A database management system is also referred to as a databa

A database management system is also referred to as a database. True False Which of the following is true of a virtual private network (VPN)? It provides a secure connection for information transmitted over the public Internet. It does not encrypt messages. It is limited to organizational use. It can be used to store highly sensitive information of an organization in local clients. Compute represent data using binary digits called _____. dots pixels tags bits McCann Systems, a leading IT firm, develops a customized billing software to meet the needs of its individual customers. In this case, the software developed by the firm is referred to as a (n) _____. vertical-market application software horizontal-market application software open source software application simulation software Phobias Inc. offers an online service that stores notes made by customers on the cloud. When a customer enters notes on a device, it gets updated in all the devices he/she owns. Which of the following cloud-based offering does Phobias Inc. provide to its customers? Unified communications as a service (UCaaS) platforms as a service (PaaS) software as a service (SaaS) infrastructure as a service (IaaS) The conversion of the existing traditional databases in organizations to NoSQL database is _____. Highly efficient and is being practiced by many organizations highly recommended because it is user friendly very cost-effective but can be enormously disruptive unnecessary when relational database meet the needs of organizations

Solution

21 b) False

Database contains different levels of abstraction:

1) External (How the users view the data)

2) Conceptual (Communication medium between internal and external levels)

3) Internal (How the data is physically stored)

DBMS is a software that manages databases and allows us to create, edit and delete database, their tables and their data.

Examples: MySQL, Oracle, etc

22) a) It provides a secure connection for information transmitted over the public network.

c) Yes it is limited to organizational use.

23) d) bits

24) a) vertical application software

Vertical application is supports a specific business process and targets a smaller number of users with specific need and job responsibilities within an organization.

25) IaaS

26) A and B