20. Which of the following is a valid observation of MySQL? a. It is offered by

Question

20. Which of the following is a valid observation of MySQL? a. It is offered by Oracle. b. It is license-free for most applications. c. It is a closed-source database product. d. It is yet to be widely adopted.

21. Which of the following is not a component of "information ladder" discussed in class? a. content b. knowledge c. insight d. deep understanding

22. Which of the following is NOT true? a. Microsoft Windows Azure is an example of PaaS (Platform as a Service), a category of cloud hosting that provides hosted computers, an operating system, and a DBMS. b. Developers generally construct a logical representation of database data, called a data model, after building a database. c. Infrastructure as a service (IaaS), such as Amazon EC2, refers to the cloud hosting of a bare server computer or disk drive. d. An organization that provides software as a service (SaaS) provides not only hardware infrastructure, but also an operating system and application programs as well.

23. ________ run on a server-tier computer and manage HTTP traffic by sending and receiving Web pages to and from clients. a. Web servers b. FTP servers c. Email servers d. E-commerce servers 24. Which of the following information technology has the capability of creating documents? a. Operating system software b. Word processing software c. Database management system software d. Spreadsheet software e. Presentation software

Explanation / Answer

20: a. It is offered by Oracle.

21.a. content

22. b. Developers generally construct a logical representation of database data, called a data model, after building a database.

23.a. Web servers

24. b. Word processing software

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