Course 1 - W1: All quiz

The following are the requirements and specifications of an online banking service. Which of the following can be categorized as (user) requirements? Select two. A. A user shall be able to use the online banking system securely. B. The user shall be able to check the current balance of the checking accounts that he/she own. C. At the time a query is made to check the current balance of a checking account, the owner of the checking account shall be logged in. D. Activate a login session when a user logs in, and maintain the session for 60 minutes unless the user who logged in had remained inactive for more than 120 seconds.

A, B

A good software architecture is important because: A. It helps organize the workforce and resources. B. It allows for parallelization in development. C. It helps build-or-buy decisions. D. It helps with funding decisions.

A, B, C, D

Software quality attributes that we care about during software architecture are: A. Performance. B. Reliability. C. Testability. D. Security. E. Usability.

A, B, C, D, E

2.In which of the following software development models are the software development activities performed sequentially rather than in iterations? A. Agile models B. The Waterfall model

B

A vehicle identification and tracking system, where each moving vehicle is tracked and monitored through a shared program, is best modeled by: A. Pipe-and-Filter Model. B. Blackboard Model. C. Layer Model D. Client-Server Model E. Event-based Model

B

Software architecture concerns itself with both estimation and quality but not partitioning. A. True. B. False.

B

WRSPM stands for: A. Wide, Requirement, Software, Planning and Model. B. World, Requirement, Specification, Program and Machine. C. None of the above.

B

1.Which of the following software development models can best respond to requirements changes? A. Agile models B. The Waterfall model C. The V-model

A

A constraint to only use Microsoft Project during the system development is a non-functional requirement. A. True. B. False.

A

Looking at the difference between user requirements and system specifications in the ATM example, we know that swiping the card and prompting for a PIN are requirements, while reading the card details and a 4-digit PIN are specifications. A. True. B. False.

A

Partitioning of a large system into smaller subsystems helps the buy-or-build decision because we can examine each subsystem and reason about possible buy-or-build options for each. A. True. B. False.

A

The difference between subsystems and modules are: A. Subsystems can independently comprise the business logic by itself while modules can't. B. Subsystems can communicate with other subsystems while modules cannot communicate with other modules. C. All of the above.

A

The purpose of the WRSPM model is to ensure that: A. Specifications meet the requirements. B. Requirements meet specifications. C. None of the above.

A

The following are requirements and specifications of an online banking service. Which of the following can be categorized as system specifications? Select two. A. The user shall be able to check the current balance of the checking accounts that he/she own. B. Activate a login session when a user logs in, and maintain the session for 60 minutes unless the user who logged in has been inactive for more than 120 seconds. C. At the time a query is made to check the current balance of a checking account, the owner of the checking account shall be logged in. D. A user shall be able to use the online banking system securely.

B, C

Why is requirement specification important? Select two. A. Changing the requirement is not possible once the system is fully developed. B. Repairing a bug in the requirements can cost thousands of times less than in the later phases of the software development lifecycle. C. Spending time upfront in requirement specification can save time in the later phases of the software development lifecycle.

B, C

3.Which of the following are limitations of the waterfall model? Select three. A. It is not suitable for big projects. B. It is difficult to respond to requirements changes. C. Misinterpretations of requirements or design can remain undetected until the later development phases. D. Integration issues may remain undetected until the last phase.

B, C, D

Specifying requirements is difficult because (select three): A. There is no guideline for writing a software requirement specification document. B. Terminology can be interpreted in multiple ways depending on the person or the context in which it was used. C. Software is intangible, which makes it difficult to comprehend and communicate. D. The client or end users might not be clear about what they want.

B, C, D

Which of the following are true about requirements and specifications? (Choose all that apply) A. Requirements call for specification-level refinement. B. Requirements are for users; specifications are for developers. C. Specifications shall meet the requirements. D. Requirements shall be written in the user's language; system specifications shall be written in the system language.

B, C, D

An online banking system is best modeled by: A. Pipe-and-Filter Model. B. Blackboard Model. C. Client-Server Model. D. Event-based Model.

C

A subsystem in an architecture must: A. be created separately and can operate individually. B. have business value. C. be integrated with one another or with existing subsystems. D. All of the above.

D

Which is the right description about the requirement specification process? A. Requirement specification is a process to design the solution to the problem. B. Requirement specification is a process that identifies and specifies the problem and possible solutions to the problem. C. Requirement specification is a process of solving the requirements. D. Requirement specification is a process to identify and specify the problem to solve.

D

Which of the following are non-functional requirements: A. Some product requirements, like using a specific encryption protocol, are non-functional requirements. B. Organization requirements imposed by the company, like a specific coding style, are non-functional requirements. C. External requirements imposed by external organization, like using a specific development style, are non-functional requirements. D. All of the above.

D

A UNIX program where the output of one program is the input of another, is an example of which of the software architecture models below: A. Blackboard Model. B. Layered Model. C. Event-based Model. D. Client-Server Model. E. Pipe-and-Filter Model.

E