E20-020 by EMC Actual Free Exam Questions And Answers

Question 1

An organization wants to deploy a block storage in the cloud using a storage array that is accessible through the iSCSI protocol. The hosts support iSCSI.
Why would network segmentation be included in the design to support this requirement?

A. Enable CHAP between the array and hosts

B. Enable LUN masking capabilities of the array

C. Secure all traffic between the storage array and the hosts

D. iSCSI traffic is not supported on networks with other types of traffic

Discussion 0

Correct Answer: C Vote an answer

Question 2

A cloud architect is evaluating an organization's need to support thousands of virtual machine instances and some form of encryption. Which encryption type should be selected and why?

A. Self-encrypting storage devices to increase security at the cost of increased overhead

B. Network-based encryption to increase security at the cost of server overhead

C. Full file systems encryption to simplify key management

D. Storage array encryption to provide centralized management

Discussion 0

Correct Answer: C Vote an answer

Question 3

What describes the storage categories represented by OpenStack Swift and EMC XtremIO requirements?
XtremIO = Central Storage
XtremIO = Distributed File Storage
C. Swift = Distributed Block Storage
XtremIO = Distributed Object Storage
D. Swift = Distributed File Storage
XtremIO = Distributed Block Storage

A. Swift = Central Storage

Discussion 0

Correct Answer: A Vote an answer

OpenStack Swift is a globally-distributed object storage with a single namespace that's durable enough for the most demanding private clouds and now brought to you in an easy- to-deploy/scale/manage system.
XtremIO is a flash-based Storage Array.
References:
https://www.swiftstack.com/#testimonial/2
http://www.emc.com/collateral/white-papers/h11752-intro-to-XtremIO-array-wp.pdf

Question 4

You are designing consumer compute resources in an onsite private cloud. During an assessment, you discover that the organization's IT staff wants secure access to the underlying host OS.
What should be included in the design to support this requirement?

A. Host OS firewall configurationCentral loggingPhysically isolated management network

B. Host IDS configurationSecure key infrastructureBridged management network

C. Perimeter firewall configurationVPN encryptionSeparate management network

D. Host OS firewall configurationSecure key infrastructureSeparate management network

Discussion 0

Correct Answer: C Vote an answer

Question 5

Which benefits might be realized by designing a separate infrastructure pool to host network functions?

A. Reduced troubleshooting time, enhanced security, and reduced public IP address consumption

B. Reduced consumer infrastructure load, enhanced security, and reduced public IP address consumption

C. Reduced troubleshooting time, reduced consumer infrastructure load, and enhanced security

D. Reduced public IP address consumption, reduced troubleshooting time, and reduced consumer infrastructure load

Discussion 0

Correct Answer: B Vote an answer

Question 6

Which type of storage is optimal for high performance and low latency applications?

A. Cluster

B. Object

C. File

D. Block

Discussion 0

Correct Answer: D Vote an answer

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Question 7

Which categories of network traffic should be isolated from inter-host communication and each other?

A. Cloud services and administration

B. Logging and messaging

C. Administration and storage

D. Messaging and storage

Discussion 0

Correct Answer: A Vote an answer

EMC Cloud Infrastructure Specialist Exam for Cloud Architects - E20-020 Exam Practice Test

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