Podcast
Questions and Answers
What is the primary function of systems design in relation to systems analysis?
What is the primary function of systems design in relation to systems analysis?
- To gather requirements for the system
- To determine the cost of the system
- To define how the system will be implemented (correct)
- To evaluate user satisfaction with the system
Which of the following statements best contrasts systems analysis with systems design?
Which of the following statements best contrasts systems analysis with systems design?
- Both processes have similar goals and outputs.
- Systems analysis is more technical than systems design.
- Systems design is only concerned with user interfaces.
- Systems analysis identifies the needs while design outlines implementation methods. (correct)
In the context of systems design, what is a critical component that bridges the gap between requirements and implementation?
In the context of systems design, what is a critical component that bridges the gap between requirements and implementation?
- System evaluation
- Final project review
- User training
- Detailed design activities (correct)
What are design activities primarily used for in systems design?
What are design activities primarily used for in systems design?
Which of the following best describes system controls and security within systems design?
Which of the following best describes system controls and security within systems design?
What is the primary objective of design in systems development?
What is the primary objective of design in systems development?
Which statement accurately describes the role of analysis in systems design?
Which statement accurately describes the role of analysis in systems design?
How do design activities correspond in the context of a new system?
How do design activities correspond in the context of a new system?
In agile or iteration projects, what is typically true about model creation?
In agile or iteration projects, what is typically true about model creation?
What can result from jumping straight to programming without adequate design?
What can result from jumping straight to programming without adequate design?
Which of the following is NOT a component considered in design activities?
Which of the following is NOT a component considered in design activities?
What dictates the type and complexity of models built during design?
What dictates the type and complexity of models built during design?
What is the starting point for the implementation phase in the systems development lifecycle?
What is the starting point for the implementation phase in the systems development lifecycle?
What are the three components of the fraud triangle?
What are the three components of the fraud triangle?
What is the primary goal of designing security controls?
What is the primary goal of designing security controls?
What does authentication in access controls achieve?
What does authentication in access controls achieve?
Which of the following defines 'Privileged Users'?
Which of the following defines 'Privileged Users'?
What is the purpose of an access control list?
What is the purpose of an access control list?
Which of the following factors is NOT part of fraud risk assessment?
Which of the following factors is NOT part of fraud risk assessment?
Which category does an 'Unauthorized User' belong to?
Which category does an 'Unauthorized User' belong to?
What is one of the objectives of maintaining a stable operating environment?
What is one of the objectives of maintaining a stable operating environment?
What is the primary requirement for an Information System?
What is the primary requirement for an Information System?
Which type of database management system is commonly used with current technology?
Which type of database management system is commonly used with current technology?
What is one of the key components addressed when converting a data model to a relational database?
What is one of the key components addressed when converting a data model to a relational database?
Which type of diagram is NOT typically part of the detailed design phase?
Which type of diagram is NOT typically part of the detailed design phase?
What do integrity controls in a system primarily aim to protect?
What do integrity controls in a system primarily aim to protect?
Which of the following best defines security controls in a system?
Which of the following best defines security controls in a system?
Which of the following is NOT typically included in a design class diagram?
Which of the following is NOT typically included in a design class diagram?
What is a primary focus when creating sequence diagrams during detailed design?
What is a primary focus when creating sequence diagrams during detailed design?
What is the primary purpose of data encryption?
What is the primary purpose of data encryption?
What does the encryption algorithm do?
What does the encryption algorithm do?
What distinguishes asymmetric key encryption from symmetric key encryption?
What distinguishes asymmetric key encryption from symmetric key encryption?
Which statement is true about digital signatures?
Which statement is true about digital signatures?
What is the role of a certifying authority in digital certificates?
What is the role of a certifying authority in digital certificates?
What is an encryption key?
What is an encryption key?
Which of the following statements about symmetric key encryption is correct?
Which of the following statements about symmetric key encryption is correct?
What is a digital certificate?
What is a digital certificate?
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Study Notes
Overview of Systems Design
- Systems design determines "how" a system will be structured and constructed following "what" is required from systems analysis.
- Objectives of design include defining, organizing, and structuring components to serve as a blueprint for implementation.
Design Models and Activities
- Design is a model-building activity; the complexity varies with project formality.
- Agile projects tend to create fewer but essential models; skipping design leads to suboptimal solutions requiring rework.
- Key design areas include environment, application components, user interface, database, and software classes.
Database Design
- Information systems rely on data typically stored in a relational database.
- Transitioning from a data model to a relational database involves addressing technical issues like throughput, response time, and security.
Software Classes and Methods
- Detailed design includes creating class diagrams, sequence diagrams, and state-machine diagrams to define software components.
Controls and Security
- Integrity controls ensure the accuracy and consistency of data during inputs, outputs, and processing.
- Security controls protect system assets from both internal and external threats.
Fraud Prevention
- Preventing fraud is critical, with the "Fraud Triangle" highlighting opportunity, motive, and rationalization as key factors in understanding fraud risks.
Designing Security Controls
- The design of security measures focuses on protecting assets from external threats while ensuring a stable operating environment.
- Access control mechanisms include authentication, authorization, and user classifications (registered, unauthorized, privileged).
Data Encryption
- Encryption secures data, rendering it unrecognizable until decrypted through an algorithm and a unique encryption key.
- Symmetric key encryption uses the same key for both encryption and decryption, while asymmetric key (public key) encryption uses different keys.
Digital Signatures and Certificates
- Digital signatures create a secure way to verify authenticity by encrypting documents with a private key.
- Digital certificates authenticate an organization's identity, certified by a trusted third party known as a certifying authority, integrated into web browsers for widespread recognition.
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