Wednesday, May 20

Cloud computing question bank series

Objective Type Questions:
1. Which resources are typically provided by an Infrastructure as a Service cloud computing delivery model?
A. applications                  B. virtual machines        C. virtual private networks        D. middleware software stacks
2. Which statement is true about a cloud computing environment?
A. It cannot be used to host location based applications.
B. It enables users to access systems regardless of their location.
C. It introduces latency as the servers are geographically dispersed.
D. It can improve a web server response time by having servers closer to the end user.

3. Which concept aligns business and IT assets, helps provide flexible IT capacity, and provides real time allocation of IT resources in line with demand from business processes?
A. elasticity
B. virtualization              
C. dynamic infrastructure                                          
D. automated management of resources

4. An enterprise needs highly controlled storage and access to their databases as well as managing the infrastructure for web front ends and other applications. They have a large existing IT infrastructure and they are continually expanding the capabilities. Which cloud computing model will satisfy all their current needs and enable them to reduce cost?
A. public cloud                 B. hybrid cloud                C. private cloud                                D. internal cloud

5. What are two important benefits of using cloud computing?
A. Optimizes IT investments.
B. Deployment of single tenant application.
C. Enhanced Web V2.0 interfaces for user interactions.
D. Provides better availability than a standard computing environment.

6. When will cloud computing provide the most value?
A. A company has several thousands of documents that need to be indexed in many months.
B. A company has several hundreds of documents that need to be indexed in a few minutes.
C. A company has to process their payroll actives at the end of each pay period in batch mode.
D. A company has purchased additional hardware in order to process their payroll activities faster at the end of each pay period.

7. Which customer scenario is best suited to maximize the benefits gained from using a virtual private cloud?
A. A small startup business focused primarily on short term projects and has minimal security policies.
B. An enterprise whose IT infrastructure is under-utilized on average and the system load is fairly consistent.
C. An enterprise that requires minimal security over their data and has a large existing infrastructure that is capable of handling future needs.
D. An enterprise that does not want to sacrifice security or make changes to their management practices but needs additional resources for test and development of new solutions.

8. A company wants to build a test environment to test software updates and new solutions. The environment should mirror the production environment and be secure and inaccessible from outside the company network. The company does not want to invest in infrastructure that may be idle for a significant amount of time. Which cloud computing model will satisfy all these requirements?
A. Public Cloud                 B. Private Cloud               C. External Cloud                             D. Virtual Private Cloud

9. What advantage is there for an enterprise to adopt a virtual private cloud model?
A. Reduce costs by adopting a flexible pricing model for the entire operation.
B. Reduce infrastructure costs since all data centers will be managed in a third party cloud.
C. Manage sensitive data in a compliant and secure manner and benefit from flexible pricing models for select services or infrastructure.
D. Obtain maximum control over aspects such as security and performance since the entire infrastructure will be managed within the IT department.

10. A company has decided to leverage the web conferencing services provided by a cloud provider and to pay for those services as they are used. The cloud provider manages the infrastructure and any application upgrades. This is an example of what type of cloud delivery model?
A. Platform as a Service                                               B. Software as a Service
C. Application as a Service                                          D. Infrastructure as a Service

11. Which statement best describes the Software as a Service cloud delivery model?
A. A virtual machine provisioned and provided from the cloud which allows the customer to deploy custom applications.
B. A multitenant storage service provisioned from the cloud which allows the customer to leverage the cloud for storing software data.
C. A solution stack or set of middleware delivered to the client from the cloud which provides services for the design, development, and testing of industry aligned applications.
D. An application delivered to the client from the cloud which eliminates the need to install and run the application on the customer's own computers and simplifying maintenance and support.

12. Which delivery model is an example of a cloud computing environment that provides users with a web based email service?
A. Software as a Service                                               B. Platform as a Service
C. Computing as a Service                                           D. Infrastructure as a Service
Short Answer Type:
1. Differentiate between Grid computing, Distributed computing and cloud computing.

2. Describe the characteristics of cloud computing environments.

3. Discuss the different barriers of cloud computing.

4. What do you understand by service oriented architecture (SOA). How it support cloud computing? Explain.

5. Explain Google App Engine.

6. Differentiate IaaS, SaaS, PaaS.

7. Describe Microsoft Azure.

8. What is Utility Computing and Elastic Computing?

9. Write in brief about Amazon EC2.

10. How Cloud Computing is advantageous for the enterprise, explain.

Long Answer Type:
1. Short note on:
a. Grid Computing           b. Cluster Computing

2. Short note on:
a. IaaS                                   b. NaaS

3. Explain below terminology:
a. Cloud                                b. Deployment                 c. Services                          d. Infrastructure                              e. Platform

4. Compare among grid, cluster, soft, mobile and distributed computing
5. Explain the organizational scenario of cloud and how monitoring is done for cloud services.


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