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Question:
(a) Give 2 benefits of using IPsec.
(b) IPSec uses two protocol for security: Authentication Header protocol (AH) and the Encapsulated Security Header Protocol (ESP). Why is AH required with ESP even though ESP provides authentication?
(c) Describe how the Encapsulated Security Header protocol (ESP) can be used to provide traffic analysis confidentiality using IPSec.
(d) What is a Security Association (SA) and what does it define? Why are there two SAs per one connection? How can two communicating peers agree on what kind of SAs they use?
(e) List two types of firewall that can be used.
(f) Describe the following threats to firewalls: (i) Denial of service, (ii) IP Spoofing and
What countermeasures can be adopted against these threats.
(g) What is a honey pot and why is it commonly used?
Discuss the risks of having a single root user
Problem 1 Solve the following Caesar cipher by showing your working: EM KIUM EM AIE EM KWVYCMZML Problem 2 Compare and contrast between block and stream ciphers, listin
DATAGRAM REASSEMBLY Recreation of original datagram is known as reassembly. Ultimate receiver acts reassembly as given below.Fragments can reach out of order. Header bit check
how much would you charge for minimum 20 pages
Risk Control Strategies Once the ranked vulnerability risk worksheet has created, they should choose one of following 4 strategies to control each risk: • Apply safeguards wh
Write down the short notes on VTR. Communication between different types of the equipment and software is made possible by making use of the networks. Full-screen text editor is s
types of firewall and backup
Problem (a) IT Service Support within the ITIL framework is divided in a number of processes. Compare and contrast the following processes: i. Incident Management and Problem M
the advantages and disadvantages of area subdivision and where it is applicable
RING topology all computers are connected in loop. A ring topology is a network topology in which every node connects to exactly two other devices, forming a single continuous pa
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