A container image is built up from an operating system base plus further:
ALenses
BLayers
CLedgers
DLetters
Answer & Solution
Correct answer: B. Layers
1. Each addition creates a new snapshot on top.
2. The result is a hierarchy of snapshots.
3. Those snapshots are layers.
_Source: OpenStax Introduction to Computer Science, Chapter 12, Cloud-Native Applications Development._
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