Answer: Queries
Explanation: A database management system(DBMS) is a system that contains the data/information in the form of content or tables.There is a software that can populate the system by the excess data usually found in the SQL format
A query is the demand for the extraction of the information that is present in the database table or content.It helps in presenting extracted data in the readable data.The most commonly used language for the queries is the SQL (structured query language) queries.Thus, the correct option is queries.
<span>C. pretending to be someone else when asking for information</span>
Answer:
The answer is "Public Key".
Explanation:
PKI stands for public key infrastructure. It is a collection of functions, protocols, equipment, code, and procedures that require to create, maintain, transmit, store and cancel encrypted certs and handle the authentication of a public key.
- It is used to sign documents digitally.
- It works for propagating with Trojans and other malware.