Module 08 - Cloud Computing Primer

Question 1

Building a cloud infrastructure requires a layer of cloud ________ ________________ on top of the VDC infrastructure.

Answer 1

Service Management

(8.3)

Question 2

Four technological foundations of Cloud Computing

Answer 2

1) Grid Computing, 2) Utility Computing, 3) Virtualization, 4) Service Oriented Architecture (SOA)8.5
(8. 5)

Question 3

An architectural approach in which applications make use of services available IN the network.Each service provides a specific function, for example, business function (Payroll Tax Calculation).

Answer 3

Service Oriented Architecture (SOA)

(8.5)

Question 4

Provides improved utilization of resources.Enables optimization of resources by oversubscription.

Answer 4

Virtualization

(8.5)

Question 5

Service provisioning model that offers computing resources as a metered service.

Answer 5

Utility Computing

(8.5)

Question 6

Form of distributed computing which applies the resources of numerous computers in a network to work on a single complex task at the same time.

Answer 6

Grid Computing

(8.5)

Question 7

Five essential characteristics of Cloud Computing

Answer 7

1) On-Demand Self Service, 2) Broad Network Access, 3) Resource Pooling, 4) Rapid Elasticity, 5) Measured Service
(8. 6)

Question 8

Enables consumers to get computing resources as and when required, without any human intervention.

Answer 8

On-Demand Self-Service

(8.7)

Question 9

True or False: The consumer has no knowledge about the exact location of the resources provided.

Answer 9

True

(8.9)

Question 10

Pooled to serve multiple consumers

Answer 10

IT resources (compute, storage, network)

(8.9)

Question 11

Ability to scale IT resources rapidly, as required, to fulfill the changing needs without interruption of service.

Answer 11

Rapid Elasticity

(8.10)

Question 12

Provides billing and chargeback information for the Cloud resource used by the consumer.

Answer 12

Metered Service

(8.11)

Question 13

Five Cloud Computing Benefits

Answer 13

1) Reduced IT Cost, 2) Business Agility, 3) Flexible Scaling, 4) High Availability, 5) Energy Efficiency
(8. 13)

Question 14

Three Categories of Cloud Services

Answer 14

1) Infrastructure-as-a-Service (IaaS), 2) Platform-as-a-Service (PasS), 3) Software-as-a-Service (SaaS)
(8. 15)

Question 15

Provides capability to the consumer to hire infrastructure components such as servers, storage, and network.

Answer 15

Infrastructure-as-a-Service (IaaS)

(8.16)

Question 16

True or False: In a IaaS model, scaling and elasticity are the responsibilities of the consumer, not the provider.

Answer 16

True

(8.16)

Question 17

Two examples of IaaS offerings.

Answer 17

1) Amazon Elastic Compute Cloud (EC2), 2) EMC Atmos Online
(8. 17)

Question 18

Application Development Environment offerd as a service by the cloud provider. Typically includes and IDE. Consumer controlls the deployed applications.

Answer 18

Platform as a Service (PaaS)

(8.18)

Question 19

PaaS Examples from Google & Microsoft:

Answer 19

1) Google App Engine, 2) Microsoft Azure
(8. 19)

Question 20

Capability provided to the consumer to use a provider’s applications running in a Cloud infrastructure.

Answer 20

Software-as-a-Service (SaaS)

(8.20)

Question 21

EMC SaaS offering for online backup

Answer 21

EMC Mozy8.21

(8.21)

Question 22

SaaS offering for Customer Relationship Management

Answer 22

Salesforce.com

(8.21)

Question 23

Three Deployment Models of Cloud Computing

Answer 23

1) Private, 2) Public, 3) Hybrid
(8. 22)

Question 24

Two variations of the Private Cloud model

Answer 24

1) On-Premise Private Cloud, 2) Externally-Hosted Private Cloud
(8. 23)

Question 25

Cloud deployment model where an organization consumes resources from both private and public Clouds.

Answer 25

Hybrid Cloud

(8.24)

Question 26

Cloud deployment model where the cloud infrastructure is shared by several organizations and supports a specific community that has shared concerns. Managed by organizations or by a third party.

Answer 26

Community Cloud

(8.25)

Question 27

Key cost savings provided by cloud computing

Answer 27

Savings in: 1) Infrastructure costs, 2) Management costs, 3) Power and energy costs

(8.26)

Question 28

Cloud Challenges for the Consumer

Answer 28

1) Security and Regulation, 2) Network Latency, 3) Supportability, 4) Interoperability
(8. 28)

Question 29

Cloud Challenges for the Provider

Answer 29

1) Service Warranty and Service Cost, 2) Huge Numbers of Software to Manage, 3) No Standard Cloud APIs
(8. 29)