Part 1
Examine Network Security principles, protocols and standards.

Question 1.1. Discuss the importance of Network Security in present socio-economic world.

Question 1.2. Describe devices and their characteristics that are used to enhance the security of a Network.

Question 1.3. DifferentiateSymmetric and Asymmetric Encryption with examples.

Question 1.4. Explain the purpose of a Digital Certificate in secure web access.

Part 2
Design a secure network for a corporate environment.

Question 2.1. Provide a suitable Virtual LAN design for internal network and IP Design for the network. (Public servers should be separated from the Internal Network)

Question 2.2. Explain the Technologies /concepts that are required to accomplish the objectives of the above scenario.

Question 2.3. Determine which security devices and software are needed to design this network and justify your selections.

Question 2.4. Provide a suitable detailed Diagram of above Network Design including WAN connections.

Part 3
Configure Network Security measures for the corporate environment.

Question 3.1. Configure all the network devices to achieve the highest level of security for the network with the requirements given by the scenario. (Provide Network Security configuration scripts/files/screenshots with comments.)

Question 3.2. Explain how QoS can be integrated in to Network security configurations.

Part 4
Undertake the testing of a network using a Test Plan

Question 4.1 Develop test cases and test the above LAN and WAN designs to verify whether the design objectives are met.
(Provide Network Security configuration scripts/files/screenshots with comments.)

Question 4.2 Suggest how you can improve the performance and security of this network in the Future.