TASK
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Overview

This assessment consists of two questions. The first one looks into networking protocol, concepts and standards. The second question looks at SDLC and ITSM.

Question 1: Networking protocols, concepts, and standards [10 marks]

(a) Show the calculations for finding the estimated percentages of overhead for TCP/IP protocol for IPv4 and IPv6 versions.[4 marks]

(b) Compare and contrast the IPv4 and the IPv6 header fields. Do they have any fields in common? [4 marks]

(c) Why is the length of a TCP segment limited to 65,536 bytes? [2 marks]

Question 2: SDLC and ITSM [20 marks]

(a) What new ITSM trends and technologies are surfacing? [4 marks]

(b) Discuss the roles and responsibilities of Incident Manager and Change Manager in ITSM. [6 marks]

(c) How does the Spiral model overcome the limitation of the Waterfall cycle model and the V-shaped cycle model? [5 marks]

(d) Compare and contrast the Waterfall and V-Model of SDLC. Present two cases where each of the models will be best suited. [5 marks]

RATIONALE
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SUBJECT LEARNING OUTCOMES

This assessment task will assess the following learning outcome/s:

• be able to discuss and analyse fundamental networking concepts, protocols and standards.
• be able to discuss the principle lifecycle phases of an information system, from requirements and acquisition through to operation and maintenance.
• be able to compare and contrast the role of IT service management frameworks, policies and compliance issues.