Hadoop - Security
If a user without proper permissions tries to read a file in HDFS with security enabled, what will happen?
If a user without proper permissions tries to read a file in HDFS with security enabled, what will happen?
medium📝 Predict Output Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Understand access control enforcement
When security is enabled, unauthorized access attempts are blocked and generate errors.Step 2: Evaluate other options for correctness
Logging without denial, unrestricted access, or automatic granting contradict security principles.Final Answer:
The read request will be denied with an access control error -> Option DQuick Check:
Unauthorized read = Access denied error [OK]
Quick Trick: No permission means no access, error returned [OK]
Common Mistakes:
- Assuming unauthorized reads are allowed
- Thinking system grants temporary access automatically
- Believing unauthorized reads are just logged
Master "Security" in Hadoop
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