Question

Your secondary servers have not been able to contact your primary server to synchronize information. How long will the secondary servers attempt to contact the primary server before it considers that zone is dead and stops responding to queries

Answer 1

Answer:

The answer is "One week".

Explanation:

Following are the number represents of the given values:  

Serial number (se)  $= 200302028$

Refresh (ref) $= 3600 \ second = 1 \ hour$

Updated -retry (ret)$= 3600 \ second = 1 \ hour$

Expiry $= 3600 \times 24 \times 7 = 604800 \ second \ = 1 \ week$

Minimum $TTL = 3600 \ min = 1 \ h$