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IS 303 final exam
| Question | Answer |
|---|---|
| World Wide Web: | provides access to information on the internet |
| Hypertext Transport Protocol (HTTP): | It’s the foundation of data communication on the World Wide Web |
| Web browsers: | allows users to access the WWW |
| Ecommerce: | Buying and selling of goods and services over the Internet |
| Ebusiness | : Includes ecommerce along with all activities related to internal and external business operations |
| what are some advantages of Ebusiness | Personalization Mass Customization |
| Personalization: | Personalized appeal based on past behavior |
| Mass Customization: | Tailoring offerings to a specific customer |
| what are the models of Ebusiness | Business-to-business (B2B) Business-to-consumer (B2C) Consumer-to-business (C2B) Consumer-to-consumer (C2C) |
| Business-to-business (B2B) | Applies to businesses buying from and selling to each other over the Internet. |
| Business-to-consumer (B2C) | Applies to any business that sells its products or services to consumers over the Internet. |
| Consumer-to-business (C2B) | Applies to any consumer that sells a product or service to a business over the Internet. |
| Consumer-to-consumer (C2C) | Applies to sites primarily offering goods and services to assist consumers interacting with each other over the Internet. |
| what are some Revenue generating strategies of Ebusiness | Keyword • Search engine • Search engine ranking • Organic search • Paid search |
| Disintermediation: Direct to Consumer (DTC) | Business must add an increment of value, or risk being “cut out” |
| what are the phases of Systems Development Life Cycle (SDLC) | Planning Analysis Design Development Testing Implementation Maintenance |
| Waterfall Methodology | A series of consecutive steps Only about 10% success rate Biggest problem: assumes users can specify all requirements in advance |
| Agile Methodologies examples | RAD XP RUP |
| RAD | Users, prototypes |
| XP | Breaks down into phases/sprints |
| RUP | Gates |
| Triple constraint | Scope: Work Breakdown Structure (WBS) Time: Sequencing activities Cost: People and costs added |
| Infrastructure Hardware: | Consists of the physical devices associated with a computer system |
| Infrastructure Software: | The set of instructions the hardware executes to carry out specific tasks |
| Infrastructure Network: | A communications system created by linking two or more devices and establishing a standard methodology in which they can communicate |
| Infrastructure Client: | A computer designed to request information from a server. |
| Infrastructure Server: | A computer dedicated to providing information in response to requests. |
| ○ Backup: | An exact copy of a system’s information recovery plan: The ability to get a system up and running in the event of a system crash or failure |
| ▪ Hot site: | “A separate and fully equipped facility where the company can move immediately after a disaster and resume business” |
| ▪ Cold site | :“A separate facility that does not have any computer equipment, but is a place where employees can move after a disaster” |
| ▪ Warm site: | A separate facility with computer equipment that requires installation and configuration” |
| Disaster recovery plan: | A detailed process for recovering information or an IT system in the event of a catastrophic disaster such as a fire or flood” |
| Business continuity plan (BCP): | “A plan for how an organization will recover and restore partially or completely interrupted critical function(s) within a predetermined time after a disaster or extended disruption” |
| Incident management: | The process responsible for managing how incidents are identified and corrected” |
| ○ Accessibility: | Refers to the varying levels that define what a user can access, view, or perform when operating a system” |
| ○ Availability: | “Time frames when the system is operational” |
| Maintainability | How quickly a system can transform to support environmental changes” |
| Portability | “The ability of an application to operate on different devices or software platforms” |
| Reliability | “Ensures a system is functioning correctly and providing accurate information” |
| Scalability | “How well a system can scale up, or adapt to the increased demands of growth” |
| Grid computing | “A collection of computers, often geographically dispersed, that are coordinated to solve a common problem” |
| Infrastructure as a Service (IaaS) | A service that delivers hardware networking capabilities, including the use of servers, networking, and storage over the cloud using a pay-per-use revenue model. |
| Dynamic scaling | Means that the MIS infrastructure can be automatically scaled up or down based on needed requirements. |
| Software as a Service (SaaS) | Delivers applications over the cloud using a pay-per-use revenue model. |
| Platform as a Service (PaaS) | Supports the deployment of entire systems including hardware, networking, and applications using a pay-per-use revenue model. |
| what are the differnet types of networks | LAN MAN WAN |
| LAN- | “Connects a group of computers in close proximity, such as in an office building, school, or home.” |
| ○ MAN- | A large computer network usually spanning a city” |
| ○ WAN- | Spans a large geographic area such as a state, province, or country” |
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