A(n)_____ Is S Field or Set of Fields in a Record

question 6

Multiple Choice

A(n) _____ is s field or set of fields in a record that uniquely defines the record.

• A) attribute
• B) entity
• C) primary key
• D) data item

---

Definitions:

Allen-Bradley Data Highway

A proprietary network protocol developed by Allen-Bradley for industrial control and automation systems, facilitating communication between devices.

Proprietary Communications Network

A communication system designed and used by a single organization or entity, often closed to external access.

Repeaters

Electronic devices that receive a signal and retransmit it at a higher level or higher power, or onto the other side of an obstruction, to ensure the signal can cover longer distances without degradation.

Midstream

In the oil and gas industry, refers to the transportation, storage, and wholesale marketing of crude or refined petroleum products.