FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -1. Which of the following service provider provides the least amount of built in security? Explanation: You get the least amount of built in security with an Infrastructure as a Service provider, and the most with a Software as a Service provider.

Detailed explanation-2: -Explanation: IaaS has the least levels of integrated functionality and the lowest levels of integrated security, and SaaS has the most. 3. Which of the following functional cloud computing hardware/software stack is the Cloud Reference Model?

Detailed explanation-3: -IaaS customers must secure their own data, operating systems, and software stacks that run their applications. The PaaS model places more responsibility in the hands of the platform vendors, but it is the customer’s responsibility to secure their applications and associated data.

Detailed explanation-4: -Answer: A) EC2 is the IaaS service provider.

Detailed explanation-5: -The SaaS cloud service model is the most affordable, while IaaS is the most expensive. See how IaaS, PaaS and SaaS compare. Generally, SaaS solutions high level of abstraction is better suited for companies and industries where IT infrastructure is less critical.