What Is a Backup

question 23

Multiple Choice

What is a backup?

• A) An exact copy of a system's information
• B) The ability to get a system up and running in the event of a system crash or failure and includes restoring the information backup
• C) A computer system designed that in the event a component fails, a backup component or procedure can immediately take its place with no loss of service
• D) A backup operational mode in which the functions of a computer component (such as a processor, server, network, or database) is assumed by secondary system components when the primary component becomes unavailable through either failure or scheduled down time

---

Definitions:

Perfectly Elastic

Perfectly elastic refers to a situation in economic theory where the quantity demanded or supplied of a good changes infinitely in response to any change in price.

Price-taker Industry

An industry in which companies have no control over the prices they charge because these prices are determined by the overall supply and demand in the market.

Total Revenues

The total sum of money a company earns from selling goods or providing services over a specified time frame.

Total Costs

The sum of all expenses incurred in the production of goods or services, including both fixed and variable costs.