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Question :
(a) Distinguish between authorization and authentication.
(b) SSO (Single Sign On) implies a user logs in once and can access resources for a defined period of time without having to provide username and password again. Describe how Kerberos provides Single Sign On.
(c) What type of cipher relies upon changing the location of characters within a message to achieve confidentiality?
(d) Give two examples of modern block cipher other than DES.
(e) SNMP is a protocol for managing networks. For each message, a secure digest is formed from a shared secret and the message. What security functions does this digest provide?
(f) Provide example of a digital certificate format that is commonly used.
What do you understand by the DNS? Explain the usage of the resource rec or ds. Domain Name System is described below: The Domain Name Service (DNS) is the hierarchi
Q1 (15 marks, 5 marks each part): This question has three parts: In a short paragraph (200-300 words) explain the fundamentals of Packet Switching and how it works. In a short pa
ERROR REPORTING MECHANISM (ICMP) INTRODUCTION: IP gives best-effort delivery. Delivery causes can be ignored; datagrams may be 'dropped on the ground'. Internet Control Me
algorithm on simple intrest
Question 1 a) Explain how CSMA/CD works. b) Describe the term "exponential back-off". c) Describe the differences between "circuit switching" and "packet switching". d) Th
(a) Cost allocation mechanisms are important when it comes to establishing other aspects of inter-firm compensations and how these are transferred to the users. There are two pri
(a) Explain the importance of the Euler Totient function in Cryptography. Calculate Euler Totient function value, φ(1280). (b) Explain the role of the Authentication Server (
QUESTION (a) Consider the following authentication options A. Using password B. Using pin and fingerprint Which option A or B provides stronger security and why? (b
Question: Network diagrams combine with a set of systematic analysis procedures, serve to remedy the shortcomings of the Gantt chart. Explain the following terms used in the ne
Q. Explain the random key distribution? The triple key management mechanisms ensure a better and complete security solution using the random key distribution mechanism. In this
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