EMC E20-002 examen pratique questions et réponses

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Code d'Examen: E20-002
Nom d'Examen: EMC (Cloud Infrastructure and Services Exam)
Questions et réponses: 118 Q&As

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NO.1 What best describes the "metered service" characteristic of Cloud computing?
A. Consumers are billed based on resource usage.
B. Services are provisioned based on their demand.
C. Metering services are created when required from the resource pools.
D. Metering services can scale up and down based on resource usage.
Answer: A

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NO.2 Which problem is addressed by RAID technologies?
A. Data corruption
B. Data backup
C. Data loss
D. Data security
Answer: C

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NO.3 Which is a benefit of server clustering?
A. High CPU utilization
B. High availability
C. High memory utilization
D. High security
Answer: B

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NO.4 Which component retrieves data from disk in an Intelligent Storage System?
A. Front-end
B. Cache
C. LUN
D. Back-end
Answer: D

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NO.5 What is the Cloud service model offered by EMC Mozy.?
A. Software-as-a-Service
B. Platform-as-a-Service
C. Infrastructure-as-a-Service
D. Virtualization-as-a-Service
Answer: A

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NO.6 Which component of a compute system performs the creation and control of logical storage?
A. Volume Manager
B. Operating System
C. DBMS
D. Application
Answer: A

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NO.7 Which is used to logically group FC ports?
A. Zone
B. VLAN
C. Mask
D. ISL
Answer: A

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NO.8 An organization runs a proprietary operating system for its custom applications. System performance
has been declining at an increasing rate. They would like to leverage a Cloud solution to address their
problem.
Which Cloud service model would be appropriate for them?
A. Infrastructure-as-a-Service
B. Platform-as-a-Service
C. Software-as-a-Service
D. IT-as-a-Service
Answer: A

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NO.9 In which Cloud deployment model would an organization see operational expenditures grow in
proportion to capital expenditures?
A. On-premise Private Cloud
B. External Private Cloud
C. Public Cloud
D. Hybrid Cloud
Answer: A

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NO.10 Which parameter uniquely identifies a switch in a SAN environment?
A. Area ID
B. Port ID
C. Domain ID
D. WWN
Answer: C

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NO.11 Which RAID types use no parity in protecting against data loss?
A. RAID 1 and Nested
B. RAID 0 and RAID 6
C. RAID 3 and RAID 5
D. RAID 5 and Nested
Answer: A

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NO.12 As an organization leverages more resources from Cloud service providers, which expense of the
organization would be expected to grow larger?
A. Power and energy
B. Management
C. Infrastructure
D. Operational
Answer: D

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NO.13 Which Cloud service model allows the user to run any operating system and application?
A. Platform-as-a-Service
B. Infrastructure-as-a-Service
C. Software-as-a-Service
D. IT-as-a-Service
Answer: B

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NO.14 Which RAID type uses parity to protect against data loss?
A. RAID 3
B. RAID 0
C. RAID 1
D. Nested
Answer: A

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NO.15 Which Cloud service model is most appropriate for application development?
A. Infrastructure-as-a-Service
B. Platform-as-a-Service
C. Software-as-a-Service
D. IT-as-a-Service
Answer: B

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