1. Use a diagram (produced by the means of using Rationale, Visio or any other relevant software application of your choice) to illustrate current security risks and concerns considered by the NSW government.

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1: Discuss the advantages and disadvantages of star, bus, and mesh physical topologies. Provide real examples of each type. (5 marks)

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Compare and contrast three data encryption standards for WiMAX networks? [6 marks]

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b)What is the purpose of ARP protocol? Explain with the help of a diagram.

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a)Screenshots of the topology for each scenario

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k 1. What does an amplifier do and why is one needed in a radio system? [3 marks]

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1. An evaluation of the new network structure (Phase 1 and 2) for virtualisation suitability, this evaluation must identify which severs could be virtualized?

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a) In modern switched Ethernet networks, it is not unusual for a router to receive more traffic than it is able to forward due to the relative speeds of the Ethernet network

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1.Design reliability investigation for SA communication architecture based on IEC 61850.

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1. Download and install

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ABC Payrolls might consider migrating to an IaaS service provider for their services.

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2. A Computer uses IEEE-754 format to represent floating points.

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1) You are required to configure and test a Web server to provide web hosting services to a client computer

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a) [3 marks] Describe the actions of the student using the web browser.

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1. Alphabetic list of all actions and their frequency by any selected user, e.g. USER-040.

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1. What does an amplifier do and why is one needed in a radio system?

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1. What does an amplifier do and why is one needed in a radio system? [3 marks]

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1. Reject all ssh packets.

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1. What is a protocol data unit (PDU) ? Give PDUs of each layer

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•The command line processing. There could be the wrong number of arguments, or the arguments could be invalid.

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