Which of the Following Statements A), B) or C) Is

question 28

Multiple Choice

Which of the following statements a) , b) or c) is false?

• A) Like Python dictionaries, key-value databases store key-value pairs, but they're optimized for distributed systems and big-data processing.
• B) For performance, key-value databases tend to replicate data in multiple cluster nodes.
• C) Some key-value databases are implemented in memory for performance, and others store data on disk.
• D) All of the above statements are true.

---

Definitions:

Down Syndrome

Chromosomal disorder characterized by moderate-to-severe mental retardation and by such physical signs as a downward-sloping skin fold at the inner corners of the eyes. Also called trisomy-21.

Piercing Cry

A sharp and high-pitched sound, often made by a baby or a small child, indicating distress, discomfort, or urgent need for attention.

Bassinet

A small bed specifically designed for infants, typically used from birth until around four months or until the baby can move, roll, or push up.

Frustrated

The feeling of being upset or annoyed as a result of being unable to change or achieve something.