which of the following refers to the level of data abstraction that describes exactly how the data actually stored?

The level of data abstraction that describes exactly how the data is actually stored is the Physical level (also called the Internal level).

At the physical level, the database defines:

• How data is laid out on disk or other storage devices.

• Which file organizations, indexes (like B+ trees, hashing), and access methods are used.

• Low‑level details such as blocks, memory allocation, and storage paths that are hidden from end users.

So if your options include something like:

• Physical level / Internal level
  alongside Logical (Conceptual) and View (External) levels, the correct choice is Physical level.

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