Data processing logic includes such activities as data validation and identification of processing errors. 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. Useful for situations where data must remain in memory to process. The problems of memory contention are unlikely. Bottlenecks increase with uniprocessor systems because tasks are not shared. TRUE ANSWER : ? YOUR ANSWER : ?
Client/server security includes which of the following? Physical security Change control security All of these Measures taken to secure all systems TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following statements is a true statement concerning the open database connectivity standard (ODBC)? Requires certain criteria to be met in order to establish an ODBC connection. All of these 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. TRUE ANSWER : ? YOUR ANSWER : ?
The presentation logic component is responsible for formatting and presenting data on the user's screen or other output device, and for managing user input from a keyboard or other input device. True False TRUE ANSWER : ? YOUR ANSWER : ?
A database server is responsible for which of the following? All of these Data processing logic Database storage Data presentation logic TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is true concerning the mainframe? All of these Requires someone to decide which code should be on the workstation or the server. Mission-critical systems have tended to remain there. It is the same thing as client/server. TRUE ANSWER : ? YOUR ANSWER : ?
Three-tier architecture includes which of the following? Two client layers and one server layer Three server layers A client layer and two server layers Three client layers TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is true concerning QBE? An official standard has been defined for QB Complete applications can be written using QB QBE cannot be used for client/server systems. QBE does not give the programmer a visual programming environment. TRUE ANSWER : ? YOUR ANSWER : ?