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It 101 Gmu

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* Question 1
1 out of 1 points | | | Which of the following was the first highly publicized network security problem?Answer | | | | | Selected Answer: | b. Morris Worm | Correct Answer: | b. Morris Worm | | | | | * Question 2
1 out of 1 points | | | What is the functionality of CERT?Answer | | | | | Selected Answer: | e. All of the above | Correct Answer: | e. All of the above | | | | | * Question 3
1 out of 1 points | | | Bandwidth piracy is considered as a type of attackAnswer | | | | | Selected Answer: | True | Correct Answer: | True | | | | | * Question 4
1 out of 1 points | | | A worm is malicious code embedded within a seemingly legitimate program that only becomes active when the program is executed.Answer | | | | | Selected Answer: | False | Correct Answer: | False | | | | | * Question 5
1 out of 1 points | | | Which of the following is self-propagating and self-replicating?Answer | | | | | Selected Answer: | b. Worm | Correct Answer: | b. Worm | | | | | * Question 6
1 out of 1 points | | | A worm exploits existing vulnerabilities, or security holes in a computer systemAnswer | | | | | Selected Answer: | True | Correct Answer: | True | | | | | * Question 7
1 out of 1 points | | | A denial of service attack floods a targeted computer with so many requests that it cripples functionality.Answer | | | | | Selected Answer: | True | Correct Answer: | True | | | | | * Question 8
1 out of 1 points | | | Which of the following is the most effective method of protecting the privacy of network information?Answer | | | | | Selected Answer: | b. Encryption | Correct Answer: | b. Encryption | | | | | * Question 9
1 out of 1 points | | | Which type of firewall knows to expect traffic transmitted from a certain IP address or port, and can allow this traffic to go through?Answer | | | | | Selected Answer: | a. Stateful packet filtering firewall | Correct Answer: | a. Stateful packet filtering firewall | | | | | * Question 10
1 out of 1 points | | | Which of the following may be used to ensure that a document was not tampered with during transit?Answer | | | | | Selected Answer: | c. Digital signatures | Correct Answer: | c. Digital signatures | | | | | * Question 11
0 out of 1 points | | | Transmission facilities that connect switching centers such as two tandem offices to each other are called:Answer | | | | | Selected Answer: | a. Local loops | Correct Answer: | c. Trunks | | | | | * Question 12
1 out of 1 points | | | What year was the telephone invented?Answer | | | | | Selected Answer: | b. 1876 | Correct Answer: | b. 1876 | | | | | * Question 13
1 out of 1 points | | | Which of the following regulatory milestone in the telephone industry corresponds to the antitrust settlement agreement between the Department of Justice and AT&T?Answer | | | | | Selected Answer: | b. The Modified Final Judgment (MFJ) | Correct Answer: | b. The Modified Final Judgment (MFJ) | | | | | * Question 14
1 out of 1 points | | | Which of the following regulatory milestone resulted in the formation of LATAs?Answer | | | | | Selected Answer: | b. The Modified Final Judgment (MFJ) | Correct Answer: | b. The Modified Final Judgment (MFJ) | | | | | * Question 15
1 out of 1 points | | | The demarcation point is where the customer s own telephone line ends and the local loop of the carrier begins.Answer | | | | | Selected Answer: | True | Correct Answer: | True | | | | | * Question 16
1 out of 1 points | | | Which of the following is an industry term that is used to describe the effect that occurs if the timing between pulses is not precisely reproduced, resulting in a distorted signal?Answer | | | | | Selected Answer: | a. Jitter | Correct Answer: | a. Jitter | | | | | * Question 17
1 out of 1 points | | | Which of the following is an alternative to a PBX, but is owned and operated by the telephone company?Answer | | | | | Selected Answer: | e. Centrex | Correct Answer: | e. Centrex | | | | | * Question 18
1 out of 1 points | | | Analog voice signals are sampled at a rate of 10,000 Hz, or 10,000 samples per second within the PSTN.Answer | | | | | Selected Answer: | False | Correct Answer: | False | | | | | * Question 19
0 out of 1 points | | | Which multiplexing technique assigns a time slot to each channel based on priority or need?Answer | | | | | Selected Answer: | d. TDM | Correct Answer: | a. Statistical Multiplexing | | | | | * Question 20
1 out of 1 points | | | FDM enables the simultaneous transmission of multiple signals over a single medium by assigning a different frequency to each channel.Answer | | | | | Selected Answer: | True | Correct Answer: | True | | | | |

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