How many layers are involved in client-server environment?
Answer(s): C
A client-server environment is a type of distributed system that divides the application logic into three layers: presentation, application, and data. The presentation layer is responsible for the user interface and interaction, the application layer contains the business logic and functionality, and the data layer manages the storage and retrieval of data. Each layer can run on a different machine or server, allowing for scalability, modularity, and security1234
1: Client Server Architecture: Types, Examples, & Benefits2: Client-Server Model - GeeksforGeeks3: What is Three-Tier Architecture | IBM4: Figure 1. The Client/Server Computing Environment - IBM
In a multi-user design One group usually develops the systems for use by another group
Answer(s): A
In a multi-user design, one group usually develops the systems for use by another group. This is because different groups of users may have different needs, preferences, and expectations for the system. For example, a system that is designed for the accounting department may not be suitable for the marketing department, or a system that is designed for the managers may not be user- friendly for the employees. Therefore, a multi-user design involves identifying the target users, analyzing their requirements, designing the system accordingly, and testing the system with the users. A multi-user design also requires coordination and communication among the developers and the users, as well as among different user groups, to ensure that the system meets the needs and expectations of all stakeholders.
Multi-User Operating System - GeeksforGeeks; Multiple Group Design: Definition & Examples - Study.com; Chapter 10: Information Systems Development
How many stages are there in a systems design life-cycle?
Answer(s): B
According to the Certified IT Manager (CITM) course outline, there are nine stages in a systems design life-cycle. They are: 1. Initiation, 2. Concept Development, 3. Planning, 4. Requirements Analysis, 5. Design, 6. Development, 7. Integration and Test, 8. Implementation, and 9. Operations and Maintenance. Each stage has its own objectives, deliverables, and activities that ensure a systematic and effective approach to system development.
CITM Course Outline, System Development Life Cycle - GeeksforGeeks, Systems development life cycle - Wikipedia
Which of the following is a second step in Systems Design Life Cycle?
Systems analysis is the second step in the Systems Design Life Cycle (SDLC), which is a process for planning, creating, testing, and deploying an information system. Systems analysis involves gathering and analyzing the requirements of the system, such as the user needs, the business objectives, and the functional specifications. Systems analysis also involves modeling the system using various techniques, such as data flow diagrams, entity-relationship diagrams, and use case diagrams. Systems analysis helps to define the scope and boundaries of the system, as well as the inputs, outputs, processes, and data structures. Systems analysis is essential for ensuring that the system design meets the expectations and needs of the stakeholders.
1, 2, 3, 4 https://www.geeksforgeeks.org/system-design-life-cycle-phases-models-and-use-cases/ https://www.geeksforgeeks.org/system-development-life-cycle/
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