City Guilds Model Questions Vol1 2024 Information Technology Question 40
Practice objective / multiple choice question 40 from the 2024 City Guilds Model Questions Vol1 Information Technology examination.
A client queries its local DNS server for a domain at time \(t=0\). The local server caches the record with a TTL of \(3600\) s, while the authoritative server's record has a TTL of \(7200\) s. After \(1\) hour \(30\) minutes the client repeats the query. Must the client's request cause the local server to query the authoritative server again, and if so, how many seconds of the authoritative TTL remain at that moment?
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About This Question
This is City Guilds Model Questions Vol1 2024 Information Technology Question 40. It is one of the objective questions from the 2024 City Guilds Model Questions Vol1 Information Technology examination.
Difficulty level: Medium .
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