The Client-Server Database - General Questions

1.

A database server is responsible for which of the following?

A.	Database storage
B.	Data processing logic
C.	Data presentation logic
D.	All of the above.

Answer: Option A

Explanation:

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2.

The three different application logic components are which of the following?

A.	Presentation, Client, and Storage
B.	Presentation, Client, and Processing
C.	Presentation, Processing, and Storage
D.	Presentation, Processing, and Network

Answer: Option C

Explanation:

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3.

A server cannot serve on which of the following levels?

A.	Client Layer
B.	Business Layer
C.	Database Layer
D.	All of the above.

Answer: Option A

Explanation:

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4.

Which of the following is true concerning the mainframe?

A.	It is the same thing as client/server.
B.	Requires someone to decide which code should be on the workstation or the server.
C.	Mission-critical systems have tended to remain there.
D.	All of the above.

Answer: Option C

Explanation:

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5.

Three-tier architecture includes which of the following?

A.	Three server layers
B.	A client layer and two server layers
C.	Two client layers and one server layer
D.	Three client layers

Answer: Option B

Explanation:

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6.

An application program interface (API) is which of the following?

A.	The same thing as ODBC.
B.	Middleware that does not provide access to a database.
C.	Middleware that provides access to a database.
D.	The same thing as JDBC.

Answer: Option C

Explanation:

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7.

Client/server security includes which of the following?

A.	Physical security
B.	Change control security
C.	Measures taken to secure all systems
D.	All of the above.

Answer: Option D

Explanation:

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8.

Which of the following is true concerning QBE?

A.	An official standard has been defined for QBE.
B.	QBE cannot be used for client/server systems.
C.	QBE does not give the programmer a visual programming environment.
D.	Complete applications can be written using QBE.

Answer: Option D

Explanation:

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