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Questions and Answers
What is the main purpose of aligning IT and business?
What is the main purpose of aligning IT and business?
What does Zachman's Framework primarily assist with in enterprise architecture?
What does Zachman's Framework primarily assist with in enterprise architecture?
Which component is NOT part of the 6 Rows of the Framework?
Which component is NOT part of the 6 Rows of the Framework?
Which of the following accurately describes the role of the Planner in Zachman's Framework?
Which of the following accurately describes the role of the Planner in Zachman's Framework?
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Which of the following does NOT represent a Column of the Framework?
Which of the following does NOT represent a Column of the Framework?
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What is the focus of the Owner perspective in Zachman's Framework?
What is the focus of the Owner perspective in Zachman's Framework?
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What is a primary benefit of using the framework described?
What is a primary benefit of using the framework described?
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How does the Designer perspective contribute to system development?
How does the Designer perspective contribute to system development?
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What does object-oriented modeling primarily focus on?
What does object-oriented modeling primarily focus on?
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Which of the following best describes a class in object-oriented programming?
Which of the following best describes a class in object-oriented programming?
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Which aspect does the Implementer perspective address in Zachman's Framework?
Which aspect does the Implementer perspective address in Zachman's Framework?
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What does the Subcontractor perspective represent in the framework?
What does the Subcontractor perspective represent in the framework?
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What is the purpose of establishing relationships between classes?
What is the purpose of establishing relationships between classes?
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In what way does Zachman's Framework aid in IT Governance?
In what way does Zachman's Framework aid in IT Governance?
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What modeling technique uses visual representations of systems?
What modeling technique uses visual representations of systems?
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What does the Functioning Enterprise perspective refer to in Zachman's Framework?
What does the Functioning Enterprise perspective refer to in Zachman's Framework?
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Which of the following is NOT one of the key concepts of Object-Oriented Modeling and Design?
Which of the following is NOT one of the key concepts of Object-Oriented Modeling and Design?
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What is the primary purpose of requirement analysis in the design process?
What is the primary purpose of requirement analysis in the design process?
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Which design principle emphasizes that a class should only have one responsibility?
Which design principle emphasizes that a class should only have one responsibility?
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What is a significant benefit of Object-Oriented Modeling and Design?
What is a significant benefit of Object-Oriented Modeling and Design?
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What does data mining primarily involve?
What does data mining primarily involve?
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Which modeling technique is commonly used to visualize and document software systems?
Which modeling technique is commonly used to visualize and document software systems?
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Which of the following concepts refers to the ability of different classes to be treated as instances of the same class through inheritance?
Which of the following concepts refers to the ability of different classes to be treated as instances of the same class through inheritance?
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In the context of data warehousing, which statement is true regarding OLAP?
In the context of data warehousing, which statement is true regarding OLAP?
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What is the primary function of reporting tools?
What is the primary function of reporting tools?
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Which type of DBMS stores data in tables focused on columns rather than rows?
Which type of DBMS stores data in tables focused on columns rather than rows?
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What is a characteristic of the NewSQL DBMS?
What is a characteristic of the NewSQL DBMS?
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Which DBMS technology supports more than one database model?
Which DBMS technology supports more than one database model?
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What is the role of the storage engine in a DBMS?
What is the role of the storage engine in a DBMS?
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What is one of the primary functions of a Database Management System (DBMS)?
What is one of the primary functions of a Database Management System (DBMS)?
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How does a DBMS control data integrity during concurrent access?
How does a DBMS control data integrity during concurrent access?
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Which component of a DBMS processes database access language requests?
Which component of a DBMS processes database access language requests?
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What advantage does a centralized view in a DBMS provide?
What advantage does a centralized view in a DBMS provide?
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What role does the Log Manager serve within a DBMS?
What role does the Log Manager serve within a DBMS?
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Which of the following best describes data independence in a DBMS?
Which of the following best describes data independence in a DBMS?
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Which of the following is NOT a typical database administration task supported by a DBMS?
Which of the following is NOT a typical database administration task supported by a DBMS?
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What functionality do reporting and monitoring tools in a DBMS provide?
What functionality do reporting and monitoring tools in a DBMS provide?
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What is the main focus of encapsulation in object-oriented programming?
What is the main focus of encapsulation in object-oriented programming?
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Which principle states that a class should have only one reason to change?
Which principle states that a class should have only one reason to change?
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Which principle suggests that software entities should be open for extension but closed for modification?
Which principle suggests that software entities should be open for extension but closed for modification?
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What does the Liskov Substitution Principle ensure about subclasses?
What does the Liskov Substitution Principle ensure about subclasses?
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Which principle recommends having many client-specific interfaces over one general-purpose interface?
Which principle recommends having many client-specific interfaces over one general-purpose interface?
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What does the Dependency Inversion Principle advocate?
What does the Dependency Inversion Principle advocate?
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How does abstraction simplify complex systems?
How does abstraction simplify complex systems?
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What is the essence of the SOLID principles?
What is the essence of the SOLID principles?
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Study Notes
Zachman's Framework
- Widely used method for organizing and structuring enterprise architecture
- Provides a comprehensive and structured approach for understanding and designing enterprise architecture
- Developed by John Zachman
Enterprise Architecture
- Provides a foundation for aligning IT infrastructure with business strategies
- Organizes and aligns IT infrastructure with business strategies
System Design
- Supports system design by defining necessary information, processes, and technologies
- Defines the required information, processes, and technologies for systems
Project Management
- Aids in planning, managing, and monitoring large-scale IT projects
- Ensures alignment with business goals and requirements
IT Governance
- Facilitates decision-making regarding technology investments and resource allocation
- Supports effective decision-making for technology investments and resource allocation
6 Rows of the Framework
- Planner (Scope): Describes the business purpose and strategy; defines the playing field for other views
- Owner (Enterprise Model): Reveals which parts of the enterprise can be automated; outlines how systems satisfy information needs
- Designer (System Model): Outlines how the system will satisfy the organization's information needs
- Implementer (Technology Model): Represents how the system will be implemented while addressing production constraints
- Subcontractor (Detailed Representation): Detailed implementation-level view of constructed systems/components
- Functioning Enterprise (Actual System): The actual running system's performance and operations
6 Columns of The Framework
- What (data): Data aspects of the framework
- How (Function): Functionality aspects
- Where (Network): Network aspects
- Who (Stakeholders): Stakeholder aspects
- When (Time): Timing framework
- Why (Motivation): Motivation aspects
Purpose and Benefits of The Framework
- Holistic View: Provides a comprehensive, enterprise-wide view of the system
- Alignment of IT and Business: Helps bridge the gap between business and IT system goals
- Clear Communication: Establishes common language
Object-Oriented Modeling and Design
- A powerful approach for software development based on object-oriented programming principles
- Analyzing and designing applications, systems, or businesses, using object-oriented concepts and visual modeling
- Uses classes and objects that represent real-world entities; each object has attributes (data) and behaviors (methods/functions)
System Analysis
- Decomposes systems into smaller, manageable components
- Identifies key objects and classes based on the analysis
- Defines classes with their attributes and methods, establishes relationships among classes
Encapsulation
- Bundles data (attributes) and methods (functions) into a single unit
- Restricts direct access to some object components
Inheritance
- Mechanism where one class inherits properties and behaviors from another class
- Promotes code reuse and hierarchical classifications
Polymorphism
- Treats objects of different classes as objects of a common superclass
- Enables a single interface to represent different underlying forms
Abstraction
- Simplifies complex systems by modeling appropriate classes, working at the relevant level of inheritance.
Requirement Analysis
- Identifies and documents system requirements from stakeholders
Design Principles
- Single Responsibility: Each class should have only one responsibility to change
- Open/Closed: Software entities should be open for extension but closed for modification
- Liskov Substitution: Objects of a superclass should be replaceable by a subclass without affecting program correctness
- Interface Segregation: Many client-specific interfaces are better than one general-purpose interface
- Dependency Inversion: Depend on abstractions, not concrete implementations
Data Mining
- Analysis of large datasets, often using computer support
- Extracts useful information and looks for patterns to predict future behavior
- Can be used to improve marketing strategies, sales, and cost reduction
Data Warehouse
- Stores historical data for analysis
- Enables fast retrieval of large amounts of data from multiple sources
- Facilitates analysis using OLAP (Online Analytical Processing).
Database Management System (DBMS)
- Software system for creating, managing, and maintaining databases.
- Enhances efficiency and security.
- Enables many typical database administration tasks, including change management, performance monitoring, security, and backup and recovery.
Metadata Catalog
- System catalog or database dictionary
- Functions as a repository for all database objects
- Holds information about data objects, like their properties and relationships
Database Access Language
- API (Application Programming Interface) for accessing database data.
- Enables modification of data and creation of database objects
- Provides authorization and security for data access
Optimization Engine
- Parses database requests in language
- Translates them into actionable commands for accessing and modifying data.
Concurrency Control
- Guarantees controlled execution of transactions in environments with multiple users simultaneously modifying a database
- Prevents corruption or inconsistency
Data Independence
- Protects users and applications from physical storage changes by providing logical and physical data independence.
Backup and Recovery
- Facilitates backup creation and data recovery to handle potential issues.
Storage Engine
- Basic element in a DBMS, used to store database data.
Centralized View
- Provides a streamlined view of the database for end-users.
Log Manager
- Ensures efficient creation and accurate recording of log records, crucial for data integrity.
Data Utilities
- Offers utilities for database management and control.
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Description
Explore the Zachman's Framework, a pivotal structure in enterprise architecture that aligns IT infrastructure with business strategies. This quiz covers its application in system design, project management, and IT governance to streamline decision-making and resource allocation.
