Multiple choice Questions and Answers on Cloud Computing Stack for Freshers

1. A _______ service provider gets the same benefits from a composable system that a user does.

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

Answer: c

Explanation: If you are a PaaS or SaaS service provider and your task is to create the platform or service presented to the developer, reseller, or user, the notion of working with a composable system is still a very powerful one.

2. Point out the correct statement :

a) Cloud architecture can couple software running on virtualized hardware in multiple locations to provide an on-demand service
b) Cloud computing relies on a set of protocols needed to manage interprocess communications
c) Platforms are used to create more complex software
d) All of the mentioned

Answer: d

Explanation: The most commonly used services uses a set of discovery and description protocols based on WSDL.

3. Which of the following is the property of composable component ?

a) stateful
b) stateless
c) symmetric
d) all of the mentioned

Answer: b

Explanation: A transaction is executed without regard to other transactions or requests.

4. From the standpoint of an ________, it makes no sense to offer non-standard machine instances to customers.

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

Answer: d

Explanation: Because those customers are almost certainly deploying applications built on standard operating systems such as Linux, Windows, Solaris, or some other well-known operating system.

5. Point out the wrong statement :

a) A cloud cannot be created within an organization’s own infrastructure or outsourced to another datacenter
b) A composable component must be modular
c) A composable component must be stateless
d) None of the mentioned

Answer: a

Explanation: While resources in a cloud can be real physical resources, more often they are virtualized resources because virtualized resources are easier to modify and optimize.

6. A service provider reselling an ____ may have the option to offer one module to customize the information.

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

Answer: d

Explanation: Modifications are generally severely limited.

7. Which of the following is highest degree of integration in cloud computing ?

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

Answer: d

Explanation: An SaaS vendor such as Quicken.com or Salesforce.com is delivering an application as a service to a customer.

8. Which of the architectural layer is used as front end in cloud computing ?

a) client
b) cloud
c) soft
d) all of the mentioned

Answer: a

Explanation: Cloud computing may be differentiated from older models by describing an encapsulated information technology service that is often controlled through an Application Programming Interface (API).

9. Which of the following benefit is provided by PaaS service provider ?

a) A larger pool of qualified developers
b) More reliable operation
c) A logical design methodology
d) All of the mentioned

Answer: d

Explanation: The essence of a service oriented design is that services are constructed from a set of modules using standard communications and service interfaces.

10. Communication between services is done widely using _______ protocol.

a) REST
b) SOAP
c) RESTful
d) None of the mentioned

Answer: b

Explanation: There are alternative sets of standards as well.

11. Which of the following provider rely on virtual machine technology to deliver servers ?

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

Answer: d

Explanation: Most large Infrastructure as a Service (IaaS) providers rely on virtual machine technology that can run applications.

12. Point out the correct statement :

a) Virtual machines are containers that are assigned specific resources
b) Applications need not be mindful of how they use cloud resources
c) When a developer creates an application that uses a cloud service, the developer cannot attach to the appropriate service
d) All of the mentioned

Answer: a

Explanation: The software that runs in the virtual machines is what defines the utility of the cloud computing system.

13. Which of the following component is called hypervisor ?

a) VMM
b) VMc
c) VMM
d) All of the mentioned

Answer: c

Explanation: VMM component is also called hypervisor.

14. Applications such as a Web server or database server that can run on a virtual machine image are referred to as :

a) virtual server
b) virtual appliances
c) machine imaging
d) all of the mentioned

Answer: b

Explanation: The name virtual appliance is a little misleading because it conjures up the image of a machine that serves a narrow purpose.

15. Point out the wrong statement :

a) Platforms represent nearly the full cloud software stack
b) A platform in the cloud is a software layer that is used to create higher levels of service
c) Platforms often come replete with tools and utilities to aid in application design and deployment
d) None of the mentioned

Answer: d

Explanation: Most platforms begin by establishing a developer community to support the work done in the environment.

16. _________ allows different operating systems to run in their own memory space.

a) VMM
b) VMc
c) VMM
d) All of the mentioned

Answer: c

Explanation: VMM manages I/O for the virtual machines.

17. Amazon Machine Images are virtual appliances that have been packaged to run on the grid of ____ nodes.

a) Ben
b) Xen
c) Ken
d) Zen

Answer: b

Explanation: You run across virtual appliances in IaaS systems such as Amazon’s Elastic Compute Cloud.

18. Which of the following offers virtual appliances, including ones based on Windows, all of which run on VMware Player ?

a) Bagvapp
b) Jcinacio
c) HelpdeskLive
d) All of the mentioned

Answer: a

Explanation: Virtual appliances have begun to affect the PC industry in much the same way that application stores have affected the cell phone industry.

19. ________ offers various Linux distributions upon which you can build a virtual machine.

a) Bagvapp
b) Jcinacio
c) HelpdeskLive
d) All of the mentioned

Answer: b

Explanation: Jcinacio has Ubuntu appliances.

20. __________ is a CPU emulator and virtual machine monitor.

a) Imaging
b) Parallels
c) QEMU
d) None of the mentioned

Answer: c

Explanation: Parallels hosts a variety of appliances that includes Linux distros, server software, and other products.