Quizzes

अब Quizwiz के साथ अपने होमवर्क और परीक्षाओं को एस करें!

Which was NOT given as a method for determining business requirements?

Benchmarking (Interviewing, observation, document analysis, questionnaires and surveys)

T/F relationships are drawn with lines showing cardinality and plurality.

False

Michael, a systems analyst, is preparing a closed wiki site for North-state Bank. He has written permission from 8 other companies to view their internal wiki sites, and also has approval from his manager and the project team to use these other sites for ideas and structure. This would be a form of:

Formal Benchmarking

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

Implementation

In most IT departments, the demand for IT projects is generally about the same as the department's ability to supply team.

False

T/F Data flow diagrams focus on the physical data in a system.

False

T/F Data marts are larger, aggregated legacy databases

False

T/F ERDs are drawn in several levels: Context ERD diagrams, Level 0 ERD diagrams, Level 1 ERD diagrams.

False

On your level 0 diagram, you have a process #2 and when you create a level 1 diagram for process #2, you might have processes like:

2.1, 2.2, 2.3

If the logical data model contains attribute values that depend on an attribute that is not the identifier, then it is in:

2nd Normal Form

System prototyping is BEST characterized as:

A 'Quick and Dirty' system

Andrea is creating a diagram model for processes (without regard to whether it is computerized or a manual process). She is probably creating:

A logical process model

An example of a functional requirement is:

Access to the customer order system

Which of the following is not a characteristic of Big Data?

All are characteristics (volume, velocity, variety, veracity)

Moderate changes to existing processes falls under the _____ analysis.

Business Process Improvement (BPI)

Wayne is a senior director of finance. His company only recently came under Sarbanes-Oxley regulations and is the project sponsor to become compliant. He realizes that examining the as-is system may not be much help as the regulations are so radical that a major analysis and design project must be completed to make the company compliant. He is leaning towards: ______________

Business Process Reengineering

Which of the following project roles would analyze the key business aspects of the system?

Business analyst

Which of the following will probably NOT be at a system walkthrough?

Computer Center Director. (User representatives, management representative, key decision makers, and the analyst who prepared the system proposal would be)

T/F Gary has 8 interviews to conduct over the next week. Once he has completed all interviews, he should then write up a summary report. Preparing interview reports prior to completing all interviews will generally be premature until Gary has talked to all interviewees.

False

T/F If the development team of an organization is not familiar with the technologies that may be used, the project should be cancelled.

False

T/F In BPA and BPI, analysis is generally divided into three steps: understanding the as-is system, developing a cost-benefit analysis, and understanding the technical feasibility.

False

T/F Juan is creating use cases. He is working in the design phase of the SDLC.

False

T/F Most existing systems are well documented which leads to document analysis being very valuable.

False

T/F One goal of data storage design is to spread the data over all storage devices so that the redundancy will make for more efficient storage

False

T/F The data stores on the DFD correspond to Major Steps Performed on a use case.

False

T/F The project methodology that takes the longest to complete is Extreme Programming Methodology.

False

T/F When working on a major project, project teams will always select and stay with only one database format for consistency of development and use.

False

Danielle has asked some close ended questions to start an interview; then some open ended questions. Now she wants to really get a greater depth of information about the process. She should use what type of question?

Probing

Tom is trying to change his Use Case into a DFD. He has found that a use case step generally is the same as a _____ on the level 1 DFD.

Process

Marta wants to collect facts and opinions from a wide range of geographically dispersed people quickly and with the least expense. She would probably want to use:

Questionnaires

The acronym for the standard language used to access data in a relational database is:

SQL

Which of the following project roles would ensure that the system conforms to information systems standards?

Systems analyst

Which of the following project roles would identify how technology can improve business processes?

Systems analyst

The V-model pays more explicit attention to:

Testing

Kumar is the PM for a revised TTP system. Which of the following most likely would NOT be considered in developing a work plan?

The organizational readiness for the project

Brianna has a process with two inputs but only one output.

This is normal as all processes need at least 1 input and at least 1 output.

T/F A classic planning mistake mentioned in the textbook is having an overly optimistic schedule.

True

T/F A graphical illustration that shows the information that is created, stored, and used in a business system would be an ERD.

True

T/F A repository for data in DFDs is called a 'data store'.

True

T/F A system request will generally have these items: project sponsor, business need, business requirements, business value, special issues or constraints.

True

T/F A textbook-provided example of a 'full-service CASE' tool is Visible Analyst.

True

T/F Cindi Flores distributed 'white-papers' on RFID, ERP, GPS, and SOA to a user-management group. She then asked them to think outside the box on where these technologies could be used in the company. This would be an example of "technology analysis".

True

T/F Data stores are names with nouns and have an identification number and description.

True

T/F Decision support systems are not designed to find individual records, but to find aggregated information (such as 'what three products sold the best in Boston in February')

True

T/F Developing navigation methods, database, and file specification and what architecture to use would occur in the design phase of the SDLC.

True

T/F Interpersonal skills are those that enable a person to develop a rapport and are important for interviewing.

True

T/F Many business processes are too complex to be explained in one DFD.

True

T/F One important principal in process modeling with DFDs is the decomposition on the business processes into a series of DFDs.

True

Which of the following methodologies might be most appropriate if you have a system project with: clear requirements, very familiar technologies, not all that complex, must be reliable, a somewhat longer schedule, and the schedule visibility is not important?

V-Model

Which would NOT likely be an entity on a car insurance ERD?

Zip code

Throwaway prototyping is BEST characterized as:

a method for exploring design alternatives

Vanessa has a DFD with an item called "Register for class". That item would be:

a process

Decomposing a DFD means

breaking complex processes into a structured set of detailed diagrams

Probably the first thing to do when conducting an interview is:

build rapport with the interviewee so that he/she trusts you

One common method to increase access speed is to:

denormalize the tables

The CRUD matrix shows

exactly how data are used and created by the major processes in the system

The first step to building an ERD is to:

identify the entities

Anthony is working on the cardinality of doctors and patients in a large urban hospital. With the large number of doctors with varying specialties and patients that may have more than one ailment, he thinks the relationship might be noted as:

many to many

The lines that connect the entities are referred to as:

relationships

The line between analysis and design is sometimes very blurry. One reason is because:

the deliverables are really the first step in the designing of the new system

New databases collectively referred to as NoSQL databases have appeared in recent years. Which of the following are categorized as a NoSQL database>?

wide column stores, document-oriented database, graph databases, extensible record stores are all NoSQL databases

Interpersonal skills for a project manager might be important when:

working with a highly controversial project that may have political implications

What is true about creating an ERD?

It is an iterative process

Which of the following methodologies might be most appropriate if you have a system project with: somewhat unclear requirements, somewhat unfamiliar technologies, that is complex, reasonably reliable, a short time schedule, high schedule visibility?

Iterative

What diagram will have processes with one decimal place (like 3.2, 3.2, and 3.2) and might have flows coming in (or going out) that are not illustrated?

Level 1 diagram

T/F Online questionnaires are growing in use, but generally online questionnaires have a lower completion rate.

True

T/F Relationships are associations between entities.

True

T/F Scope creep is when new requirements are added to the project after the original project scope was defined and 'frozen'.

True

T/F The Throwaway Prototyping methodology is especially good for exploring design alternatives.

True

T/F The primary output of the analysis phase is the System Proposal.

True

T/F The three steps in creating an ERD are: Identify the entities, identify the attributes, identify the relationships.

True

T/F Throwaway Prototyping balances the benefits of well-thought-out analysis and design phases with the advantages of using prototypes to refine key issues before a system is built.

True

T/F To create the requirements definition, the project team first should consider the kinds of functional and non-functional requirements that they will collect about the system.

True


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