Web Engineering Chapter Slides

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Questions and Answers

What is the primary purpose of building three new databases for SafeHomeAssured.com?

To store information on SafeHome products, customers, and monitoring (correct)
To reduce the load on the existing database
To improve the security of the WebApp
To reduce the complexity of the WebApp

What is the main reason for building a data warehousing component for the SafeHomeAssured.com WebApp?

To improve the user interface of the WebApp
To reduce the storage capacity of the WebApp
To provide a centralized location for storing data
To tap information about local building regulations and suppliers (correct)

What is the characteristic of the SafeHomeAssured.com WebApp?

It is a WebApp with a simple user interface
It is a WebApp with a single database
It is a WebApp with attributes of a portal (correct)
It is a WebApp with minimal attributes

What is the main benefit of using aspects of the user input elements of the WebApp to query the databases?

Easier access to relevant information (A) Signup and view all the answers

What is the context in which the SafeHomeAssured.com WebApp is being developed?

As a growing company with an expanding product line and customer base (D) Signup and view all the answers

What is a common attribute of WebApps that requires serving the needs of a diverse community of clients?

Network intensiveness (D) Signup and view all the answers

What is CPI, according to the context of the SafeHomeAssured.com WebApp?

A company that provides security products (B) Signup and view all the answers

In the case of the Safe-Home Product, what enables communication between client-based features of the SafeHomeAssured.com WebApp and the servers established by CPI?

Network intensiveness (C) Signup and view all the answers

What is a characteristic of WebApp usage that may vary greatly among end users?

Patterns of usage (D) Signup and view all the answers

In the case of SafeHomeAssured.com, how many homes will be monitored concurrently?

Tens of thousands (C) Signup and view all the answers

What is a characteristic of WebApp usage that may have an impact on the actions of other users?

The actions of one user (C) Signup and view all the answers

What is an attribute of WebApps that refers to the varying number of users accessing the WebApp at different times?

Unpredictable load (A) Signup and view all the answers

How many customers may access the SafeHomeAssured.com WebApp at any given time?

Hundreds or thousands (A) Signup and view all the answers

What is an attribute of WebApps that refers to the large number of users accessing the WebApp at the same time?

Concurrency (B) Signup and view all the answers

What is the role of the Web in modern living?

An indispensable technology in virtually every aspect (B) Signup and view all the answers

What is the primary impact of the Web on the way we do things?

It has changed the way we acquire and disseminate information (B) Signup and view all the answers

What is an example of how the Web has changed the way we understand the world?

Through online portals (C) Signup and view all the answers

What is the primary function of a delivery vehicle in Web Engineering?

To take raw information, structure it, and deliver it to the Web browser (B) Signup and view all the answers

What is the Web's impact on the way we acquire our news?

It has changed the way we acquire our news through online media (C) Signup and view all the answers

What is the Web's impact on education?

It has changed the way we go to school through online learning (A) Signup and view all the answers

What is the Web's impact on commerce?

It has changed the way we buy products through e-commerce (B) Signup and view all the answers

What is the characteristic of the Web that makes it important in modern living?

It is an evolving technology that has a high impact on everyone (D) Signup and view all the answers

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Study Notes

WebApp Attributes

WebApps have attributes such as network intensiveness, as they reside on a network and serve diverse clients.
Network intensiveness enables communication between client-based features and servers.

Concurrency in WebApps

Concurrency is an attribute of WebApps, where a large number of users access the WebApp simultaneously.
Users' actions can impact others, and usage patterns vary greatly among end users.
In SafeHomeAssured.com, tens of thousands of homes are monitored concurrently, and hundreds of customers access the WebApp simultaneously.

Unpredictable Load in WebApps

Unpredictable load is an attribute of WebApps, where the number of users varies by orders of magnitude from day to day.

The Web

The web is an indispensable technology in modern living, used in various aspects such as business, education, and entertainment.
The web is a transformative technology that changes the way we do things, including how we acquire and disseminate information.
The web has changed the way we buy products, meet people, understand the world, acquire news, voice opinions, entertain ourselves, and learn.
The web is an evolving technology with a high impact on everyone in the modern world.

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