The answer to this question is a firewall. A Firewall is a network
security system that blocks and prevent unauthorized use or access of company’s
network. Firewall is also a program that screens and restricts viruses and other
users like hackers to reach the network through the internet.
#1) What summarizes a data source into a grid of rows and columns?
Answer: A Database. A database is an organized collection of data. It is the collection of schemas, tables, queries, reports, views, and other objects. The data are typically organized to model aspects of reality in a way that supports processes requiring information.
