Question: 1. a) How is multi-tenancy configured in Infrastructure as a Service (IaaS) cloud environments, and why is isolation important for security? [5 marks] b)

1. a) How is multi-tenancy configured in Infrastructure as a Service (IaaS) cloud environments, and why is isolation important for security? [5 marks] b) What is a hyperjacking attack, and how does it differ from a virtual machine escape attack? [4 marks] c) What are the security concerns related to PaaS cloud and what is the responsibility of the service providers in terms of security? [5 marks] d) What are some common security mechanisms that PaaS cloud providers should implement? [4 marks]

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