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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?
Question: (a) Explain the following security services: Confidentiality, Availability. (b) Which attack will be used to bypass even the best physical and logical security m
INTRODUCTION TO PLANNING FOR SECURITY The creation of an information security program begins with creation and review of organization’s information security policies, standards,
Question : (a) There are two approaches for providing confidentiality for packets in a network using symmetric encryption: End-to-End Encryption and Link Encryption. State wh
Convert (111011)2 to ( )10
For this assignment you will create a program called MMWordFix (Multi-Mode WordFix). This program prompts the user to select one of three word filters (uppercase, lowercase, encryp
LEGAL, ETHICAL AND PROFESSIONAL ISSUES To minimize liabilities and reduce risks, information security practitioner should: • to understand current legal environment • to s
Why is WEP-based authentication pointless?
Question 1 (a) Explain briefly the following terms as used in network security: (i) Denial of service (DoS) attack (ii) Birthday attack (iii) DeMilitarized Zone
Question a) From the capture below: Give the datagram source IP address, upper layer protocol, Total length in decimal and header checksum in hexadecimal; the segment source po
Consider the details of the X.509 certificate shown below. a. Identify the key elements in this certificate, including the owner''s name and public key, its validity dates, the nam
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