INFO 361 EXAM 1

Role-playing the use case with actual users is a good way to:

Confirm the use case

Which type of data flow diagram shows the entire system as just one singular process?

Context Diagram

Data flow diagramming is:

Focused on the processes or activities that are performed in the system

Which phase is generally the longest and most expensive part of the development process?

Implementation

A potential disadvantage of the agile methodology is:

Lack of documentation

An example of a functional requirement is:

Provides access to the customer order system

The primary question to answer during the economic feasibility analysis is:

Should we build it?

A data flow is

A single fact, such as Order ID and sometimes called a data element

A Process Model is

A graphical way of representing how a business system operates

An external entity is:

A person, organization or system outside of the system

Which of the following methodologies would be most appropriate if you have a system project with unclear requirements and a short time schedule?

Agile

A process is:

An activity or a function that is performed for some specific business reason

The primary actor in a use case is generally:

An external user of the system

One of the first things to do when conducting an interview is:

Build rapport with interviewee to help establish trust

The primary question to answer during the technical feasibility analysis is:

Can we build it?

Extreme programming (XP) emphasizes: (select all that apply)

Correct! Courage Correct! Feedback Correct! Communication Correct! Simplicity

The following are all fundamental steps in the Analysis phase of the SDLC: (select all that apply)

Correct! Identify improvements Correct! Understand the "as-is" system Correct! Define requirements for the "to-be" system

All of the following are commonly used techniques for helping to improve response rates to a questionnaire: (select all that apply)

Correct! Offer to provide a summary of the results Correct! Explain why the participant was selected Correct! Provide an incentive

If your goal is to identify major improvements to the as-is system, the following would be a recommended analysis strategy: (select all that apply)

Correct! Outcome analysis Correct! Technology analysis Correct! Activity Elimination

Which of these elements are typically found in a System Request? (you may select more than one correct answer)

Correct! Project Sponsor Correct! Business Need Correct! Business Value Correct! Special Issues or Constraints

Which of the following are steps for creating a use case? (select all that apply)

Correct! Revise functional requirements as necessary Correct! Identify inputs/outputs for each major step Correct! Identify major steps Correct! Confirm use case with users

Fully-dressed use cases typically include the following additional sections: (select all that apply)

Correct! Summary inputs and outputs Correct! Alternative courses Correct! Inputs and outputs for each step

______ is a good way to help manage scope creep.

Correct! Use prototypes Correct! Implement a formal change approval process Correct! Defer additional requirements and future system enhancements

A process model can ___________________.

Document both the as-is system and the to-be system

__________is a strategy which requires a detailed examination of the amount of time it takes to accomplish each task in the system.

Duration analysis

Collecting and analyzing requirements is generally done in the planning phase of the SDLC.

False

Nate is managing a project that is behind by one month with five months to go. He should add four to six staff members to the project to get it back up to speed.

False

Systems analysts are generally experts in business, finance and application development.

False

Use cases are created exclusively for users.

False

Triggers can either be external or internal.

False (they are external or temporal)

In a ______ tasks are listed as rows and the timeframe is listed across the top.

Gantt chart

The primary question to answer during the organizational feasibility analysis is?

If we build it, will they use it?

When eliciting requirements, the most commonly used technique is:

Interviews

________are designated by using upside down triangles or diamonds in a Gantt chart.

Milestones

Logical process models are:

Models that describe processes without suggesting how they are conducted

What information-eliciting strategy helps to enable the analyst to see the reality of the situation rather than listen to others try to describe it?

Observation

What is the sometimes overlooked "5th phase" of the SDLC between Implementation and Planning?

On-going Systems Planning

________ define what must be complete before beginning the use case.

Preconditions

One of the best techniques for soliciting a wide range of information from a large number of information sources is:

Questionnaires

Processes in data flow diagramming are represented by:

Rounded rectangles

The most common reason for schedule and cost overruns is:

Scope creep

An example of a nonfunctional requirement is:

System can be used concurrently across all offices worldwide

Use cases are used to help further clarify:

System requirements

SDLC stands for:

Systems Development Life Cycle

Both ______ and _______ skills are important on a project.

Technical, Interpersonal

Which of these are typically included as an element for a use case? (select all that apply)

Trigger Name Number

Use cases are typically not as useful for nonfunctional requirements.

True

The relationship between use cases and data flow diagrams is generally:

Use cases are developed first and then data flow diagrams follow

In the CHAOS report, what was noted as the #1 factor for project success?

User Involvement

Which of the following methodologies typically takes the longest to complete all of the SDLC steps?

Waterfall