City Guilds Model Questions Vol1 2022 Information Technology Question 18
Practice objective / multiple choice question 18 from the 2022 City Guilds Model Questions Vol1 Information Technology examination.
An IT support system relies on three independent components: a server (reliability 0.99), an uninterruptible power supply (UPS) (reliability 0.98), and a network switch (reliability 0.97). The system functions if at least two of the three components are operational. What is the probability that the system experiences at least one failure during a 365‑day year, assuming daily independency?
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This is City Guilds Model Questions Vol1 2022 Information Technology Question 18. It is one of the objective questions from the 2022 City Guilds Model Questions Vol1 Information Technology examination.
Difficulty level: Hard .
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