Which security mechanism in Android keeps individual apps completely isolated from each other so they cannot access another app's data without explicit permission? MCQ with Answer and Explanation

Which security mechanism in Android keeps individual apps completely isolated from each other so they cannot access another app's data without explicit permission?
A. Ahead-of-Time Compiling
B. App Sandboxing
C. Defragmentation
D. Overclocking
Answer: Option B
Solution (By JKSSB Mock Tests)
Android leverages App Sandboxing, backed by Linux user group permissions, to run each application in an isolated environment so it cannot access other applications' operational files.

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