When talking about the physical elements of the Internet, the term redundancy refers to:
A) transmitting multiple copies of a single packet to safeguard against data loss.
B) the use of tiered high-speed switching computers to connect the backbone to regional and local networks.
C) delays in messages caused by the uneven flow of information through the network.
D) multiple duplicate devices and paths in a network built so that data can be rerouted if a breakdown occurs.
D
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Answer the following statements true (T) or false (F)
1.Feedback is information provided by the receiver that verifies that a message was transmitted successfully. 2.Paraphrasing is the process of restating a message back to the original sender in the receiver’s own words. 3.Job satisfaction questionnaires should always be anonymous to get employees to tell the truth. 4.The National Labor Relations Act of 1935 (NLRA—Wagner Act) was passed to significantly limit the potential for railroad strikes to affect interstate commerce; it was later expanded to include airlines. 5.The Labor Management Relations Act of 1947 (LMRA—Taft-Hartley Act) was passed to offset some of the imbalance of power given to labor by previous laws and included a list of unfair practices by unions.
Political candidates are notorious for appealing to the different beliefs and values of groups of potential voters in different areas of the country. These politicians are appealing to differences in
A. regional culture. B. country culture. C. demographics. D. generational cohorts. E. popular culture.
A population of size 1,000 has a proportion of 0.5. Therefore, the proportion and the standard deviation of the sample proportion for samples of size 100 are
A. 500 and 0.047. B. 500 and 0.050. C. 0.5 and 0.047. D. 0.5 and 0.050.
Which company was used in the textbook as an example of a mercenary culture?
a. 3M b. Southwest Airlines c. Enron d. Pioneering Health