Deck 11: Physical Architecture Layer Design

Question 1

Recent studies have shown that almost ___ percent of organizations suffer a virus infection each year.
A) 60
A) 70
A) 80

A) 90
B) 50

Answer 1

A

Question 2

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

A) minicomputer

Answer 2

B

Question 3

The six architecture characteristics that assist in selecting the proper architecture are cost of infrastructure, cost of development, ease of development, _____, _____, and _____.
A) control and security, scalability, cost of programming
A) interface capabilities, control and security, cost of programming
A) interface capabilities, control and security, scalability
A) interface capabilities, control, and security

A) interface capabilities, scalability, cost of programming

Answer 3

C

Question 4

The cloud can contain the firm's IT infrastructure, IT platform, and software. _______________ refers to the cloud providing the computing hardware to the firm as a remote service.
A) Infrastructure as a service (IaaS)

A) Software as a service (SaaS)
B) Platform as a service (PasS)
B) Utility as a service (UaaS)
C) Computing as a service (CaaS)

Question 5

Which one of the following type of operational requirements attempts to anticipate the future requirements?

A) Technical environment requirements
B) System integration requirements
C) Portability requirements
D) Maintainability requirements
E) Capacity requirements

Question 6

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 _____.
A) client-based
A) client-network server
A) client-server
A) network-based

A) server-based

Question 7

What is one primary problem with server-based computing architectures?
A) As more users place heavier demands on the server, it is expensive to increase server capacity.
A) Client terminals are no longer made by hardware vendors.
A) It is difficult to maintain security in the server-based environment.
A) Servers are no longer made by hardware vendors.

A) Servers cannot be manufactured quickly by vendors.

Question 8

A server in the client-server architecture performs which of the following application functions?
A) application logic and data storage
A) application logic and presentation logic
A) data access logic and data storage
A) data access logic and presentation logic

A) data storage logic and presentation logic

Question 9

In an n-tiered architecture, the _____ is spread across two or more different sets of servers.

A) presentation logic
B) application logic
C) data access logic
D) data storage
E) any of the above can be spread across two or more sets of servers

Question 10

Scalability refers to the _____.
A) deployment of middleware in the system
A) ease of decreasing the cost of the infrastructure during economic downturn
A) easy increase or decrease of the storage and processing capabilities of the computer
A) fact that there is no central point of failure in the system

A) support of many different types of clients and servers

Question 11

The application function that allows data to be stored and retrieved is called _____.
A) application logic
A) data access logic
A) data storage
A) network logic

A) presentation logic

Question 12

A network model will depict _____.
A) all of the above
A) clients
A) external networks
A) network equipment

A) servers

Question 13

Many countries have ____ norms for expressing information such as dates that are unique to the country. Knowledge of these norms is important when developing global information systems.
A) cultural
A) idiosyncratic
A) specialized

A) variable
B) unstated

Question 14

Elements of a deployment diagram include _____.
A) Client PCs, servers, and locations of application logic modules
A) Nodes, artifacts, and locations of middleware components
A) Primarily servers

A) Servers, external networks, and data access logic
E) Nodes, artifacts, and communication paths

Question 15

Which of the following is NOT one of the four basic functions of a computer application?
A) application logic
A) data access logic
A) data storage
A) networking logic

A) presentation logic

Question 16

Systems designed to handle multiple languages on the fly are ____ multilingual systems.
A) ad-hoc
A) concurrent
A) discrete

A) versatile
B) global

Question 17

The computing architecture in which the server performs practically all of the work is known as _____.
A) client connection based architecture
A) client-based architecture
A) client-server architecture
A) middleware architecture

A) server-based architecture

Question 18

Which one of the following is not part of the security requirements?

A) System value estimates
B) Capacity requirements
C) Access control requirements
D) Encryption and authentication requirements
E) Virus control requirements

Question 19

The public key infrastructure (PKI) is ______.
A) hardware
A) organizations
A) policies

A) software
B) all of the above

Question 20

In the public key private key encryption algorithm, normally the public key is used to _________, while the private key is used to ______________.
A) Access data, access information
A) Encrypt data, decrypt data
A) Password-protect data, retrieve password

A) Store data, restore data
B) Encrypt login id, encrypt password

Question 21

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

Question 22

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.

Question 23

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

Question 24

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.

Question 25

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.

Question 26

Fundamentally, cloud computing is an umbrella technology that encompasses the ideas of ________________, service-oriented architectures, and grid computing.
A) Remote Method Invocation (RMI)
A) distributed computing
A) e-business

A) virtualization
B) networking

Question 27

In the server-based architecture, all data stored on one computer.

Question 28

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

Question 29

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.

Question 30

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.

Question 31

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

Question 32

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.

Question 33

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.

Question 34

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

Question 35

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.

Question 36

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.

Question 37

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

Question 38

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.

Question 39

Which one in the following is one of the set of obstacles that cloud computing must overcome before it becomes the primary approach to provision the physical architecture layer.
A) the cost of the cloud
A) the level of availability of the cloud
A) the safety of the cloud

A) the security in the cloud
B) the usability of the cloud

Question 40

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).

Question 41

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

Question 42

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

Question 43

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

Question 44

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

Question 45

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

Question 46

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

Question 47

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

Question 48

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

Question 49

Encryption and authentication requirements address virus control measures.

Question 50

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

Question 51

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

Question 52

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

Question 53

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

Question 54

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.

Question 55

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

Question 56

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

Question 57

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

Question 58

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

Question 59

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

Question 60

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

Question 61

Cost of ownership is an estimate of the purchase price of the system used to determine whether or not to lease from an outsource vendor.

Question 62

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

Question 63

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

Question 64

Cost of cloud is one of the set of obstacles for adopting the cloud.

Question 65

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

Question 66

Basically, a web service in cloud computing is the software that supports an entire business process such as salesforce.com.

Question 67

Virtualization is another term for cloud computing.

Question 68

Legacy databases and systems are one of seven factors in the hardware and software specification document

Question 69

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.

Question 70

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

Question 71

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

Question 72

With Platform as a Service (PaaS), the cloud vendor not only provides hardware support to a customer, but also provides the customer with either package-based solutions, different services that can be combined to create a solution, or the development tools necessary to create custom solutions in the PaaS vendor's cloud.

Question 73

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.

Question 74

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

Question 75

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

Question 76

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?

Question 77

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

Question 78

Security concerns are one of the set of obstacles for adopting the cloud.

Question 79

The paperless office idea is becoming a reality thanks for widely using of tablet devices.

Question 80

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.