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Latest EMC exam E20-020 dumps
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Cloud Infrastructure Specialist Exam for Cloud
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The safer , easier way to help you pass any IT exams. 1.What are key benefits of ITaaS compared to traditional IT processes?
A. Tiered services, integrated inventory management, and SLA-driven profit model
B. Service catalog, SLA-driven management, and chargeback
C. Strong policies, DevOps, and software licensing
D. Ticket-based service model, cost, and chargeback
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2.Which infrastructure does VCE Vblock represent?
A. Brownfield
B. Traditional
C. Hyper-converged
D. Converged
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Answer: B
Explanation:
*In the ITaas model, corporate IT offers a menu of SaaS, PaaS and IaaS options for business users via
acentralized service catalog. Business users are free to pick and choose cloud services that corporate IT
has vetted, or provide themselves. These users can make informed decisions based on service pricing
and SLAs, and can in many cases can provision services on their own.
*ITaas can be implemented through new consumption models leveraging self-service catalogs offering
bothinternal and external services; providing IT financial transparency for costs and pricing; offering
consumerized IT – such as bring your own device (BYoD) – to meet the needs of users. All of which
simplify and encourage consumption of services.
*A service-level agreement (SLA) is a part of a standardized service contract where a service is
formallydefined. Particular aspects of the service – scope, quality, responsibilities – are agreed between
the service provider and the service user.
References: http://leverhawk.com/is-itaas-really-a-new-concept-20130628321
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Answer: D
Explanation:
Vblock is the brand name VCE uses for racks containing the components of its data center products.
Prepackaging, called converged infrastructure, allows customers to select preconfigured and integrated
solutions, with predictable units of power, weight, cooling, and geometry for data center planning
purposes.
References: https://en.wikipedia.org/wiki/Vblock
3.An organization wants to enable consumers to deploy IaaS and PaaS instances from a service catalog.
These instances will all be deployed on a specific hypervisor. The organization has informed you that they
want to use a preferred server vendor when building their new private cloud. What must be confirmed
about the design?
A. Server hardware is compatible with PaaS solution
B. Server hardware is on the hypervisor vendor’s compatibility list
C. Server hardware is supported by the service catalog solution
D. IaaS instances have the compatible drivers for the physical server hardware
Answer: D
4.What is an advantage of using a brownfield infrastructure?
2/3
The safer , easier way to help you pass any IT exams. A. Avoids upgrades to existing infrastructures
B. Promotes staff familiarity with technology
C. Enables migration to new technologies
D. Avoids older and less efficient processes
Answer: B
Explanation:
Brownfield fund investments involve established assets in need of improvement. Investing at the
operational stage of a project is brownfield investment. This may be preferred as completion and usage
risks should be reduced because the project will have been operating for some time.
References: http://www.engagedinvestor.co.uk/why-invest-in-infrastructure/1472667.article
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5.An organization has internal applications that require block, file, and object storage. They anticipate the
need for multi-PB storage within the next 18 months. In addition, they would prefer to use commodity
hardware as well as open source technologies.
Which solution should be recommended?
A. Cinder
B. Hadoop
C. Swift
D. Ceph
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Answer: C
Explanation:
OpenStack Swift Object Storage on EMC Isilon
EMC Isilon with OneFS 7.2 now supports OpenStack Swift API. Isilon is simple to manage, highly scalable
(up to 30PB+ in a single namespace) and highly efficient (80%+ storage utilization) NAS platform.
References: http://samuraiincloud.com/2014/11/26/openstack-swift-object-storage-on-emcisilon/
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