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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?
Students were asked about search engine they used.90 of them said they used google chrome,70 used Internet Explorer,40 used Mozilla Firefox,30 used Google Chrome and Internet Explo
Transposition technique
INTRODUCTION TO RISK MANAGEMENT Risk management is the procedure of identifying and controlling risks facing an organization. Risk management is the discipline which is employed
COMPONENTS OF AN INFORMATION SYSTEM The components of an information system are software, data, hardware, people, procedures and Networks. These 6 components are critical to ena
What is information Information comprises the meanings and interpretations which people place upon the facts, or data. The value of information springs from the ways it can be i
What is Authentication/confirmation? How it is different from the Authorization/approval? Explain in brief different authentication protocols along with their merits and demerit
(a) Using the extended Euclidean algorithm, find the multiplicative inverse of 504 mod 67. (b) Decrypt the following ciphertext, which has been encrypted using Caesar cipher:
Network diagram for a mediacal care
how to form the trojan integrated cirucit and what are the tools are used to simulate the ciruit to our system and how to pass it as input to the clustering algorithm to get the ou
SUCCESS OF IP: IP has accommodated dramatic modification since real design. But basic rules are still appropriate today. There are many new kinds of hardware. SCALING:
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