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A resource record of DNS has Time to live field which gives the indication of how stable the record is.Such information which is highly stable is assigned to________
asked in Computer Networks by Active (5k points) | 51 views
domain names like ??
Given answer is >= 86400 seconds time to live.what is it's mean .I am not able to understand.please clearify it @akash thanks in advance bro
records that are highly volatile are assigned ttl value of 60 seconds. the information that are more stable are assigned 86400(which is the number of seconds in a day). caching is done for maximum 1 day, and this is because pages keep on updating, and if we keep the outdated information in the cache for longer time, we won't be accessing authoritative records.
Great explanation ambazinga thanks

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