Why does cluster administration focus on both hardware monitoring and software configuration to ensure Hadoop reliability?

hard📝 Conceptual Q10 of 15

Hadoop - Cluster Administration

ABecause software configuration alone can fix all hardware issues

BBecause hardware failures and misconfigurations both cause data loss or downtime

CBecause hardware monitoring is unnecessary if software is configured correctly

DBecause Hadoop automatically handles all hardware and software problems

Step-by-Step Solution

Solution:

Step 1: Understand causes of cluster unreliability
Both hardware failures and software misconfigurations can cause data loss or downtime.
Step 2: Explain why both monitoring types are needed
Monitoring hardware detects physical failures; software config ensures proper operation and recovery.
Final Answer:
Because hardware failures and misconfigurations both cause data loss or downtime -> Option B
Quick Check:
Hardware + software monitoring = reliability [OK]

Quick Trick: Both hardware and software issues affect reliability [OK]

Common Mistakes:

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