City Guilds Model Questions Vol1 2018 Information Technology Question 32
Practice objective / multiple choice question 32 from the 2018 City Guilds Model Questions Vol1 Information Technology examination.
A DNS resolver caches a record for \(example.com\) with an original TTL of 3600 seconds. After 20 minutes the resolver receives another query for the same name, but the authoritative server has already changed the IP address and set a new TTL of 1800 seconds. What is the remaining TTL (in seconds) of the cached record at the moment the second query arrives?
Answer Options
About This Question
This is City Guilds Model Questions Vol1 2018 Information Technology Question 32. It is one of the objective questions from the 2018 City Guilds Model Questions Vol1 Information Technology examination.
Difficulty level: Medium .
Master the Exam!
You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.