Multiple choice Questions and Answers on PaaS of Cloud Computing

1. ______ offering provides the tools and development environment to deploy applications on another vendor’s application.

a) PaaS
b) IaaS
c) CaaS
d) All of the mentioned

Answer: b

Explanation: PaaS tool is a fully integrated development environment.

2. Point out the correct statement :

a) Platforms cannot be based on specific types of development languages, application frameworks, or other constructs
b) PaaS systems offer a way to create user interfaces
c) In a CaaS model, customers may interact with the software to enter and retrieve data
d) All of the mentioned

Answer: b

Explanation: PaaS systems support standards such as HTML, JavaScript, or other rich media technologies.

3. Which of the following is associated with considerable vendor lock-in ?

a) PaaS
b) IaaS
c) CaaS
d) SaaS

Answer: a

Explanation: The difficulty with PaaS is that it locks the developer (and the customer) into a solution that is dependent upon the platform vendor.

4. _________ serves as a PaaS vendor within Google App Engine system.

a) Google
b) Amazon
c) Microsoft
d) All of the mentioned

Answer: a

Explanation: Google offers many of its Web service applications to customers as part of this service model.

5. Point out the wrong statement :

a) The customer takes no responsibility for maintaining the hardware, the software, or the development of the applications
b) The vendor is responsible for all the operational aspects of the service
c) Google’s App Engine platform is IaaS offering
d) None of the mentioned

Answer: c

Explanation: The customer is responsible only for his interaction with the platform.

6. Which of the following can be considered PaaS offering ?

a) Google Maps
b) Gmail
c) Google Earth
d) All of the mentioned

Answer: a

Explanation: The vendor of the PaaS solution is in most cases the developer, who is offering a complete solution to the customer.

7. __________ is the most refined and restrictive service model.

a) IaaS
b) CaaS
c) PaaS
d) All of the mentioned

Answer: c

Explanation: When the service requires the client to use a complete hardware/software/application stack, it is using the most refined and restrictive service model.

8. _______ provides virtual machines, virtual storage, virtual infrastructure, and other hardware assets.

a) IaaS
b) SaaS
c) PaaS
d) All of the mentioned

Answer: a

Explanation: The IaaS service provider manages all the infrastructure, while the client is responsible for all other aspects of the deployment.

9. Amazon Web Services offers a classic Service Oriented Architecture (SOA) approach to :

a) IaaS
b) SaaS
c) PaaS
d) All of the mentioned

Answer: c

Explanation: In AWS, the CCS is the AWS Management Console.

10. Rackspace Cloud Service is an example of :

a) IaaS
b) SaaS
c) PaaS
d) All of the mentioned

Answer: a

Explanation: Unlike other cloud providers, Rackspace only offers managed solutions.