Changing over from the old information system to a new one by turning off the old

Changing over from the old information system to a new one by turning off the old

1 Question: Changing over from the old information system to a new one by turning off the old system as the new one is turned on best describes A Phased installationB Single location installationC Parallel installationD Direct installationE Rotation installation2 Question: On a data-flow diagram, a diamond represents a process. A TrueB False3 Question: When designing the navigation procedures within your system, the primary concerns are A The design of between-field navigation and the ability to provide feedbackB Grouping data fields into logical categories and assigning group labelsC Flexibility and consistencyD Formatting and meaningful labelsE Spacing and color differences4 Question: Functional decomposition is a repetitive process of breaking the description or perspective of a system down into finer and finer detail. A TrueB False5 Question: A ternary relationship is the equivalent of three binary relationships. A TrueB False6 Question: In a file-oriented information system, a security file . A Stores relatively permanent data about an entityB Is created and saved for backup and recovery purposesC Stores records that contain day-to-day business and operational dataD Is a temporary file created by an information system for a single task7 Question: Which of the following types of maintenance accounts for as much as 70 percent of all maintenance activity? A Preventive maintenanceB Corrective maintenanceC Adaptive maintenanceD Perfective maintenanceE Internal maintenance8 Question: In a typical file processing environment, problems can occur if updates are not applied in every file. A Rigid data structureB Data integrityC Referential integrityD Data redundancy9Question: The ease with which software can be understood, corrected, adapted, and enhanced best describes A MaintenanceB MaintainabilityC AdaptabilityD Comfort levelE Installation10 Question: Which of the following influences most of the costs associated with maintaining a system? A Maintenance personnelB Documentation qualityC Number of latent defectsD Number of customersE Tools11 Question: describe what objects need to know about each other, how objects respond to changes in other objects, and the effects of membership in classes, superclasses, and subclasses. A AggregatesB RelationshipsC ClustersD Linkages12 Not certain of answerQuestion: The dependence of nonprimary key attributes on other nonprimary key attributes best describes a A Relationship dependencyB Transitive dependencyC Weak attributeD Weak entityE Weak relationship13 Question: A primary key should be null. A TrueB False14 Question: A relationship between object classes best defines A EncapsulationB ScopeC AssociationD CompositionE Integration15 Your browser does not support inline frames or is currently configured not to display inline frames.Question: Data-flow diagramming is one of several structured analysis techniques used to increase software development productivity. A TrueB False16 Question: Referential integrity specifies that the value of an attribute of one relation depends on the existence of the same attribute in another relation. A TrueB False17 Question: Which of the following functional capabilities are required for providing smooth and easy navigation within a form? A Cursor-control capabilitiesB Editing capabilitiesC Exit capabilitiesD Help capabilitiesE All of the above18 Question: During an inspection test, exactly what the code does is investigated. A TrueB False19 Question: A relationship between the instances of one entity type is a A Unary relationshipB Binary relationshipC Ternary relationshipD Singular occurrenceE Partnership occurrence20 Question: When two relations, A and B, have a many-to-many relationship, we create a separate relation, C, to represent this. A TrueB False21 Question: A relation is said to be in second normal form if the primary key consists of only one attribute. A TrueB False22 Question: Where possible, text should appear in all uppercase on forms. A TrueB False23 Question: Which of the following encompasses an objects properties and the values those properties have? A BehaviorB ClassC StateD EncapsulationE Incorporation24 Question: Which of the following represents how an object acts and reacts? A BehaviorB ClassC StateD EncapsulationE Environment25 Question: Which of the following provides an external interface to a class? A ConstructorB OperationC ViewD AssociationE Source26 Question: During beta testing, users test a completed information system using real data in the real user environment. A TrueB False27 Question: Which of the following is a true statement? A The goal of conceptual data modeling is to capture as much of the meaning of data as is possibleB The efficiencies gained by maintaining systems at the rule rather than code level drastically reduce costC If a thorough repository of data descriptions is kept, the system can be regenerated as the business rules changeD The more details about data that we can model, the better the system we can design and buildE All of the above are true statements28 Question: Changes made to a system to fix or enhance its functionality best defines A MaintenanceB SupportC RepairD InstallationE Coding29Question: When each nonprimary key attribute is identified by the whole key, the relation is said to be in at least A Second normal formB Third normal formC Fourth normal formD Fifth normal formE A relational form30 Question: The most complete acceptance testing will include A Alpha testing, beta testing, and a walkthroughB Beta testing, stub testing, and unit testingC Desk checking, a system audit, and integration testingD A system audit, system testing, and integration testingE Alpha testing, beta testing, and a system audit31 Question: During physical design, you consider A The definitions of each attributeB The descriptions of where and when data are entered, retrieved, deleted, and updatedC The expectations for response time and data integrityD The descriptions of the file and database technologies to be usedE All of the above32 Question: A context diagram shows the scope of the organizational system, system boundaries, external entities that interact with the system, and the major information flows between entities and the system. A TrueB False33 Question: An object is an entity that has a well-defined role in the application domain, and has state, behavior, and identity. A TrueB False34 Question: An association between the instances of one or more entity types that is of interest to the organization best defines A OccurrenceB RelationshipC Natural connectionD CardinalityE Entity link35 Question: Highlighting methods should be consistently selected and used based upon the level of importance of the emphasized information. A TrueB False36 Question: Use cases show the static structure of data and the operations that act on data. A TrueB False37 Question: is the transfer of information systems development, operation, or maintenance to an outside firm that provides these services, for a fee, on a temporary or long-term basis. A OutsourcingB CommissionC SubscriptionD External provision38 Question: A(n) is a user interface that allows users to interact with graphical objects and pointing devices. A HCIB PCIC UID GUI39 Question: An identifier is a candidate key that has been selected as the unique, identifying characteristic for an entity type. A TrueB False40 Question: Transitive attributes are attributes that determine other attributes. A TrueB False41 Question: Combining all normalized user views into one consolidated logical database model refers to A NormalizationB Requirements structuringC File integrationD View integrationE Logic modeling42 Question: A functional dependency between two (or more) nonkey attributes in a relation defines a A Weak dependencyB Partial dependencyC Simple dependencyD Transitive dependencyE Recursive dependency43 Question: The purpose of acceptance testing is to A Determine if new requirements must be added to the newly completed systemB Determine if the system meets user requirementsC Determine if the system meets its objectivesD Test a completed information system using simulated dataE Test a completed information system using real data44 Question: A candidate key that has been selected as the unique, identifying characteristic for an entity type is called a(n) A AttributeB IdentifierC Secondary keyD GerundE Index45 Question: On a use-case diagram, a linking relationship arises when one use case references another use case. A TrueB False46 Question: An arrow on a data-flow diagram represents a(n) A Data storeB Data flowC ProcessD SourceE Action sequence47 Question: Which of the following is not a rule for structuring data entry fields? A Never require data that is already online or that can be computedB Always provide default values when appropriateC Data entries should not be justifiedD Always place a caption adjacent to fieldsE Provide context-sensitive help when appropriate48 Question: One problem in a file processing environment is , which means that data common to two or more information systems is stored in several places. A Rigid data structureB Data integrityC Referential integrityD Data redundancy49 Question: An object has certain , like the make, model, and color of a car. A KeysB AttributesC IndicesD Packets50 Question: A use case is a complete sequence of related actions initiated by an actor; it represents a specific way to use the system. A TrueB False51 Question: During stress testing, the analysts try to determine how the system performs on the range of possible environments on which it may be used. A TrueB False52 Question: In all cases, a network must use a , which is a set of standards that govern network data transmission. A ProtocolB HubC SwitchD Router53 Question: Which of the following is true regarding the context diagram? A The process symbol is labeled ?0B The context diagram contains two processesC Data stores must be shown on the context diagramD The internal workings of the system are shown on the context diagramE The context diagram organizes the processes in a tree-like structure54 Question: The primary deliverable for the conceptual data-modeling step within the analysis phase is an entity-relationship diagram. A TrueB False55 Question: When displaying textual information, use abbreviations and acronyms as often as possible. A TrueB False56Question: In the accompanying figure, a is a field or combination of fields that uniquely and minimally identifies a particular member of an entity. A Primary keyB Common keyC Secondary keyD Combination key57 Question: In a , a single communication path connects the network server, departmental servers, workstations, and peripheral devices. A Hierarchical networkB Star networkC Bus networkD Ring network58 Question: is a widely used method of visualizing and documenting an information system. A UMLB JavaC UNIXD DFD59 stion: A data , which is a framework for organizing and storing data, consists of one or more files or tables. A StructureB RosterC IndexD Integral60Question: A use case participates in relationships with actors, not other use cases. A TrueB False61 Question: Which of the following is a true statement? A Data entities correspond to sources/sinks on a data flow diagramB Relationships correspond to data flows on a data flow diagramC A data entity will have many possible instancesD Verbs are used to name entity typesE An entity type is described many times in the data model62Question: A single occurrence of an entity type defines A Entity instanceB Entity appearanceC AttributeD Data elementE Multivalued attribute


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