Module 5: Enterprise Architecture Methods
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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

    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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    Related Documents

    Module 5: Enterprise Architecture Methods PDF

    Description

    Explore the various methods for implementing enterprise architecture in this comprehensive module. Learn how to identify priority data and business activities, and deliver systems in 3-month increments for strategic alignment. This module emphasizes the evolution of systems development methodologies and effective planning for enterprise architecture.

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