Exam 2 Questions 301-331
A CRUD matrix shows where records are added, changed, used, and deleted from a file. Select one: a. True b. False
a
An example of ________ prototyping is building a full-scale model of an automobile that is used in wind tunnel tests. Select one: a. nonoperational b. selected features c. patched-up d. first-of-series
a
Besides the obvious advantage of clarifying the logic and relationships found in human languages, structured English has another important advantage as a communication tool. Select one: a. True b. False
a
Decision trees are useful when it is essential to keep a string of decisions in a particular sequence. Select one: a. True b. False
a
Each time an external company or system is involved: Select one: a. the process involved needs to be partitioned into a separate program. b. the processes that handle each of the interactions should be partitioned into one program for security reasons. c. a new temporary data store must be used with a process to create the data store. d. the process that handles the interaction must be on a secure server.
a
In XML, tags become the metadata. Select one: a. True b. False
a
Method overloading means that: Select one: a. the same method may be defined differently in inherited classes. b. the method may be used on different platforms, such as a server or client computer. c. the method may have parameters passed to it from more than one relating class. d. the same method may be defined more than once in a given class.
a
Objects are part of a general concept called classes. Select one: a. True b. False
a
Partitioning data flow diagrams is the process of deciding which processes are manual procedures and which processes should be grouped into which computer programs. Select one: a. True b. False
a
Partitioning on an activity diagram is shown using swimlanes. Select one: a. True b. False
a
Some prototypes are nonworking models. Select one: a. True b. False
a
The data dictionary is a reference work of data about data. Select one: a. True b. False
a
UML consists of things, relationships, and diagrams. Select one: a. True b. False
a
A great example of a first-of-series prototype would be constructing a full scale model of a new type of car to be used for testing in a wind tunnel. Select one: a. True b. False
b
Ajax is a technique used to obtain data from a server and update large amounts of data using UML. Select one: a. True b. False
b
Balanced decomposition is when the data flow in or out of a child diagram does not match the data flow in or out of a parent process. Select one: a. True b. False
b
Building a ________ of information systems is a useful technique for quickly gathering information requirements. Select one: a. lifecycle b. prototype c. system design d. maintenance agreement
b
Collection is the relationship that exists when the whole has a responsibility for the part. Select one: a. True b. False
b
Data flow diagrams must be drawn working from left to right on the page. Select one: a. True b. False
b
It is useful to combine conditions and actions when drawing decision trees. Select one: a. True b. False
b
Linear data flow from process to process is normal in higher level data flow diagrams. Select one: a. True b. False
b
Object-oriented techniques work well in situations where ________ information systems are undergoing continuous maintenance, adaptation, and redesign. Select one: a. global b. complicated c. simple d. highly technical
b
Processes in a rectangle with rounded corners sometimes denote something other than a change in or transformation of data or a system/subsystem. Select one: a. True b. False
b
Prototypes that are full-scaled and installed at one location with the intention of later implementation at other locations are referred to as "selected features prototypes." Select one: a. True b. False
b
Use structured English when complex combinations of conditions, actions, and rules are found. Select one: a. True b. False
b
Values can be used to communicate ideas that would otherwise remain fuzzy or unshaped. Select one: a. True b. False
b
Which of the following is a more precise way to define the content of an XML document? Select one: a. a document attribute list b. an ID REF, listing the identifiable elements of a document c. a schema d. an XML repository specifications document
c
Which of the following is not one of the six most commonly used UML diagrams? Select one: a. statechart diagram b. use case diagram c. CRC card relationship diagram d. activity diagram
c
A base element is one that: Select one: a. does not change over a period of time. b. is the result of a calculation or some other logic. c. is used within one and only one subsystem. d. was initially keyed into the system.
d
A mechanism for communicating between a server and a mainframe computer is called a: Select one: a. synchronization bar. b. swimlane. c. EBCDIC conversion unit. d. message queue.
d
Behavioral diagrams include all of the following except: Select one: a. activity diagrams. b. use case diagrams. c. sequence diagrams. d. class diagrams. e. communication diagrams.
d