Answer: testing
Explanation:
Testing an answer with multiple attachments
The correct answer to this question is A. One level or record an be returned in a single query when a developer writes a SOQL query to find child records for a specific parent.
Answer:
The data processing is broadly divided into 6 basic steps as Data collection, storage of data, Sorting of data, Processing of data, Data analysis, Data presentation, and conclusions. There are mainly three methods used to process that are Manual, Mechanical, and Electronic.
Answer:
Radio-frequency identification (RFID) uses electromagnetic fields to automatically identify and track tags attached to objects. An RFID tag consists of a tiny radio transponder; a radio receiver and transmitter.
Radio Frequency Identification (RFID) is a technology designed to allow objects, animals and even human beings to be identified, located, and tracked using radio frequency signals.