Description of this paper

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 installation;B Single location installation;C Parallel installation;D Direct installation;E Rotation installation;2;Question: On a data-flow diagram, a diamond represents a process.;A True;B False;3;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 feedback;B Grouping data fields into logical categories and assigning group labels;C Flexibility and consistency;D Formatting and meaningful labels;E Spacing and color differences;4;Question: Functional decomposition is a repetitive process of breaking the description or perspective of a system down into finer and finer detail.;A True;B False;5;Question: A ternary relationship is the equivalent of three binary relationships.;A True;B False;6;Question: In a file-oriented information system, a security file ____.;A Stores relatively permanent data about an entity;B Is created and saved for backup and recovery purposes;C Stores records that contain day-to-day business and operational data;D Is a temporary file created by an information system for a single task;7;Question: Which of the following types of maintenance accounts for as much as 70 percent of all maintenance activity?;A Preventive maintenance;B Corrective maintenance;C Adaptive maintenance;D Perfective maintenance;E Internal maintenance;8;Question: In a typical file processing environment, ____ problems can occur if updates are not applied in every file.;A Rigid data structure;B Data integrity;C Referential integrity;D Data redundancy;9;Question: The ease with which software can be understood, corrected, adapted, and enhanced best describes;A Maintenance;B Maintainability;C Adaptability;D Comfort level;E Installation;10;Question: Which of the following influences most of the costs associated with maintaining a system?;A Maintenance personnel;B Documentation quality;C Number of latent defects;D Number of customers;E Tools;11;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 Aggregates;B Relationships;C Clusters;D Linkages;12 Not certain of answer;Question: The dependence of nonprimary key attributes on other nonprimary key attributes best describes a;A Relationship dependency;B Transitive dependency;C Weak attribute;D Weak entity;E Weak relationship;13;Question: A primary key should be null.;A True;B False;14;Question: A relationship between object classes best defines;A Encapsulation;B Scope;C Association;D Composition;E Integration;15 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 True;B False;16;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 True;B False;17;Question: Which of the following functional capabilities are required for providing smooth and easy navigation within a form?;A Cursor-control capabilities;B Editing capabilities;C Exit capabilities;D Help capabilities;E All of the above;18;Question: During an inspection test, exactly what the code does is investigated.;A True;B False;19;Question: A relationship between the instances of one entity type is a;A Unary relationship;B Binary relationship;C Ternary relationship;D Singular occurrence;E Partnership occurrence;20;Question: When two relations, A and B, have a many-to-many relationship, we create a separate relation, C, to represent this.;A True;B False;21;Question: A relation is said to be in second normal form if the primary key consists of only one attribute.;A True;B False;22;Question: Where possible, text should appear in all uppercase on forms.;A True;B False;23;Question: Which of the following encompasses an object's properties and the values those properties have?;A Behavior;B Class;C State;D Encapsulation;E Incorporation;24;Question: Which of the following represents how an object acts and reacts?;A Behavior;B Class;C State;D Encapsulation;E Environment;25;Question: Which of the following provides an external interface to a class?;A Constructor;B Operation;C View;D Association;E Source;26;Question: During beta testing, users test a completed information system using real data in the real user environment.;A True;B False;27;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 possible;B The efficiencies gained by maintaining systems at the rule rather than code level drastically reduce cost;C If a thorough repository of data descriptions is kept, the system can be regenerated as the business rules change;D The more details about data that we can model, the better the system we can design and build;E All of the above are true statements;28;Question: Changes made to a system to fix or enhance its functionality best defines;A Maintenance;B Support;C Repair;D Installation;E Coding;29;Question: When each nonprimary key attribute is identified by the whole key, the relation is said to be in at least;A Second normal form;B Third normal form;C Fourth normal form;D Fifth normal form;E A relational form;30;Question: The most complete acceptance testing will include;A Alpha testing, beta testing, and a walkthrough;B Beta testing, stub testing, and unit testing;C Desk checking, a system audit, and integration testing;D A system audit, system testing, and integration testing;E Alpha testing, beta testing, and a system audit;31;Question: During physical design, you consider;A The definitions of each attribute;B The descriptions of where and when data are entered, retrieved, deleted, and updated;C The expectations for response time and data integrity;D The descriptions of the file and database technologies to be used;E All of the above;32;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 True;B False;33;Question: An object is an entity that has a well-defined role in the application domain, and has state, behavior, and identity.;A True;B False;34;Question: An association between the instances of one or more entity types that is of interest to the organization best defines;A Occurrence;B Relationship;C Natural connection;D Cardinality;E Entity link;35;Question: Highlighting methods should be consistently selected and used based upon the level of importance of the emphasized information.;A True;B False;36;Question: Use cases show the static structure of data and the operations that act on data.;A True;B False;37;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 Outsourcing;B Commission;C Subscription;D External provision;38;Question: A(n) ____ is a user interface that allows users to interact with graphical objects and pointing devices.;A HCI;B PCI;C UI;D GUI;39;Question: An identifier is a candidate key that has been selected as the unique, identifying characteristic for an entity type.;A True;B False;40;Question: Transitive attributes are attributes that determine other attributes.;A True;B False;41;Question: Combining all normalized user views into one consolidated logical database model refers to;A Normalization;B Requirements structuring;C File integration;D View integration;E Logic modeling;42;Question: A functional dependency between two (or more) nonkey attributes in a relation defines a;A Weak dependency;B Partial dependency;C Simple dependency;D Transitive dependency;E Recursive dependency;43;Question: The purpose of acceptance testing is to;A Determine if new requirements must be added to the newly completed system;B Determine if the system meets user requirements;C Determine if the system meets its objectives;D Test a completed information system using simulated data;E Test a completed information system using real data;44;Question: A candidate key that has been selected as the unique, identifying characteristic for an entity type is called a(n);A Attribute;B Identifier;C Secondary key;D Gerund;E Index;45;Question: On a use-case diagram, a linking relationship arises when one use case references another use case.;A True;B False;46;Question: An arrow on a data-flow diagram represents a(n);A Data store;B Data flow;C Process;D Source;E Action sequence;47;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 computed;B Always provide default values when appropriate;C Data entries should not be justified;D Always place a caption adjacent to fields;E Provide context-sensitive help when appropriate;48;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 structure;B Data integrity;C Referential integrity;D Data redundancy;49;Question: An object has certain ____, like the make, model, and color of a car.;A Keys;B Attributes;C Indices;D Packets;50;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 True;B False;51;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 True;B False;52;Question: In all cases, a network must use a ____, which is a set of standards that govern network data transmission.;A Protocol;B Hub;C Switch;D Router;53;Question: Which of the following is true regarding the context diagram?;A The process symbol is labeled "0";B The context diagram contains two processes;C Data stores must be shown on the context diagram;D The internal workings of the system are shown on the context diagram;E The context diagram organizes the processes in a tree-like structure;54;Question: The primary deliverable for the conceptual data-modeling step within the analysis phase is an entity-relationship diagram.;A True;B False;55;Question: When displaying textual information, use abbreviations and acronyms as often as possible.;A True;B False;56;Question: 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 key;B Common key;C Secondary key;D Combination key;57;Question: In a ____, a single communication path connects the network server, departmental servers, workstations, and peripheral devices.;A Hierarchical network;B Star network;C Bus network;D Ring network;58;Question: ____ is a widely used method of visualizing and documenting an information system.;A UML;B Java;C UNIX;D DFD;59;stion: A data ____, which is a framework for organizing and storing data, consists of one or more files or tables.;A Structure;B Roster;C Index;D Integral;60;Question: A use case participates in relationships with actors, not other use cases.;A True;B False;61;Question: Which of the following is a true statement?;A Data entities correspond to sources/sinks on a data flow diagram;B Relationships correspond to data flows on a data flow diagram;C A data entity will have many possible instances;D Verbs are used to name entity types;E An entity type is described many times in the data model;62;Question: A single occurrence of an entity type defines;A Entity instance;B Entity appearance;C Attribute;D Data element;E Multivalued attribute


Paper#29021 | Written in 18-Jul-2015

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