Ch 5

1: It's almost anonymous, intercepting e-mail, place fraudulent orders, shut down sites with viruses and swarm attacks.
2: Integrity - unauthorized person intercepts and changes the contents of an online communication
Nonrepudiation - a person can post comments or send a message and perhaps later deny doing so.
Authenticity - Someone can claim to be someone he's not.
Confidentiality - a hacker can into an e-commerce site and gain access to credit card or other information.
Availability - a hacker can disrupt service.
3: Verifiable subscriptions for service.
4: I threatens the integrity of the site, they can redirect customers to steal info.
5: Limit access to important information, spy on your employees.
6: Risk assessment, Security policy, Implementation plan, Security organization, Access controls.
7: A group of hackers that are sometimes used by corporate security departments to test their own security measures.
8: They compete for business with each other and therefore ease of use and speed is improved to make a better choice for customers.

Ch 4

1: Organizational Capabilities, Hardware Architecture, Software, Telecommunications, Site Design, Human Resources.
2: A methodology for understanding the business objectives of any system and designing an appropriate solution. System analysis/planning, Systems design, Building the system, Testing, Implementation.
3: System design specification, Logical design, Physical design.
4: Better speed and ease of use for the customer.
5: Vertical scaling is increasing the processing power of individual components and Horizontal scaling is using multiple computers to share the workload and increase the footprint of the installation.
6: Functionality, Informational, Ease of use, Redundant navigation, Ease of purchase, Multi-browser functionality, Simple graphics, Legible text.
7: Common Gateway Interface, Active Server Pages, Java.
8: Privacy policies and Accessibility rules.

chapter 3

1. Because of cloud computing, no it won't ever get full.
2. Intranet is for a single organization to use for purposes of communications and info processing (military), Exteranet is when firms permit outsiders to access their internal networks (midlands tech)
The Internet as a whole is a network of Intranets and Extranets that provides service to users much like a telephone system makes voice and data services available to the public.
3. The internet is governed by no one, policing and monitering is difficult. The net does run over public and private telecom facilities that are themselves governed by laws though.
4. They display web pages, have e-mail, and news groups. Now they can make suggestions to other sites based on your previous searches and are customizable.
5. E-mail - a series of protocols to enable messages containing text, images, sound, and video clips to be transferred from one user to another
Instant Messaging - displays words typed on a computer almost untantaneously.
Search Engines - identifies Web pages that appear to math keywords typed by the user.
Intelligent Agent - software program that gathers and filters info on a specific topic and then provides a list of results for the user.
Online Forums - allows users to communucate with each other (not in real time)
Online Chat - enables users to communicate via computer in real time.
6. The next generation is mobile commerce, it has already begun with the advent of the iphone and blackberry devices. Now the Android phone is out and they are all capable of combining any and all of the powers of a pc in a small hand held device.

chapter 2

1.The eight key components of an effective business model are: value proposition, revenue model, market opportunity, competitive environment, competitive advantage, market strategy, organizational development, and management team.
2. Advertising revenue model - provides a forum for advertisements and receives fees from advertisers
Subscription revenue model - offers its users content or services and charges a subscription fee
Transaction fee revenue model - receives a fee for enabling or executing a transaction
Sales revenue model - derives revenue by selling goods, information, or services
Affiliate revenue model - steers business to an affiliate and receives a referral fee or percentage of the revenue from any resulting sales
3.Less competition.
4. Horizontal - Hughes net
    Vertical - Bing
5. Walmart has a physical location where as drugstore.com does not. The advantage that Walmart has is money and brand recognition (they are everywhere and everyone knows who they are) drugstore.com can service all of the disinfranchised customers that don't care for Walmart for whatever reason, they also may carry some specialty drugs that Walmart or other big chains do not.

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