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Preguntas del test (77)
1Which skill level may be assigned to job positions such as team leaders or shift supervisors?
- AHelper.
- BCraftsman.
- CApprentice
- DJourneyman
2Which programming related duty is responsible to isolate and identify programming errors?
- ASystems analyst.
- BSoftware developer.
- CSystem administrator.
- DSoftware project manager.
3Operational risk management is a
- Agoal to reduce the number of occupational injuries and illness.
- Btechnology used in computer and communications programming.
- Cdecision-making process to systematically evaluate possible courses of action.
- Dtool to assist commanders in enhancing readiness and accomplishing the mission.
4Which of the following is not a responsibility of Air Force Occupational Safety and Health Standards?
- AAnalyze risk control measures.
- BUse risk management to identify, reduce or eliminate risk in activities.
- CNotify supervisor about job-related injury or impaired health that may affect job performance.
- DReport any job related injury as well as any suspected or actual exposure to chemical or hazardous material.
5Approximately what percentage of all accidents is due to human error?
- A20%
- B45%
- C80%
- D95%
6How many months of OJT must a member have before being upgraded to the 7 skill level?
- A3 months.
- B9 months.
- C12 months.
- D15 months.
7Which software engineering goal acts like a bridge between the problem and its solution?
- AUnderstandability.
- BModifiability.
- CReliability.
- DEfficiency.
8The software system that is efficient when it operates using available resources optimally defines the software engineering goal of
- Aunderstandability.
- Bmodifiability.
- Creliability.
- Defficiency.
9The purpose of information hiding is to
- Acreate module.
- Bmake nonessential details transparent to the user.
- Creduce the details the programmer has to worry about at any given level.
- Dtell us that related modules should be in the same physical part of the program.
10Which software engineering principle tells us that related modules should be in the same physical part of the program?
- AAbstraction.
- BLocalization.
- CCompleteness.
- DInformation hiding.
11The purpose of CASE tools is to
- Ahelp you by enforcing standards throughout a particular project.
- Bchange a module without corrupting the basic structure of the system.
- Cdecompose a system from the general system into lower levels of abstraction.
- Ddictate that all modules in our system use consistent notation, style, and concepts.
12What is a toolkit?
- AIt operates by interpreting a process model created by specialized tools.
- BAn environment that is written in the programming language for which it was developed.
- CLoosely integrated collections of products easily extended by aggregating different tools.
- DIntegration of code in different languages is a major issue for language-centered environments.
13What is methodology?
- AIt operates by interpreting a process model created by specialized tools.
- BThey focus on process integration with other integration dimensions as starting points.
- CThe branch of logic dealing with the general principles of the formation of knowledge.
- DLoosely integrated collections of products easily extended by aggregating different tools.
14A characteristic or quality is known as
- Aa class.
- Bpersistence.
- Can attribute.
- Dpolymorphism.
15A description or characteristic that is applicable to some number of objects is
- Aa class.
- Ban attribute.
- Cpersistence.
- Dcardinality.
16Encapsulation supports which software engineering principle?
- AModularity.
- BAbstraction.
- CLocalization.
- DInformation hiding.
17A person, place, thing, or a physical or conceptual entity is known as
- Aa class.
- Ba pattern.
- Can object.
- Dan attribute.
18Persistence is
- Aa person, place, thing, or a physical or conceptual entity.
- Ban object that continues to exist, maintaining its state, behavior, and identity.
- Ca grouping of classes and objects that may be used in two or more problem domains is a pattern.
- Dan ability of two or more classes of objects to respond to the same message, each in its own way.
19The ability of two or more classes of objects to respond to the same message, each in its own way is known as
- Aservice.
- Bpersistence.
- Cpolymorphism.
- Dpersonification.
20What is the first step in OOD?
- AIdentify the objects.
- BDefine the problem.
- CIdentify the operations.
- DDevelop a problem solution statement.
21In which step of the OOD is an object list created?
- AIdentify the objects.
- BDefine the problem.
- CIdentify the operations.
- DDevelop a problem solution statement.
22In which step of the OOD are the objects grouped with the operations?
- AIdentify the objects.
- BEstablish interfaces.
- CIdentify the operations.
- DDevelop a problem solution statement.
23Data stores are
- Atime-delayed repositories of data.
- Bexternal origins of inputs and the destinations for output.
- Cactivities occurring in the outside world to which the system must respond.
- Dgraphical tools used for depicting the partitioning of a system and its interfaces.
24Which of these is not one of the four data flow diagram elements?
- AProcess.
- BData store.
- CSpecification.
- DSources and sinks.
25How is data flow represented on a DFD?
- ABubble.
- BArrows.
- CRectangle.
- DParallel lines.
26How is a source/sink represented on a DFD?
- ABubble.
- BArrows.
- CRectangle.
- DParallel lines.
27What is the DFD conservation rule?
- AA process is always running.
- BA process should have no more inputs than it needs to generate its outputs.
- CThe only outputs from a process are those that can be generated using its inputs.
- DData flow is processed as it is received, while data in a data store can be accessed at any time in any order.
28What is the DFD persistence rule?
- AA process is always running.
- BA process should have no more inputs than it needs to generate outputs.
- CThe only outputs from a process are those that can be generated using its inputs.
- DData flow is processed as it is received, while data in a data store can be accessed at any time in any order.
29What is the DFD ordering rule?
- AA process is always running.
- BA process should have no more inputs than it needs to generate its outputs.
- CThe only outputs from a process are those that can be generated using its inputs.
- DData flow is processed as it is received; however, data in a data store can be accessed at any time and in any order.
30What happens to input data during a DFD change of nature?
- AInput data names are changed as processing occurs.
- BSome type of editing or computation is done on the input data flow.
- CThe output data is the same as the input data, but the data is arranged differently.
- DA single input is separated into its various components, or a component input is combined into
a single output data item.
31What does a DFD change of organization mean?
- AInput data names are changed as processing occurs.
- BSome type of editing or computation is done on the input data flow.
- CThe output data is the same as the input data, but the data is arranged differently.
- DA single input is separated into its various components, or a component input is combined into a single output data item.
32It is important to use guidelines when developing DFDs to
- Aidentify design cost overruns.
- Bexceed the standards requested by management.
- Csatisfy configuration management and quality assurance.
- Dclarify the design approach and ensure a quality design product.
33What should be ignored on a DFD?
- AInitialization and termination details.
- BConditional primitive details.
- CInput/output data flows.
- DMajor processes.
34What is the system detailed design based on?
- AOrganization.
- BData dictionary.
- CInitialization details.
- DStructured specification documentation.
35When considering errors made on DFDs, one that is not a common error is the
- ADFD has ambiguous data flow names.
- Bprocess creates output from data that is not input.
- CDFD excludes initialization and termination details.
- Dprocess has “dead end” data flows that are input but never used.
36What are the two main types of data in the DD?
- AElementary and composite.
- BComposite and records.
- CElementary and fields.
- DRecords and fields.
37A related collection of records is a
- Afile.
- Brecord.
- Cdictionary.
- Dcomponent.
38What must be considered when evaluating DD software applications?
- ACost.
- BPurpose.
- CManufacturer.
- DCountry of origin.
39What is the overall goal when you are selecting a DD?
- AObtain a maintenance-free DD.
- BKeep the conventions and standards you use simple.
- CSelect the dictionary having an acceptable amount of redundancy.
- DSelect the dictionary that meets as many of the requirements as possible.
40Which E-R can have one entity occurrence of the first type that can relate to, at most, one entity occurrence of the second type and vice versa?
- AOne-to-one.
- BOne-to-many.
- CMany-to-one.
- DMany-to-many.
41Which E-R can have one entity occurrence of the first type relating to zero, one, or multiple occurrences of the second type, as well as one occurrence of the second type relating to zero, one, or multiple occurrences of the first type?
- AOne-to-one.
- BMany-to-one.
- COne-to-many.
- DMany-to-many.
42What type of description ensures that all input and output data flows and all procedures related to the process are defined?
- AExplicit.
- BDetailed.
- CComplete.
- DAmbiguity.
43What is commonly used during the structured code development process to give details of a functional primitive?
- AAmbiguity.
- BCardinality.
- CE-R diagram.
- DStructured English.
44A decision tree is characterized by
- Adisplaying a large set of iterative primitives.
- Bportraying structured text, program definition, or program design language.
- Cdisplaying one or more sets of actions that are executed based on the state of the conditions (true or false).
- Dportraying a hierarchy of independent conditions and the activities resulting from each valid combination of conditions.
45What is an algorithm used for?
- AGoverning the transformation of input data flows into output data flows.
- BDisplaying one or more sets of actions that are executed based on the state of the conditions (true or false).
- COutlining the final solution that you must translate into a specific programming language with
syntactical structures. - DPortraying a hierarchy of independent conditions and the activities resulting from each valid
combination of conditions.
46What are reserved words?
- AAlgorithms written in structured English.
- BWords you can pass using specific parameters.
- CAlgorithms and syntax used in a particular programming language.
- DWords having special meaning to a particular programming language.
47What is an iterative primitive solution?
- AStep-by-step processing.
- BA hierarchy of independent conditions.
- CCode structured for repetitive execution.
- DAlternative steps that may or may not be executed.
48Data items arranged in the order in which they were stored and the same manner that they will be addressed describes the use of a/an
- Alinked list.
- Bordered list.
- Cnetwork list.
- Dhierarchical list.
49A tree structure is best used to display database records that have what type of fields?
- ARepetitive.
- BDuplicate.
- CIndexed.
- DPointer
50Another structure name for a network is
- Aplex.
- Bnode.
- Cpointer.
- Dindexed.
51What is a systematic way of ensuring that a database structure is suitable for general purpose querying?
- ADatabase maintenance system.
- BFile control system.
- CUsing linked lists.
- DNormalization.
52A 1NF database may have
- Amultiple rows and repeating groups.
- Bno duplicate rows and no repeating groups.
- Conly one value from the domain with repeating groups.
- Da unique key field along with multiple values in every row and column.
53What is a collection of data that has a logical interrelationship and is organized in a specific manner?
- ADatabase.
- BFile control system.
- CDatabase management system.
- DDatabase maintenance system.
54What is a software system that controls the access, modification, and organization of a database?
- AData library.
- BFile control system.
- CDatabase management system.
- DDatabase maintenance system.
55What part of the DBMS contains the data structures found in a database?
- AApplication library.
- BReport generator.
- CData format file.
- DData library.
56Which file system problem has the same data item stored in many different places?
- AExpense.
- BInflexibility.
- CRedundancy.
- DDuplication.
57Why is a file system considered expensive?
- AAccess time is slow.
- BMany files take up file space.
- CFile systems cannot use query languages.
- DA single change may result in many changes.
58In which database design function is the general level organization of the database prepared?
- ARecord content.
- BDatabase structure.
- CAccess reference table.
- DFrequency of access/occurrence.
59In the random access method, calculating the address by adding one or more record key position(s) to an already extracted position of the key is called
- Afolding.
- Bselection.
- Cextraction.
- Dmultiplication.
60What provides flexible and simple-to-use information retrieval capability to any functional area that requires information contained in a database?
- AOperations.
- BRetrieval packages.
- CSpecial processing.
- DCommon packages.
61The user defines the physical characteristics of the file to be accessed by the retrieval package through the use of
- Aparameters.
- Bselective inquiries.
- Cprocessing centers.
- Dlanguage processors.
62What database maintenance responsibility must include standardized processing and formats?
- AManaging the DBMS.
- BManaging the database structure.
- CMaintaining data repository.
- DManaging data activity
63What database maintenance responsibility addresses disk fragmentation?
- AManaging the DBMS.
- BManaging the database structure.
- CMaintaining data repository.
- DManaging data activity.
64The best method to determine if the security features of a database system are working is to
- Amanage data activities.
- Block unused keyboards.
- Crestrict database user access.
- Dperiodically perform security audits
65Which type of software maintenance requires fixing defective software or errors in a program?
- APreventive.
- BCorrective.
- CFunctional.
- DRedesign.
66Which type of software maintenance does not change the functionality of a system, but changes the code in a manner to ease future software maintenance?
- APreventive.
- BCorrective.
- CFunctional.
- DRedesign.
67In which software maintenance step will a programmer conduct regression testing?
- AModify the software.
- BRevalidate the system.
- CUnderstand the program.
- DConduct program testing.
68A PDR is an approach to which testing technique?
- ADesign validation.
- BDesign verification.
- CTest data preparation.
- DTest plan implementation.
69Which member of the PDR team can be thought of as the coach?
- ACoder/implementor.
- BModerator.
- CDesigner.
- DTester.
70What do the participants of a PDR do with the design documentation?
- ADetermine feasibility of automating the system.
- BLook for areas of improvement in the test process.
- CEnter the program in the machine and look for errors.
- DObtain an understanding of the program design, its intent, and its logic.
71What do you examine your program for during desk checking?
- AActual test data.
- BIntermediate results printouts.
- CLogic, clerical errors, and clarity.
- DAdherence to software engineering principles.
72What is the final check you should make on any data processing program called?
- ATest database.
- BDesk checking.
- CPilot operation.
- DProgram checkout.
73Which of the following contains the initial system requirements or internal and external interfaces?
- ADesign document.
- BTest documentation.
- CSoftware problem report.
- DSoftware development folder.
74Which testing technique validates the basic software unit?
- AUnit testing.
- BSystem testing.
- CFunctional testing.
- DCombined testing.
75Which testing technique is the execution of independent tests designed to demonstrate a specific operational capability of a program or software system?
- AUnit testing.
- BSystem testing.
- CFunctional testing.
- DCombined testing.
76What system output should be checked for compliance to specifications after all other specifications have been satisfied?
- AOutput reports, disk files, and databases.
- BTest databases and test analysis reports.
- CProgram listings and memory dumps.
- DSource, object, and executable files.
77What are you validating when you hand calculate the results of given input data and compare it to computer generated results?
- AArithmetic computations.
- BProgram input.
- CTest output.
- DTest data
Información
- Descripción
- Test sobre Sin título, creado por jordan m el 17/01/2018.
- Autor
- jordan m
- Idioma
- English
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