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System questions




Question;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#37099 | Written in 18-Jul-2015

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