1. Which of the following statements describes multiplexing. (There is more than

ID: 3672486 • Letter: 1

Question

1. Which of the following statements describes multiplexing. (There is more than one correct answer.)

a. Multiplexing only increases capacity on data, not voice lines.

b. Multiplexing increases the amount of traffic a circuit can transmit in a given amount of time by by intermixing traffic from multiple devices simultaneously on the same circuit.

c. Multiplexing improves throughput.

d. Multiplexing increases capacity on mobile as well as fiber optical and copper cabling.

2. Which of the following describe either the definition of compression or the benefits of compression? There is more than one correct answer.

a. Enables traffic from multiple sources to share a single communications channel

b. Is used to decrease latency of data, voice, and video sent in networks.

c. The use of mathematical algorithms to decrease the number of bits sent over networks

d. The use of mathematical algorithms to decrease the number of bits stored on computers

3. Which of the following are required for WAN acceleration? There is more than one correct answer.

a. Use of a proxy at the beginning of each message for error checking

b. Deduplication so deplicate content is not sent

c. Elimination of error checking

d. Multiplexing

e. Improved compression

4. Select all of the following responses about cloud computing that are correct. There is more than one correct answer.

a. Some ways companies use cloud computing is to backup their data, develop software applications, and save money on adding equipment to data centers.

b. Many organizations, particularly small and medium sized ones, use cloud computing because they don't have staff with the expertise to develop and maintain certain applications.

c. Companies that provide cloud computing use sophisticated security technologies. However, it is possible that their data centers where customers' data is kept can be hacked.

d. Some IT directors are reluctant to use cloud computing because they worry that their department will be made smaller if they use cloud computing.

Explanation / Answer

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