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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 (3.5k points) | 22 views
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domain names like google.com ??
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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
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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 caching is done for maximum 1 day, and this is because pages keep on updating, and if we keep the outdated information in the cache for longer time, we won't be accessing authoritative records.
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Great explanation ambazinga thanks

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