Reference no: EM13999576
Q1. ______ cable is used in modern computer and telephone networks.
a. Coaxial
b. Twisted Pair
c. Braided
d. Insulated
Q2. Telecommunications is communications over a:
a. Distance
b. Phone Line
c. Fiber Optic Cable
Q3. Only a third of all Americans have broadband service at home. Among telecommuters, the proportion is 87 percent.
a. true
b. false
Q4. If telecommuters need data from the office, they can connect to their office intranet using ____ and retrieve the required information.
a. IRC software
b. Usenet software
c. NNTP software
d. VPN software
Q5. Bluetooth is considered a small area network technology, because it typically supports a network used by a small group of people.
a. true
b. false
Q6. It is likely that many rural areas will be offered BPL in the near future.
a. true
b. false
Q7. Bluetooth is considered a personal area network technology, because it typically supports a network used by only one person.
a. true
b. false
Q8. ____ ensures that the packets arrive accurately and in the proper order, while IP ensures delivery of packets from node to node in the most efficient manner.
a. 802.15 Bluetooth
b. CDMA
c. CSMA/CD
d. TCP
Q9. ____ can be conducted free of charge by using the service of a company such as Skype.
a. Dial-up communication
b. modem-to-modem calls
c. PC-to-PC calls
d. VPN communication
Q10. Upon building the data warehouse, the builders ____ the data for users, so the users know what they can find and analyze in the data warehouse.
a. Document
b. Restore
c. Archive
d. Create
Q11. Usually, the same software that is used to construct and populate the database, that is, the DBMS, is also used to present ____.
a. choices
b. entities
c. options
d. queries
Q12. Many business databases consist of multiple tables with ____ among them.
a. Relationships
b. Arrows
c. Objects
d. Constraints
Q13. It is a good practice to create ____ periodically, so that decision makers have a clear picture of what data is available for reports
a. data diagrams
b. data models
c. object models
d. object charts
Q14. To use an online database, a(n) ____ must be designed to work with the Web. a. interface b. menu c. option d. table
Q15. In the ____ phase, the builders compare the data in the data warehouses with the original data to ascertain completeness.
a. extraction
b. injection
c. loading
d. transformation
Q16. The inclusion of foreign keys might cause considerable data redundancy. This complexity has not diminished the popularity of relational databases, however.
a. true
b. false
Q17. Letting shoppers and readers select the type of ____ content they want is welcome, but sites should respect privacy by letting customers opt in rather than opt out.
a. e-mail
b. banner
c. page
d. Web
Q18. Users should suspect every email message that asks you to update your personal information online.
a. true
b. false
Q19. Business on the Web has changed very little from its initial modality.
a. true
b. false
Q20. Choices you make when selecting menu items, clicking buttons, and moving from one page to another are recorded. Such activities are often called cookie investigation.
a. true
b. false
Q21. In addition to impressions, rating companies measure other metrics. One is ____.
a. relative visitor pages
b. relative visitors per day
c. unique visitor clients
d. unique visitors per month
Q22. Except when it comes from a well-known company, users should suspect any email message that asks them to enter personal information online.
a. true
b. false
Q23. Companies discourage their suppliers from joining their extranets.
a. true
b. false
Q24. The lines between commerce and e-commerce are still very well demarcated.
a. true
b. false
Q25. Multinational corporations might have unified ____ throughout their organizations, but they still have to abide by the laws of the countries in which each unit operates.
a. campaigns
b. manuals
c. policies
d. salaries
Q26. Americans use their credit cards in online transactions at the same frequency as users in other countries, such as the French or Japanese.
a. true
b. false
Q27. International ISs, especially those using the Web, often incorporate graphics to convey technical or business information, and those applications, as well as interactive software, require increasingly fast (____) communication lines.
a. broadband
b. digital
c. infrared
d. short wave
Q28. The Web offers opportunities not only to increase revenue but also to save on costs.
a. true
b. false
Q29. Decisions become easier when more than one alternative seems reasonable and when the number of alternatives is great.
a. true
b. false
Q30. In architecture, a tabletop representation of a building or a city block is a ____ of the full-sized structure.
a. card
b. data sheet
c. model
d. synopsis
Q31. Managers either use universal models, such as certain ____ models, or design their own models to analyze data
a. Statistical
b. Organizational
c. Occupational
d. Referential
Q32. Many DSSs are now closely intertwined with other organizational systems, including data warehouses, data marts, and ERP systems, from which they draw relevant data.
a. true
b. false
Q33. A(n) ____ can help delivery managers looking for the shortest distance a truck can travel to deliver ordered goods at the lowest cost.
a. accounting system
b. CRM system
c. inventory control system
d. GIS
Q34. ____ are used to predict output on the basis of different input or different conditions or to estimate what combination of conditions and input might lead to a desired output.
a. Cards
b. Forecasts
c. Models
d. Plans
Q35. OLAP applications are typically slower but more sophisticated than data-mining tools.
a. true
b. false
Q36. The knowledge that is maintained in information systems is typically of the type that is accumulated through experience.
a. true
b. false
Q37. Despite an increasing number of transactions executed through the Web, managers cannot easily use data that are already in electronic form to analyze and strategize.
a. true
b. false
Q38. Knowing how to use BI tools will help you to independently produce highly useful information from ____ and other large data sources.
a. hard drives
b. data warehouses
c. non-relational databases
d. warehouses
Q39. Knowledge management is the combination of activities involved in gathering, organizing, sharing, analyzing, and disseminating knowledge to improve an organization's performance.
a. true
b. false
Q40. Managers in some companies now track information about their products from the purchasing of raw materials to the receipt of payment not only for operations but so they can learn more about their clients and their own business.
a. true
b. false