony between the zone files.

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