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(a) Show four Network Security attacks. How do they compromise security?
(b) In what ways do the following devices or services contribute to security:
(i) Firewall (ii) Intrusion Detection System (IDS) (iii) Secure Socket Layer (SSL)
(c) What are the objectives of access control? Give four examples of such systems.
(d) An attacker has the intention of disrupting secure communications by inserting bogus packets in the channel. Discuss how such an attack would succeed in systems protected by IP Sec and SSL.
BUSINESS NEEDS Information security performs four main functions for an organization. 1. Protects the ability of organization to function. 2. Enables safe operation of applicat
a) Define the term "Enterprise Network". b) Briefly discuss the similarity and differences between a switch and a router. c) A company XYZ has been renting the 1 st Floor of
The objective of this example is to demonstrate the steps required for a successful attack against a vulnerable Windows XP SP2 system. It will show: a) how Nessus can be used to di
how can you enter the ASVAB practice test on line?
Consider a computer system with three users: Alice, Bob and Cindy. Alice owns the file alicerc, and Bob and Cindy can read it. Cindy can read and write the file bobrc, which Bob ow
the meaning Digital Signatures
LOCALITY OF REFERENCE PRINCIPLE: Principle of "Locality of Reference" use to predict computer interaction patterns. There are two patterns shown as follows: a) Spatial loca
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DIRECT INDEXING It is less usually known method. It is possible only is cases where protocols address are given from a compact range. In the diagram below an example of direct
Encode the following plaintext, using the Caesar cipher: LORD OF THE RINGS b) The following ciphertext jw njbh lxmn cx kanjt has been encoded usi
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