Module 5: Enterprise Architecture Methods

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Questions and Answers

What is a characteristic of Strategy A for enterprise architecture implementation?

  • It is an approach that emphasizes prioritizing based on return on investment (ROI).
  • It is a more flexible approach that prioritizes legacy systems and their ability to support future needs.
  • It is an approach that focuses on achieving enterprise-wide data integration with a fully attributed, fully normalized logical data model. (correct)
  • It is an incremental approach that prioritizes immediate needs over long-term goals.

Which strategy is most appropriate when there is a need to establish an ROI business case before implementing an enterprise architecture approach?

  • Strategy A
  • Strategy B (correct)
  • Strategy C
  • None of the above

What is the benefit of using Strategy B for enterprise architecture implementation?

  • It allows for a more flexible and incremental approach to implementing the enterprise architecture. (correct)
  • It focuses on achieving data integration before implementing any applications.
  • It ensures that the enterprise architecture is fully implemented in a short timeframe.
  • It prioritizes the needs of legacy systems over future needs.

Which strategy is most likely to achieve enterprise-wide data integration with a fully attributed, fully normalized logical data model?

<p>Strategy A (A)</p> Signup and view all the answers

Which of these strategies is most likely to be used in an organization with a limited budget and a need to show immediate results?

<p>Strategy C (C)</p> Signup and view all the answers

Which of the following is NOT a benefit of using a strategic model in enterprise engineering?

<p>It ensures the implementation of all legacy systems into the enterprise architecture. (A)</p> Signup and view all the answers

Which strategy is most closely aligned with the principles of agile software development?

<p>Strategy C (C)</p> Signup and view all the answers

Which of the following could be an abbreviation word?

<p>CPU (A)</p> Signup and view all the answers

According to the content, what will happen if you photocopy an assignment?

<p>You will be penalized with a zero grade. (B)</p> Signup and view all the answers

What is the first step in completing the assignment?

<p>Copy the problem and write your answer. (A)</p> Signup and view all the answers

What is the purpose of identifying abbreviation words?

<p>To ensure you understand the assignment instructions. (D)</p> Signup and view all the answers

What is the main difference between 'terminology' and 'abbreviation'?

<p>Terminology refers to the specific words used in a field, while abbreviation refers to shortened versions of those words. (A)</p> Signup and view all the answers

Which of the following is NOT an example of a correct abbreviation in the context of the assignment?

<p>ZIP (C)</p> Signup and view all the answers

How many steps are listed in the assignment for the student to follow?

<p>3 (C)</p> Signup and view all the answers

Which of the following is NOT an instruction specified in the assignment?

<p>Cite your sources. (B)</p> Signup and view all the answers

What is the purpose of the "Assessment Form"?

<p>To assess the student's understanding of a particular subject. (A), To present a problem to be solved by the student. (B), To provide a space for the student to write their answer to a problem. (C), To record the student's name, section, and date. (D)</p> Signup and view all the answers

What does the instruction "Photocopy is not allowed, automatic zero (0)." indicate?

<p>Using a photocopy machine is considered cheating. (A)</p> Signup and view all the answers

What is the primary difference between the "Assessment Form" and the "Assignment Form"?

<p>The Assessment Form is typically used for shorter assessments, while the Assignment Form is intended for longer-term assignments. (C)</p> Signup and view all the answers

Which of the following is NOT included in the "Assignment Form"?

<p>Activity Due Date (C)</p> Signup and view all the answers

What is the purpose of the instructions mentioned in both forms?

<p>All of the above. (D)</p> Signup and view all the answers

Based on the structure, which form would be suitable for a group assignment?

<p>Assignment Form (C)</p> Signup and view all the answers

Which of the following statements is TRUE about the forms?

<p>Both forms are designed to be used for assessing a student's understanding in a specific subject. (C)</p> Signup and view all the answers

Which of these instructions is NOT mentioned in the "Assessment Form"?

<p>Write your answer in a separate document (B)</p> Signup and view all the answers

Flashcards

Assignment Form

A document where tasks are outlined and answers must be recorded.

Copying Problems

Reproduce the problem statement before solving it.

Automatic Zero

Receiving a score of zero without exception for violations like photocopying.

Abbreviation

A shortened form of a word or phrase, like CPU for Central Processing Unit.

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Correct Terminology

The appropriate terms and their definitions used in specific contexts.

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Photocopy Rule

The rule that prohibits photocopying assignments; violation leads to zero score.

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Identify Abbreviations

Find and recognize all abbreviated words given in the context.

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Meaning of Abbreviations

Understanding the full meaning behind the abbreviated terms listed in an assignment.

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Top-Down Strategy

A strategy for enterprise architecture that ensures detailed implementation and integration at all levels.

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ROI Business Case

A justification for enterprise architecture based on return on investment analysis.

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Incremental Builds

An approach to implementing features in small, manageable parts over time.

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Normalized Logical Data Model

A data model structure that reduces redundancy and organizes data efficiently.

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Legacy Systems

Older computer systems that may support current business needs but can also pose limitations.

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Enterprise Architecture (EA)

A framework for managing and aligning an organization's IT infrastructure with its business goals.

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Strategic Model

A high-level representation of future data and information needs for the organization.

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Enterprise Engineering

A methodology for analyzing and defining the structure and goals of enterprise architecture.

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Assessment Form

A document used to evaluate student performance.

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Instructions

Guidelines provided for completing forms correctly.

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Automatic zero (0)

A penalty given for certain rule violations, like photocopying.

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Photocopying not allowed

Creating a copy of the assessment form is prohibited.

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Module No.

A specific identifier for the course unit being studied.

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Subject

The area of study for an assignment or exam.

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Activity

Specific tasks or exercises to be completed in a module.

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Study Notes

Module 5: Enterprise Architecture Methods

  • Various methods exist for implementing enterprise architecture
  • Emphasis is on identifying priority data, business activities, and processes
  • Delivering these priority areas in 3-month increments as production systems
  • Strategic modeling identifies reusable business activities/processes from data models
  • Creating project plans manually or automatically from data models
  • Enables high-priority subprojects for delivery in 3-month increments
  • Essential for strategic alignment, ensuring data, processes, people, events, and business plans support each other

Lesson Outcomes

  • Review of systems development methodologies evolution
  • Identification of various enterprise architecture implementation strategies
  • Planning EA based on incremental build context

Lesson 1: Evolution of Systems Development Methodology

  • Methodologies have evolved since the Information Age
  • Helped examine current manual processes and automate them
  • Rudimentary methodologies in the 1960s evolved into software engineering methods (structured methods) in the 1970s
  • Software engineering methods analyzed manual processes (DFDs, FDDs, SCs)
  • Programs were written in various languages to automate processes
  • Each DFD process identified data store needs
  • Multiple versions of a process often resulted in redundant data stores leading to maintenance chaos

Evolution of Information Engineering

  • Relational model developed by Edgar Codd (IBM San Jose Labs) in the late 1960s to early 1970s.
  • Foundation of modern relational database technology
  • First relational database management systems (RDBMSs) released by IBM (DB2) and Oracle in the late 1970s and early 1980s.
  • Three approaches emerged in the mid-1970s to apply relational concepts (one from the UK/Europe, one from the US, and a business-driven one from Australia)
  • Approaches focused on data modeling methods, using normalization to eliminate redundant data versions
  • Business-driven approach evolved into Integrated methods for information (Information Engineering, IE), popularized through the 1980s by James Martin.
  • Information Engineering (IE) evolved into Enterprise Engineering (EE).

Evolution of Object-Oriented Methods

  • Concepts of object-oriented (O-O) development and Unified Modeling Language (UML) emerged in the late 1980s
  • Developed by Grady Booch, James Rumbaugh, and Ivar Jacobson
  • O-O methods use diagrams to model O-O development (class, state transition, use-case, collaboration, sequence, and activity diagrams)
  • Rational Corporation established for UML modeling tools, popularized in the 1990s.
  • Rational became a subsidiary of IBM in 2003 after IBM purchased Rational Corporation.

Lesson 2: Strategies for Enterprise Architecture Implementation

  • Several strategies for implementing enterprise architecture, including 3 alternatives
  • Strategy A: Top-down, rigorous detail. Achieves enterprise-wide data integration with fully normalized logical data model. Identifies architecturally normalized business processes prior to application design/development. Time/cost savings are impressive.
  • Strategy B: Selective EA based on ROI business case. Requires evaluating the ability of legacy systems to support required data, processes, and organizational structure. Assessing benefits / tradeoffs. Establishing a business case for enterprise architecture.
  • Strategy C: Deliver progressively in 3-month incremental builds. Implements priority areas first, then addresses others later. Strategic business plans based on enterprise engineering methodology. Documents required data/information in a strategic model for enterprise-wide data integration.

Lesson 3: Enterprise Architecture Incremental Build Context

  • Covers data mapping methods for building data maps from business planning statements.
  • Step 1: Strategy analysis identifies mission, vision, core values, strategies, objectives, KPIs in the strategic plan.
  • Step 2: Strategy analysis identifies managers/business experts responsible for strategy implementation.
  • Step 3: Managers/experts use strategy analysis methodology for tactical business planning (5-day workshop)
  • Step 4: Business/IT experts work together in 2-day session to identify required data for integration
  • Step 5: Facilitated session documents strategic model on whiteboard. This strategic data map is a high-level enterprise model.

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