The Client-Server Database

Q1: Which of the following statements is true concerning JDBC?

A It is language independent.

B It is similar in concept to ODBC.

C It is useful for all object-oriented languages.

D It consists of three main layers.

Q2: 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.

Q3: A server cannot serve on which of the following levels?

A Client Layer

B Business Layer

C Database Layer

D All of the above.

Q4: 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.

Q5: A characteristic of a file server is which of the following?

A Manages file operations and is shared on a network.

B Manages file operations and is limited to one PC.

C Acts as a fat client and is shared on a network.

D Acts as a fat client and is limited to one PC.

Q6: 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.

Q7: 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

Q8: 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.

Q9: Stored procedures have which of the following advantages?

A It takes a longer time to write them as compared to writing Visual Basic.

B Network traffic increases

C Data integrity improves as multiple applications access the same stored procedure.

D Result in thicker client and thinner database server.

Q10: Which of the following items are not necessary for client/server?

A Assure that tools will connect with middleware.

B Understand the requirements.

C Determine network bandwidth capabilities.

D Include the use of a file server.

Q11: A benefit of the three-tier architecture is which of the following?

A New modules can be built to support specific business needs

B Performance improves for compiled SQL statements

C Results in a thinner client and database server

D All of the above.

Q12: Which of the following statements is a true statement concerning the open database connectivity standard (ODBC)?

A Each vendor desiring to be ODBC-complaint provides an ODBC driver.

B Requires certain criteria to be met in order to establish an ODBC connection.

C Provides a programming interface that provides a common language for application programs to access and process SQL databases independent of the RDBMS accessed.

D All of the above.

Q13: 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

Q14: Which of the following statements is true about symmetric multiprocessing?

A A single copy of the operating system resides in each processor.

B Useful for situations where data must remain in memory to process.

C Bottlenecks increase with uniprocessor systems because tasks are not shared.

D The problems of memory contention are unlikely.


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