Mobile Computing and Commerce and Pervasive Computing
Multiple Choice Questions (Circle the correct answer)
1) M-commerce transactions and activities require _____________ and _____________.
a. wired networks; access points
b. cell phones; portable computers
c. hardware and software infrastructures; infrastructure support
d. smartphones; switches
2) Components of a wireless infrastructure that support delivery of services over a wireless connection are ____________.
a. mobile communications server switches
b. GPS locators
c. smartphones
d. Web servers and microbrowsers
3) Characteristics of mobile devices that need to be considered when designing mobile computing systems include all of the following except:
a. small screens.
b. reduced memory.
c. restricted input capabilities.
d. broad bandwidth.
4) Rick sends a message from a delayed flight to his friend on her cell phone that he will be arriving late. The service that allows the sending and receiving of such short text messages on mobile phones is called _____________.
a. LOL
b. MSG
c. SMS
d. TMG
5) A ____________ is suitable for mobile users who need to make very short-range device-to-device wireless connections within a small space, such as a single room, and most commonly with Bluetooth.
a. personal area network
b. local area network
c. wireless area network
d. Wi-Fi area network
6) WiMax and 3G wireless mobile technologies could offer telemedicine application opportunities that include all of the following except:
a. Prescriptions can be transferred electronically to the appropriate pharmacy reducing errors.
b. Wearable heart monitors linked to a cell phone can automatically contact doctors or family members at the first sign of health problems.
c. There can be real-time consultation between a patient in one location and a medical specialist in another.
d. There is a reduced threat of malpractice suits because there is no hands-on interaction between the remote physician and the patient.
7) Mobile POS (point-of-sale) payments are also known as ________ or contactless payments.
a. mobility
b. remote
c. proximity
d. distance
8) The major enterprise mobile applications are all of the following except:
a. e-mail and cell phone contacts.
b. sales force automation.
c. field force automation.
d. research and development.
9) All of the following are security-related issues of m-commerce except:
a. post-transaction security issues of auditing and nonrepudiation are less difficult because cell phones have the capability to store the digital equivalent of a receipt.
b. the basic security goals of confidentiality, authentication, authorization and integrity are just as important for m-commerce as they are for e-commerce.
c. as the capabilities of cell phones and PDAs increase and converge, the threat of attack from malicious code increases.
d. an appropriate level of security must be maintained on each network that traffic flows through, in spite of the fact that interoperability among the various networks is difficult.
10) In order to protect the privacy of individuals, privacy protection defenses must be __________.
a. designed into RFID tags, nodes, and networks
b. addressed in a post hoc fashion
c. addressed in an ad hoc fashion
d. the responsibility of government agencies
Critical Analysis / Case Study Problems
The Critical Analysis questions are designed to help you gain a deeper understanding of the subject matter, develop an increased ability to apply what you have learned and integrate this knowledge into a greater understanding and appreciation for your field of study. Completion of the following questions will help you outline your answers and organize your thoughts within an appropriate framework. These practice questions will not be graded, but you should apply the same analytical skills and writing proficiencies that you will need for the unit essays. We suggest writing your answers on another piece of paper and comparing your results to the suggested answers at the end of this chapter to help you identify any areas you need to review.
1. Evaluate the role that usability plays in the adoption of m-commerce.
2. Examine proximity-based wireless payments. How have they been used in the transportation arena?
3. How are GPS and GIS related?