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Question:
(a) Describe fully with example the two access control methods available to implement database security.
(b) Discuss why database statistics (meta data) provide essential information for query optimization. Give four examples of typical statistics which are maintained by a database system.
(c) Discuss why query optimization is important in database systems in terms of its role in enhancing the system performance. Your answer should include descriptions of various stages involved in the optimization process.
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) Briefly explain the following security goals provided by cryptography: confidentiality, authentication, integrity and non-repudiation. (b) State Kerckhoff's Princip
In this assignment, you are required to emulate the operation of a link layer and network layer protocols in a small computer network. Your program should behave like a single node
Question 1: Why do we need a Law of Contract? a Explanation Reasons to have a law of contract b Explain the close procurement project process - Explanation (causes,
TOKEN RING Many LAN methods that are ring topology need token passing for synchronized access to the ring. The ring itself is acts as a single shared communication phase. Both
explaain it?
Question (a) Inspect the following ifconfig output of an IPv6 interface: i. What is the hidden Hardware Address of the interface on Line #1? ii. What is the hidden subn
I have an assignment of Computer Security to submit. Will you guys help me making my assignment???
To master the complexity one must apply the given points. CONCENTRATE IN UNDERSTANDING THE CONCEPTS: Instead of details of wires used to connect computers to a specif
every time i connect to WIFI the UC goes directly to 100% then i doesn''t want to come down. what shall i do ?
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