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Cloud Computing Exam Questions Answers

Mention what is the difference between elasticity and scalability in cloud computing? 

Scalability is a characteristics of cloud computing through which increasing workload can be handledby increasing in proportion the amount of resource capacity. Whereas, elasticity, is being one of thecharacteristics that highlights the concept of commissioning and decommissioning of a large amountof resource capacity.

Mention the services that are provided by Window Azure Operating System?

Window Azure provides three core services which are given as

  • Compute
  • Storage
  • Management

In cloud architecture what are the different components that are required?

  • Cloud Ingress
  • Processor Speed
  • Cloud storage services
  • Cloud provided services
  • Intra-cloud communications

In cloud architecture what are the different phases involved?

  • Launch Phase
  • Monitor Phase
  • Shutdown Phase
  • Cleanup Phase

List down the basic characteristics of cloud computing?

  • Elasticity and Scalability
  • Self-service provisioning and automatic de-provisioning
  • Standardized interfaces
  • Billing self service based usage model

In cloud architecture what are the building blocks?

  • Reference architecture
  • Technical architecture
  • Deployment operation architecture

Mention in what ways cloud architecture provide automation and performance transparency?

To provide the performance transparency and automation there are many tools used by cloudarchitecture. It allows to manage the cloud architecture and monitor reports. It also allows them toshare the application using the cloud architecture. Automation is the key component of cloudarchitecture which helps to improve the degree of quality.

In cloud computing explain the role of performance cloud?

Performance cloud is useful in transferring maximum amount of data instantly. It is used by theprofessionals who work on high performance computing research.

Explain hybrid and community cloud?

  • Hybrid cloud: It consists of multiple service providers. It is a combination of public and private cloudfeatures. It is used by the company when they require both private and public clouds both.
  • Community Cloud: This model is quite expensive and is used when the organizations having common goals and requirements, and are ready to share the benefits of the cloud service.

In cloud what are the optimizing strategies?

To overcome the maintenance cost and to optimize the resources ,there is a concept of three datacentre in cloud which provides recovery and back-up in case of disaster or system failure and keeps all the data safe and intact.

What is Amazon SQS?

To communicate between different connectors Amazon SQS message is used, between various components of AMAZON, it acts as a communicator.

How buffer is used to Amazon web services?

In order to make system more efficient against the burst of traffic or load, buffer is used. Itsynchronizes different component . The component always receives and processes the request in anunbalanced way. The balance between different components are managed by buffer, and makesthem work at the same speed to provide faster services.

Mention what is Hypervisor in cloud computing and their types?

Hypervisor is a Virtual Machine Monitor which manages resources for virtual machines. There aremainly two types of hypervisors

  • Type 1: The guest Vm runs directly over the host hardware, eg Xen, VmWare ESXI
  • Type 2: The guest Vm runs over hardware through a host OS, eg Kvm, oracle virtualbox
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