A Data Lake Is Composed Of

question 100

Multiple Choice

A data lake is composed of:

• A)historical data from legacy systems.
• B)unstructured and structured data that has not been analyzed.
• C)internal and external data sources.
• D)historic and current internal data.
• E)historic external data.

---

Definitions:

Deactivator

A chemical group or substituent attached to an aromatic ring that decreases its reactivity in electrophilic aromatic substitution reactions.

Friedel-Crafts Acylation

A chemical reaction that introduces an acyl group into an aromatic ring, facilitated by a Lewis acid catalyst, used in synthetic chemistry.

Benzophenone

An organic compound used primarily as a photoinitiator in polymer chemistry and as a flavor or fragrance additive, characterized by its ketone attached to two benzene rings.

Electrophile

A chemical species that is attracted to electrons and tends to accept electrons during a chemical reaction.