Exam 10: Network Security
Exam 1: Introduction to Data Communications102 Questions
Exam 2: Application Layer100 Questions
Exam 3: Physical Layer142 Questions
Exam 4: Data Link Layer102 Questions
Exam 5: Network and Transport Layers115 Questions
Exam 6: Wired and Wireless LANs141 Questions
Exam 7: Backbone Networks76 Questions
Exam 8: Wide Area Networks89 Questions
Exam 9: The Internet81 Questions
Exam 10: Network Security122 Questions
Exam 11: Network Design95 Questions
Exam 12: Network Management71 Questions
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A tornado that eliminates a network control center would be an example of a natural __________
(Multiple Choice)
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A(n)___________ is one of the most common examples of redundancy built into a network to help reduce the impact of disruption.
(Multiple Choice)
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A (n)______ is a special type of virus that spreads itself without human intervention.
(Multiple Choice)
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The three basic network access points into most organizational networks are from the Internet,from LANs inside of the organization and ________________.
(Multiple Choice)
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In recent years,management's concern about the adequacy of current control and security mechanisms used in a data communications environment has:
(Multiple Choice)
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Preventive controls mitigate or stop a person from acting or an event from occurring.
(True/False)
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The most common access point used by attackers to gain access to an organization's network is the dial-up access via a modem.
(True/False)
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A __________ is a trusted organization that can vouch for the authenticity of the person or the organization using the authentication.
(Multiple Choice)
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_______________ is an encryption standard that uses a total of 168 bits as the key.
(Multiple Choice)
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Describe how symmetric encryption works,draw a chart of this approach.How does DES differ from 3DES?From RC4?From AES?
(Essay)
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When using a digital signature,the sender encrypts the message with their private key and the recipient decrypts the message with the sender's public key.
(True/False)
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Physical security of an organization's IT resources is not an important element in preventing intrusion to an internal LAN.
(True/False)
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Researchers estimate that only one or two new viruses are developed every week.
(True/False)
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Decryption is the process of converting plaintext into ciphertext.
(True/False)
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