Q2 Moving to Design and Architectural Design Multiple Choice

1. 
   The design phase of the SDLC creates a(n) _____.
   
   1. 
      blueprint for the future system
      
   2. 
      picture of the as-is system
      
   3. 
      understanding of who, what, when, and where the future system will be
      
   4. 
      understanding of why build the system
      
   5. 
      none of the above
      

2. 
   When an analyst discovers that a set of classes have a similar set of attributes and methods, it may make sense to _____ out the similarities into a separate class.
   
   1. 
      refine
      
   2. 
      abstract
      
   3. 
      factor
      
   4. 
      partition
      
   5. 
      separate
      

3. 
   Which of the following is not a fundamental way to approach the creation of a new information system?
   
   1. 
      develop a custom application in-house
      

   2. rely on an external vendor to build the system

   3. 
      purchase a software package and customize it
      
   4. 
      rely on end-users to develop it themselves
      
   5. 
      all of the above are ways to create new information systems
      

4. 
   There are three methods to create a new system. They are _____.
   
   1. 
      buy a package, external vender, external service provider
      
   2. 
      develop custom application in-house, external service provider, and external vender
      
   3. 
      external service provider, rely on a developer, and external vender
      
   4. 
      in-house custom application, buy a package, and external vender
      
   5. 
      in-house custom application, external service provider, and external vender
      

1. 
   The computing architecture in which the server performs practically all of the work is known as _____.
   
   1. 
      client connection based architecture
      
   2. 
      client-based architecture
      
   3. 
      client-server architecture
      
   4. 
      server-based architecture
      
   5. 
      middleware architecture
      

2. 
   Which of the following is NOT one of the four basic functions of a computer application?
   
   1. 
      application logic
      
   2. 
      data access logic
      
   3. 
      data storage
      
   4. 
      networking logic
      
   5. 
      presentation logic
      

3. 
   A server can be a(n) _____.
   
   1. 
      mainframe
      
   2. 
      mainframe, minicomputer, or microcomputer
      
   3. 
      microcomputer
      
   4. 
      minicomputer
      
   5. 
      low-end personal computer
      

4. 
   The application function that allows data to be stored and retrieved is called _____.
   
   1. 
      application logic
      
   2. 
      data access logic
      
   3. 
      data storage
      
   4. 
      presentation logic
      
   5. 
      network logic
      

5. 
   A server in the client-server architecture performs which of the following application functions?
   
   1. 
      application logic and data storage
      
   2. 
      application logic and presentation logic
      
   3. 
      data access logic and presentation logic
      
   4. 
      data access logic and data storage
      
   5. 
      data storage logic and presentation logic
      

6. 
   What is one primary problem with server-based computing architectures?
   
   1. 
      As more users place heavier demands on the server, it is expensive to increase server capacity.
      
   2. 
      Client terminals are no longer made by hardware vendors.
      
   3. 
      It is difficult to maintain security in the server-based environment.
      
   4. 
      Servers are no longer made by hardware vendors.
      
   5. 
      Servers cannot be manufactured quickly by vendors.
      

7. 
   Scalability refers to the _____.
   
   1. 
      easy increase or decrease of the storage and processing capabilities of the computer
      
   2. 
      fact that there is no central point of failure in the system
      
   3. 
      deployment of middleware in the system
      
   4. 
      support of many different types of clients and servers
      
   5. 
      ease of decreasing the cost of the infrastructure during economic downturn
      

8. 
   In an n-tiered architecture, the _____ is spread across two or more different sets of servers.
   
   1. 
      presentation logic
      
   2. 
      application logic
      
   3. 
      data access logic
      
   4. 
      data storage
      
   5. 
      any of the above can be spread across two or more sets of servers
      

9. 
   Which of the following is the general term for the middleware between the clients and servers?
   
   1. 
      DOC
      
   2. 
      OMG
      
   3. 
      CORBA
      
   4. 
      DCOM
      
   5. 
      COM+
      

10. 
    The six architecture characteristics that assist in selecting the proper architecture are cost of infrastructure, cost of development, ease of development, _____, _____, and _____.
    
    1. 
       control and security, scalability, cost of programming
       
    2. 
       interface capabilities, control and security, cost of programming
       
    3. 
       interface capabilities, control and security, scalability
       
    4. 
       interface capabilities, control, and security
       
    5. 
       interface capabilities, scalability, cost of programming
       

11. 
    Ethan is considering the replacement of the existing network for his organization. He has projected organizational growth at 50% per year for the next five years. With this growth, many new employees will surely be hired and trained. He has received a large amount of money from a small business grant for the initial development. The architecture Ethan should select is _____.
    
    1. 
       server-based
       
    2. 
       client-based
       
    3. 
       client-server
       
    4. 
       network-based
       
    5. 
       client-network server
       

12. 
    A network model will depict _____.
    
    1. 
       clients
       
    2. 
       network equipment
       
    3. 
       external networks
       
    4. 
       servers
       
    5. 
       all of the above
       

13. 
    Elements of a deployment diagram include _____.
    
    1. 
       Nodes, artifacts, and locations of middleware components
       
    2. 
       Client PCs, servers, and locations of application logic modules
       
    3. 
       Servers, external networks, and data access logic
       
    4. 
       Primarily servers
       

14. 
    Physical networks to connect remote sites are typically obtained _____.
    
    1. 
       by laying cable between the various locations
       
    2. 
       by implementing a satellite system
       
    3. 
       through leased services from telecommunications companies
       
    4. 
       through leased services from utility companies
       
    5. 
       microwave or other types of wireless technologies
       

15. 
    Which one of the following type of operational requirements attempts to anticipate the future requirements?
    
    1. 
       Technical environment requirements
       
    2. 
       System integration requirements
       
    3. 
       Portability requirements
       
    4. 
       Maintainability requirements
       
    5. 
       Capacity requirements
       

16. 
    Which one of the following is not part of the security requirements?
    
    1. 
       System value estimates
       
    2. 
       Capacity requirements
       
    3. 
       Access control requirements
       
    4. 
       Encryption and authentication requirements
       
    5. 
       Virus control requirements
       

17. 
    In order to prepare computer systems for global communication, _____ are designed to handle multiple languages simultaneously.
    
    1. 
       concurrent multilingual systems
       
    2. 
       discrete multilingual systems
       
    3. 
       functional multilingual systems
       
    4. 
       cyrillic multilingual systems
       
    5. 
       non-English systems
       

18. 
    Recent studies have shown that ______ percent of organizations suffer from virus infections each year.
    

2. 
   70
   
3. 
   75
   
4. 
   80
   
5. 
   90
   

19. 
    In the public key private key encryption algorithm, normally public key is used to _________, while private key is used to ______________.
    
    1. 
       Encrypt data, decrypt data
       
    2. 
       Store data, restore data
       
    3. 
       Access data, access information
       
    4. 
       Password-protect data, retrieve password
       
    5. 
       Encrypt login id, encrypt password
       

20. 
    The norm for dates in Europe is _____.
    
    1. 
       MM/DD/YYYY
       
    2. 
       YYYY/MM/DD
       
    3. 
       DD/MM/YYYY
       
    4. 
       DD/YYYY/MM
       
    5. 
       MM/YYYY/DD
       

1. 
   In the server-based architecture, all data stored on one computer.
   
   1. 
      True
      
   2. 
      False
      

2. 
   An advantage of server-based architecture is that they never become overloaded and are always able to process user demands in a timely way.
   

1. 
   True
   
2. 
   False
   

3. 
   With the client-based architecture the clients are personal computers on a local area network and the server computer is a server on the same network.
   

1. 
   True
   
2. 
   False
   

4. 
   Client-server architectures strive to balance the processing between the client and the server by having both perform some of the application functions.
   

1. 
   True
   
2. 
   False
   

5. 
   A two-tiered architecture uses only three sets of computers, clients, database servers, and application servers.
   

1. 
   True
   
2. 
   False
   

6. 
   Senior management has established the priority for the new system as “the highest security and control at any cost.” The systems analyst should recommend a client-based computing architecture.
   

1. 
   True
   
2. 
   False
   

7. 
   Senior management has established the priority for the new system as “user friendly, and quickly and inexpensively expandable to all part of the organization.” The systems analyst should recommend a client-server based computing architecture.
   

1. 
   True
   
2. 
   False
   

8. 
   The hardware and software specification is a document that describes what hardware and software are needed to support the application.
   

1. 
   True
   
2. 
   False
   

9. 
   Server-based computing requires a high degree of coordination among many components, and the chances of security holes or control problems are much greater than with client-server computing.
   

1. 
   True
   
2. 
   False
   

10. 
    The purpose of the network model is to convey the complexity of the system, to show how the system’s components will fit together, and to help the project team develop the hardware and software specification.
    

1. 
   True
   
2. 
   False
   

11. 
    A node in a deployment diagram typically indicates a server, a client or a separate network. A node never represents an individual network device since that is a very low level of abstraction for a deployment diagram.
    

1. 
   True
   
2. 
   False
   

12. 
    In a deployment diagram, typically a node is labeled with a stereotype, with the stereotype representing the type of node (e.g., web server, database server, mobile device).
    

1. 
   True
   
2. 
   False
   

13. 
    A concurrent multilingual system is one that contains separate parts that are written in each language and must be reinstalled before a specific language can be used.
    

1. 
   True
   
2. 
   False
   

14. 
    Most systems are not built to use the existing infrastructure in the organization, so the current infrastructure rarely restricts the choice of architecture.
    
    
    
    1. 
       True
       
    2. 
       False
       

15. 
    The client-server architecture was originally developed to control and secure data, and it is much easier to administer because all data are stored in a single location.
    

1. 
   True
   
2. 
   False
   

16. 
    Project teams are usually more concerned with how an existing infrastructure needs to be changed or improved to support the requirements that were identified during analysis, as opposed to how to design and build an infrastructure from scratch.
    

1. 
   True
   
2. 
   False
   

17. 
    Companies seldom build networks to connect distant locations by buying land and laying cable or sending up their own satellites; they usually lease services provided by large telecommunications firms, such as AT&T, Sprint, and Verizon.
    

1. 
   True
   
2. 
   False
   

18. 
    In a deployment diagram, an artifact is a piece of the information system that is to be deployed onto the physical architecture.
    

1. 
   True
   
2. 
   False
   

19. The function that provides the processing required to query a database and other logic related to the data management layer is called presentation logic.

1. 
   True
   
2. 
   False
   

20. The function that provides the logic related to the problem domain layer is called application logic.

1. 
   True
   
2. 
   False
   

21. The function that provides the processing logic required by the human computer interaction layer is called presentation logic.

1. 
   True
   
2. 
   False
   

22. In a deployment diagram, a communication path represents a communication link between the nodes of the physical architecture, and communication paths may be stereotyped.

1. 
   True
   
2. 
   False
   

23. Capacity requirements, which are one kind of performance requirements, attempt to predict how fast the system should operate.

1. 
   True
   
2. 
   False
   

24. Speed requirements, which are one kind of performance requirements, attempt to predict how many total and simultaneous users the system will need to support.

1. 
   True
   
2. 
   False
   

25. “The system should be operational on a 24/7 basis for the users.” This is an example of the availability and reliability requirements.

1. 
   True
   
2. 
   False
   

26. 
    Minicomputer typically costs hundreds of thousands of dollars while a mainframe costs millions of dollars.
    

1. 
   True
   
2. 
   False
   

26. 
    Access control requirements state who can access data and what type of CRUD data access is permitted to each individual who has access to data.
    

1. 
   True
   
2. 
   False
   

26. 
    Encryption and authentication requirements address virus control measures.
    

1. 
   True
   
2. 
   False
   

26. 
    The languages in which the system needs to operate are documented as part of the customization requirements.
    

1. 
   True
   
2. 
   False
   

26. 
    Maintainability and access control requirements are better met by the server-based architectures than the client-server architectures.
    

1. 
   True
   
2. 
   False
   

26. 
    Thin client-server architectures do not have the ability to address cultural and political requirements better than the server-based architectures.
    

1. 
   True
   
2. 
   False
   

26. 
    Client-based systems are ill equipped to meet operational, performance, security, and cultural/political requirements.
    

1. 
   True
   
2. 
   False
   

26. 
    System integration requirements document how the technical environment might change in the future and how the system must respond to future technical environment changes.
    

1. 
   True
   
2. 
   False
   

26. 
    A server in the server-based architecture performs application logic, data access logic, data storage, and presentation logic.
    

1. 
   True
   
2. 
   False
   

26. 
    The major problem with a server-based architecture is that all data on the server must travel to the client for processing.
    

1. 
   True
   
2. 
   False
   

26. 
    Assume that your network has a server and three clients, the network is an example of a four-tiered architecture.
    

1. 
   True
   
2. 
   False
   

26. 
    Microsoft’s approach to DOC (Distributed Objects Computing) is DCOM (Distributed Component Object Model).
    

1. 
   True
   
2. 
   False
   

26. 
    Scalability is an important attribute in today's systems. Client-server architectures tend to be more scalable compared to the server-based architectures.
    

1. 
   True
   
2. 
   False
   

26. 
    In order to prepare computer systems for global communication, discrete multilingual systems contain separate parts that are written in multiple language and must have each language reinstalled before it can be used.
    

1. 
   True
   
2. 
   False
   

26. 
    A stereotype in UML diagrams is modeled as a text item enclosed in the symbols “>> <<”.
    

1. 
   True
   
2. 
   False
   

1. 
   Describe the fundamental types of computing architectures. Identify the four general functions of an application system and apply each to the corresponding computing architecture.
   

2. 
   Identify the characteristics used when selecting a computing architecture. Provide a description of characteristic.
   

3. 
   Scott and Tim need to implement a very secure system for the Johnson Space Flight Center. The Center has an endless hardware budget, so infrastructure costs are not a consideration. The Center has a well trained IS staff that is available for the project. Only six people will be interacting with the new system and they are engineers with years of computer experience. Scott and Tim do not see changes to the system in the near future.
   

Using the six characteristics of a computing architecture, make an architecture selection recommendation to Scott and Tim.

4. 
   Sara and Julian need to implement a system for the Johnson Space Flight Center. It is projected that the Center will grow 60% or more over the next two years. These drastic increases at the Center will be reflected in huge increases in personnel, the relocation of offices, and many software upgrades. All of the software to be used in this system is considered “non-secure”. The software will be purchased, thus reducing the cost of development.
   

Using the six characteristics of a computing architecture, make an architecture selection recommendation to Sara and Julian.

5. 
   Explain how the four fundamental computer application functions are handled in client-server computing architectures. Discuss what is meant by fat client and thin client configurations.
   

6. 
   Explain the distinction between two-tiered, three-tiered, and n-tiered client-server architectures. What is the chief advantage of a multi-tiered architecture as compared to a two-tiered architecture? What are the limitations?
   

7. 
   Discuss the factors that might encourage an organization to adopt a server-based architecture as opposed to a client-server-based architecture.
   

8. 
   Assume an organization plans to launch a web-based order entry system that can be used directly by customers. Discuss three issues that need to be addressed when creating a system that will probably have users in multiple countries.
   

9. 
   What is distributed objects computing and how may it simplify maintenance in a client-server environment?
   

10. 
    Describe deployment diagrams. Discuss different components of a deployment diagram.
    

11. 
    Describe network models. Discuss different components of a network model.
    

12. 
    Define operational requirements. Briefly describe four key operational requirement areas.
    

13. 
    Define performance requirements. Briefly describe three key areas of performance requirements.
    

14. 
    Define security requirements. Briefly describe four key areas of performance requirements.
    

15. 
    Define cultural and political requirements. Briefly describe four key areas of cultural and political requirements.
    

1. 
   In moving to design which of the following best represents the design items you must address.
   
   1. 
      Capacity Design, Throughput Design, Functionality Design
      
   2. 
      Environmental Design (client server), Database Design, User Interface Design, Class Architectural Design
      
   3. 
      Access Control Design, Communication Design, Middleware Design
      
   4. 
      None of the above
      

2. 
   The Preliminary Design Architecture defines the computing Environment for which of the following
   
   1. 
      Capacity, Throughput, Functionality Design, and User Testing
      
   2. 
      Environmental Design (client server), Database Design, User Interface Design, Class Architectural Design
      
   3. 
      Computers, Operating System, Database Management, Communication Systems and Middleware
      
   4. 
      Access Control, Communication, Middleware, Security
      

3. 
   If you have a use case to enter and modify student demographic (name address, etc) information which needs a screen (with entry and modification) and a student database table. How many would be the minimum number of classes you would need.
   
   1. 
      One
      
   2. 
      Two
      
   3. 
      Three
      
   4. 
      Four
      
   5. 
      More than Four
      

4. 
   When designing a system, the class diagram changes since additional classes are needed. Which of the following represents the types of classes that are needed for design?
   
   1. 
      Middleware Classes, Clean Up Classes, Maintenance Classes, Initalization Classes
      
   2. 
      Data Classes, Interface Classes, Deployment Classes, Pattern Classes, Use Case Classes
      
   3. 
      System Classes, Capacity Classes, Communication Classes
      
   4. 
      Security Classes, Middleware Classes, System Parameter Classes
      

1. 
   A screen would need at least two classes, the display class and the navigation class.
   
   1. 
      True
      
   2. 
      False
      

2. 
   One Screen may have more than one Controller associated with it.
   
   1. 
      True
      
   2. 
      False
      

3. 
   Each database table requires at least one class.
   
   1. 
      True
      
   2. 
      False
      

4. 
   Each use case requires at least one class.
   
   1. 
      True
      
   2. 
      False