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Question:
(a) State whether the following statements are TRUE or FALSE. Justify your answer.
i. A good site security policy will require that users use computer generated password that are changed monthly.
ii. Mandatory Access Control policy allows the current owner of a data file to specify who has access.
(b) How is dictionary attacks made difficult against Unix systems? Which file is instrumental in preventing dictionary attack altogether?
(c) Which database recovery techniques provide an exact, up-to-date copy of the database maintained at an alternative location?
(d) What combination of backup strategies provides the fastest backup creation time?
(e) Given that a file in UNIX has the 9 mode bits set as follow: 111 110 100, describe the access rights encoded.
(f) What is the major difference between a virus and a worm?
What do you understand by the term encryption? Also describe the public key cryptography Encryption: Encryption is a method of converting plain text into cipher text. Using thi
Who are the individuals who cause these security problems? Many unauthorized people who cause network security problems for obtaining information about the other users and causi
Network diagram for a mediacal care
Evaluations, Assessment, and Maintenance of Risk Controls When the control strategy has been implemented, it should be monitored and measured on an ongoing basis to determine ef
Question: The Wired Equivalent Privacy (WEP) standard was created in order to give wireless networks safety and security features similar to that of wired networks. (a) L
TRAP AND TRACE SYSTEMS Trap and Trace Systems use techniques to detect an intrusion and trace it back to its source. Trap comprises of honey pot or padded cell and alarm. The dr
a) Calculate the CRC for the frame below: Frame: 1101011011 Generator: 10011 Message after appending 4 zero bits: 11010110110000 b) OSI refers to a system in which any
what is the guaranteed quality of this coursework? how many days it take for 10-12 pages? how much will be? thanks
(a) Figure is a representation of a TCP header. For each of the fields lettered from A to G, state the name of the field and provide a brief explanation for the function of each fi
briefly expslain type of e-commerce
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