CLOUD COMPUTING: QUIZ ONE

_______ is a pay-as-you-go model matches resources to need on an ongoing basis. a) Utility b) Elasticity c) Low barrier to entry d) All of the mentioned

Answer: a) Utility Explanation: This eliminates waste and has the added benefit of shifting risk from the client.

1. Which of the following is owned by an organization selling cloud services ? a) Public b) Private c) Community d) Hybrid

Answer: a) public Explanation: The public cloud infrastructure is available for public use alternatively for a large industry group.

How many types of service model are mainly present in Cloud ? a) 1 b) 2 c) 3 d) 4

Answer: c Explanation: Three types of Service model exist.

__________ cloud is one where the cloud has been organized to serve a common function or purpose. a) Public b) Private c) Community d) All of the mentioned

C) Community Explanation: A community cloud may be managed by the constituent organization(s) or by a third party.

4. The _____ is something that you can obtain under contract from your vendor. a) PoS b) QoS c) SoS d) All of the mentioned

Explanation: Depending upon the type of service being offered, you may find that you do not require hardware or software licenses to implement your service.

All cloud computing applications suffer from the inherent _______ that is intrinsic in their WAN connectivity.

Latency - the delay before a transfer of data begins following an instruction for its transfer

Cloud computing is a _______ system and it is necessarily unidirectional in nature.

stateless

________ dimension corresponds to two different states in the eight possible cloud forms. a) Physical location of data b) Ownership c) Security boundary d) None of the mentioned

Answer: d) None of the above Explanation: The sourcing dimension addresses the deliverer of the service.

7. Which of the following is most refined and restrictive service model ? a) IaaS b) CaaS c) PaaS d) All of the mentioned

Answer: C) PaaS 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.

Which of the following benefit is related to creates resources that are pooled together in a system that supports multi-tenant usage ? a) On-demand self-service b) Broad network access c) Resource pooling: d) All of the mentioned

Answer: a Explanation: A cloud service provider creates resources that are pooled together in a system that supports multi-tenant usage.

8. Which of the following is most important area of concern in cloud computing ? a) Security b) Storage c) Scalability d) All of the mentioned

Answer: a Explanation: When your data travels over and rests on systems that are no longer under your control, you have increased risk due to the interception and malfeasance of others.

A service that concentrates on hardware follows the _________ as a Service model. a) IaaS b) CaaS c) PaaS d) All of the mentioned

Answer: a) IaaS Explanation: Amazon web service follows PaaS model.

_______ provides virtual machines, virtual storage, virtual infrastructure, and other hardware assets a) IaaS b) SaaS c) PaaS d) All of the mentioned

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

Which of the following dimension is related to organization's boundaries ? a) Physical location of data b) Ownership c) Security boundary d) All of the mentioned

Answer: a) Physical location of data Explanation: Internal (I) / External (E) determines your organization's boundaries.

__________is a measure of whether the operation is inside or outside the security boundary or network firewall. a) Per b) P c) Pre d) All of the mentioned

Answer: d Explanation: Per stands for Perimeterised.

Point out the wrong statement : a) Public cloud may be managed by the constituent organization(s) or by a third party b) A community cloud may be managed by the constituent organization(s) or by a third party c) Private clouds may be either on- or off-premises d) None of the mentioned

Answer: a) Public cloud may be managed by the constituent organization(s) or by a 3rd party Explanation: The public cloud infrastructure is available for public use alternatively for a large industry group.

The three different service models is together known as the _____ model of cloud computing. a) SPI b) SIP c) CPI d) All of the mentioned

Answer: a) SPI (software, platform, infrastructure) Explanation: Many other service models are also present.

When you add a software stack, such as an operating system and applications to the service, the model shifts to _____ model. a) SaaS b) PaaS c) IaaS d) All of the mentioned

Answer: a) SaaS Explanation: Microsoft's Windows Azure Platform is best described as currently using SaaS model.

Which of the following is related to service provided by Cloud ? a) Sourcing b) Ownership c) Reliability d) AaaS

Answer: a) Sources Explanation: Insourced or Outsourced means whether the service is provided by the customer or the service provider.

10. _______ enables batch processing, which greatly speeds up high-processing applications. a) Scalability b) Reliability c) Elasticity d) Utility

Answer: a) scalability Explanation: This feature obviates the need for planning and provisioning.

6. _______ is a complete operating environment with applications, management, and the user interface. a) IaaS b) SaaS c) PaaS d) All of the mentioned

Answer: b Explanation: In the SaaS model, the application is provided to the client through a thin client interface.

Point out the wrong statement : a) Cloud Computing has two distinct sets of models b) Amazon has built a worldwide network of datacenters to service its search engine c) Azure enables .NET Framework applications to run over the Internet d) None of the mentioned

Answer: b) Amazon has built a worldwide network of datacenters to service its search engine Explanation: Google has built mega data centers for its search engine.

Point out the correct statement : a) The use of the word "cloud" makes reference to the two essential concepts b) Cloud computing abstracts systems by pooling and sharing resources c) cloud computing is nothing more than the Internet d) All of the mentioned View Answer

Answer: b) Cloud computing abstracts systems by pooling and sharing resources Explanation: Abstraction and Virtualization are the two essential concepts.

3. ________ refers to the location and management of the cloud's infrastructure. a) Service b) Deployment c) Application d) None of the mentioned

Answer: b) Deployment Explanation: The deployment model tells you where the cloud is located and for what purpose.

The __________ model originally did not require a cloud to use virtualization to pool resources. a) NEFT b) NIST c) NIT d) All of the mentioned

Answer: b) NIST Explanation: NIST stands for National Institute of Standards and Technology.

. The ________ cloud infrastructure is operated for the exclusive use of an organization. a) Public b) Private c) Community d) All of the mentioned

Answer: b) Private Explanation: The cloud may be managed by that organization or a third party.

3. Which of the following is provided by ownership dimension of Cloud Cube Model ? a) Proprietary b) Owner c) P d) All of the mentioned

Answer: b) owner Explanation: P stands for Proprietary ownership.

9. You can't count on a cloud provider maintaining your _____ in the face of government actions. a) scalability b) reliability c) privacy d) none of the mentioned

Answer: c Explanation: Cloud computing industry continues to address security concerns.

2. Point out the correct statement : a) Google's cloud includes perhaps some 10 data centers worldwide b) Flipkart.com's infrastructure was built to support elastic demand so the system could accommodate peak traffic c) Data centers have been sited to optimize the overall system latency d) All of the mentioned

Answer: c Explanation: Data center can Keep land costs modest and occupation unobtrusive

4. Which of the following provides development frameworks and control structures ? a) IaaS b) SaaS c) PaaS d) All of the mentioned

Answer: c Explanation: Infrastructure as a Service (IaaS) is a form of cloud computing that provides virtualized computing resources over the Internet.

Point out the wrong statement : a) A cloud is defined as the combination of the infrastructure of a datacenter with the ability to provision hardware and software b) High touch applications are best done on-premises c) The Google App Engine follows IaaS d) None of the mentioned

Answer: c Explanation: The Google App Engine follows PaaS.

_______ feature allows you to optimize your system and capture all possible transactions. a) scalability b) reliability c) elasticity d) none of the mentioned

Answer: c Explanation: You have the ability to right-size resources as required.

_______ model attempts to categorize a cloud network based on four dimensional factors. a) Cloud Square b) Cloud Service c) Cloud Cube d) All of the mentioned

Answer: c) Cloud Cube Explanation: Cloud Cube model is mainly used for secure collaboration.

CaaS stands for _____________ as service. a) Compliance b) Computer c) Community d) Communication

Answer: d Explanation: Communication as a Service (CaaS), enables the consumer to utilize Enterprise level VoIP, VPNs, PBX and Unified Communications without the costly investment of purchasing, hosting and managing the infrastructure.

. Point out the wrong statement : a) A PaaS service adds integration features, middleware, and other orchestration and choreography services to the IaaS model b) XaaS or 'anything as a service' is the delivery of IT as a Service through hybrid Cloud computing c) Monitoring as a Service (MaaS) is at present still an emerging piece of the Cloud jigsaw d) None of the mentioned

Answer: d Explanation: Monitoring as a Service provides the option to offload a large majority of those costs by having it run as a service as opposed to a fully invested in house tool.

Which of the following is one of the unique attribute of Cloud Computing ? a) utility type of delivery b) elasticity c) low barrier to entry d) all of the mentioned

D) ALL Explanation: These attributes change how applications are created, priced, and delivered.

A _____________cloud combines multiple clouds where those clouds retain their unique identities, but are bound together as a unit. a) Public b) Private c) Community d) Hybrid

D) Hybrid Explanation: A hybrid cloud may offer standardized or proprietary access to data and applications, as well as application portability.