Cloud Computing — DU B. Voc – Software Development Previous Year Question Papers

Cloud Computing B.Voc Software Development 1 (a) Explain characteristics of cloud computing with examples. (b) Explain cloud deployment models with suitable examples. (c) What are SLA levels? Explain customer-based SLA. (e) Explain disaster recovery and failover mechanism. (t) Write short notes on: (5) (ii) Windows Azure (a) Explain evolution of cloud computing and major computing trends. (7) (b) Write steps to create an S3 bucket and host a static website in AWS. (8) 3. (a) Explain service models (IaaS, PaaS, SaaS) with architecture. (7) (b) Explain virtualization security and its challenges (8) 4. (a) Explain cloud security threats and mitigation techniques. (7) (b) Explain symmetric and asymmetric encryption in cloud computing. (8) 5. (a) Explain privacy concerns and legal issues in cloud computing. (7) (b) Explain disaster recovery planning and business continuity. (8) 6. (a) Explain Hadoop ecosystem and working of HDFS. (7) (b) Consider the following input data processed using MapReduce: "hadoop spark hadoop mapreduce spark hadoop cloud spark cloud" Based on the above input, answer the following: (8) Generate the Map phase output. in Illustrate the grouping after shuffle phase. in. Compute the Reduce phase output. iv. Identify the word with maximum frequency. 7. (a) A clould system guarantees an availability of99.95% uptime under SLA. Considering a 30-day month, answer the following: i. Calculate the maximum allowable downtime. ii. If the actual downtime recorded is 1 hour, determine whether the SLA is met. (7) GB charged at 2.5 per GB per month, and data transfer of 500 GB charged at o.8 per GB. Based on the above scenario, answer the following: (8) i. Calculate the total monthly EC2 cost. ii. Determine the monthly storage cost. iii. Co!mpute the total data transfer cost. iv. Calculate the overall monthly cloud expenditure.