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WHY USE AN IDS?IDS prevent from problem behaviors by increasing the perceived risk of discovery and punishment. Detect the attacks and other security violations. Detect and at the same time deal with preambles to attacks. Document the existing threat to an organization. Act as quality control for security design and administration, especially of complex and large enterprises and provide useful information about intrusions which take place.The following are reasons for an organization to install IDS1. They serve as straightforward deterrent measures.2. They cover organization when its network fails to protect against known vulnerabilities.3. They help administrators detect the preambles to attacks.4. They serve to document the scope of the threats an organization face5. They help in quality assurance and continuous improvements of the organization
Data units at different layers of the TCP/ IP protocol suite The data unit prepared at the application layer is known a message, at the transport layer the data unit build is
Question 1 a) Provide three advantages of using optical fiber. b) Distinguish between "Direct Sequence Modulation" and "Frequency Hopping" c) Decribe the purpose of using "
ARP MESSAGE FORMAT Although the ARP data packet format is sufficiently general to allow hardware addresses and arbitrary protocol. ARP is almost usually used to bind a 32-bit
state the fundamental principles of 3gpp security
ADDRESS RESOLUTION WITH MESSAGE EXCHANGE An alternative to local calculation is a distributed function. A computer that requires to find an address transmits a message across
QUESTION (a) (i) Describe Phishing attacks. (ii) Distinguish between Phishing and Spear Phishing attacks. (b) Describe two instances where an attacker sniffing on a netwo
The key concepts and frameworks covered in modules 1-4 are particularly relevant for this assignment. Assignment 2 relates to the specific course learning objectives 1, 2 and 3:
Problem (a) Name the various layers of the OSI model. (b) Show, by means of a diagram, how the TCP/IP reference model is different from the OSI-7 reference model? Why is
What is the function of key secrecy and algorithm secrecy in security? Algorithm Secrecy is explained as follows: ‘Algorithm secrecy’ is a method of keeping an algorithm
ARP RESPONSES Let's search out how does a computer know whether an incoming frame have an ARP message. The type field in the frame header defines that the frame contain an ARP
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