SK0-003 · Question #86
Which of the following will allow a server to continue to function if a stick of memory fails? (Select TWO).
The correct answer is B. Memory RAID E. Hot spare. To ensure server functionality despite a memory stick failure, solutions like Memory RAID or a hot spare module are employed.
Question
Which of the following will allow a server to continue to function if a stick of memory fails? (Select TWO).
Options
- AChipkill
- BMemory RAID
- CRegistered memory
- DECC
- EHot spare
How the community answered
(52 responses)- A2% (1)
- B94% (49)
- D4% (2)
Why each option
To ensure server functionality despite a memory stick failure, solutions like Memory RAID or a hot spare module are employed.
Chipkill is an advanced error correction technology that can correct multi-bit errors within a memory chip but typically cannot recover from a full stick (module) failure.
Memory RAID (e.g., memory mirroring) provides redundancy, allowing the system to continue operating using a mirrored memory module if one fails, thus maintaining server functionality. This configuration ensures data is duplicated across memory modules.
Registered memory (RDIMM) includes a buffer for electrical signals to improve stability in high-density configurations, but it does not provide fault tolerance for a failed module.
ECC (Error-Correcting Code) memory detects and corrects single-bit errors and detects some multi-bit errors within a memory module, but it does not typically prevent a system crash if an entire stick fails.
A hot spare memory module is a pre-installed, inactive memory stick that automatically takes over if an active module fails, ensuring continuous operation without manual intervention during a component failure.
Concept tested: Memory fault tolerance technologies
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