a Read the Scenario. Infosolutions L.L.C organisation has a webserver valued at $5000.. Each time the web server has a hard drive failure results in a loss of 3 % of the asset value and each time Network failure occurs results in a loss of business loss 0.5 % of the asset value. The likelihood of these failures are 6 times in a year. Being an Information System Auditor, you are asked to do a Quantitative Risk Assessment. Suggest any two risk mitigation strategies based on your assessment. (4 Marks) b Based on your knowledge on DNS Server Administration Develop a checklist to perform manual fulnerability assessment on DNS security. (3 Marks) c Infosolutions company is using a network ID 162.15.0.0. Company has a new requirement of 250 subnets and in each subnet a minimum of 250 host addresses. Perform subnetting to answer the following. (3 Marks) Subnet mask and / value Maximum number of subnets Maximum number of host per network Network and Broadcast addresses for the second subnet