CompTIA Server+ (SK0-004) — Question 43

A new rack of servers has been installed in a datacenter. A server administrator needs to ensure fault tolerance and redundancy wherever possible. Which of the following would ensure the MOST uptime in the event of a sudden power loss? (Choose two.)

Answer options

• A. Connect the rack PDUs to separate power circuits
• B. Connect servers with multiple power supplies to separate power sources
• C. Periodically test the UPS batteries to ensure they are fully charged
• D. Connect redundant power supplies to the same PDUs
• E. Connect all rack PDUs to the UPS battery
• F. Connect servers with multiple power supplies to the same higher-amp circuits

Correct answer: A, B

Explanation

Options A and B provide fault tolerance by ensuring that power is supplied from separate sources, thus maintaining uptime during a power loss. The other options either do not provide sufficient redundancy (like D and F) or focus on maintenance rather than immediate fault tolerance (like C and E).