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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?
on LAN,where are IP datagrams transported?
Scenario: A network with individual hosts (really, virtual machines) can run HTTP (web) servers that are available to the outside. (Here, available means the ability to read and wr
nstissc secuiryt model
QUESTION 1: a) Differentiate between a routing protocol and a routed protocol. b) Describe any three design goals of Routing protocols. c) Lists some of the features shared
Implementing an effective online authentication scheme in practice faces many challenges. Systems with highly sensitive data often require multifactor authentication. But, requirin
Around the globe the bank controlled Co-ops (Visa, MasterCard, Discover, and American Express) have rolled out millions of smart cards under the EMV (Europay, MasterCard, VISA) sta
Question : (a) Distinguish between authorization and authentication. (b) SSO (Single Sign On) implies a user logs in once and can access resources for a defined period of
#questioAn elliptic curve y^2=x^3+ax+b(mod29) includes points P=(7, 15) and Q=(16, 13) a)Determine the equation of the crve b) Determine all values of x for which there is no point
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INTRODUCTION TO SECURITY AND PERSONNEL When implementing information security, there are several human resource issues that should be addressed. They are • Positioning and n
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