Contrast a traditional Web application running on a single computer versus a Web application hosted in a public cloud.

What will be an ideal response?


A traditional Web application runs on a single computer or a group of privately owned computers.  Such computers are powerful enough to serve a certain number of requests per minute and can provide an acceptable response time for Web requests. If a Web site or Web application suddenly becomes more popular, the increased traffic can overwhelm a Web server, and the response time of the requested pages will increase from the overload. On the other hand, much of the server's capacity is unused when demand is low.

By contrast, if the Web site or Web application is hosted in a public cloud, additional  processing and computing power is available within the cloud. If a Web site suddenly becomes more popular, the cloud can automatically direct more individual computers to serve pages for the site. If the site loses popularity, the cloud will scale down the number of servers to reduce the cost of service. The Web site might share the cloud servers with thousands of other Web sites of varying sizes and memory. Cloud computing is popular for its "pay-as-you-go" pricing model.

Computer Science & Information Technology

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An exception should be

a. Used within a function b. Thrown outside a try block c. Listed in an exception specification for the function where the exception is thrown d. Thrown in a different function than it is caught in. (If you select this, tell how are these functions related?) e. Reserved for a situation where the way an exception should be handled depends on how and where the function is used

Computer Science & Information Technology

Once a _____ is installed, the attacker can gain full access to the computer.

A. ?botnet B. zombie C. ?worm  D. ?rootkit

Computer Science & Information Technology

You work for a private organization that contracts out forensic investigations. In the process of examining a suspect’s hard drive in the course of an internal investigation, you come across numerous files that are quite obviously child pornography. You turn them over to the local law enforcement, which obtains a warrant and seizes the computer. Which document applies to this situation?

a. FRCP

Computer Science & Information Technology

With what has the drop-down menu system been replaced in the 2007 version?

A) Ribbon system B) Keyboard shortcuts C) Right-clicking D) Mapping system

Computer Science & Information Technology