Client/server environments use a local area network (LAN) to support a network of personal computers, each with its own storage, that are also able to share common devices and software attached to the LAN. False True TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is true concerning the mainframe? It is the same thing as client/server. All of these Mission-critical systems have tended to remain there. Requires someone to decide which code should be on the workstation or the server. TRUE ANSWER : ? YOUR ANSWER : ?
The Windows operating system and Windows applications are event driven. False True TRUE ANSWER : ? YOUR ANSWER : ?
An application program interface (API) is which of the following? Middleware that provides access to a database. Middleware that does not provide access to a database. The same thing as ODB The same thing as JDB TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following statements is a true statement concerning the open database connectivity standard (ODBC)? Each vendor desiring to be ODBC-complaint provides an ODBC driver. Provides a programming interface that provides a common language for application programs to access and process SQL databases independent of the RDBMS accessed. Requires certain criteria to be met in order to establish an ODBC connection. All of these TRUE ANSWER : ? YOUR ANSWER : ?
Stored procedures have which of the following advantages? It takes a longer time to write them as compared to writing Visual Basic. Result in thicker client and thinner database server. Data integrity improves as multiple applications access the same stored procedure. Network traffic increases. TRUE ANSWER : ? YOUR ANSWER : ?
Writing stored procedures takes less time than using Visual Basic or PowerBuilder to create an application. True False TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following statements is true about symmetric multiprocessing? A single copy of the operating system resides in each processor. Bottlenecks increase with uniprocessor systems because tasks are not shared. The problems of memory contention are unlikely. Useful for situations where data must remain in memory to process. TRUE ANSWER : ? YOUR ANSWER : ?
Symmetric multiprocessing (SMP) architectures are useful for situations where data must remain in memory during processing to achieve the desired performance level. False True TRUE ANSWER : ? YOUR ANSWER : ?