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System questions




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#29047 | Written in 18-Jul-2015

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