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Cloud Services Expert Exam for Cloud Architects exam (E20-920) - EMC Exam Questions

Last updated on June 20, 2026

97% Exam Compliance
108 Total Questions
1
Question
An organization has been providing web services within their private cloud. The web services, deployed through a service catalog, depend on a database resource in the private cloud. The organization decided to make these web services availability globally by using a public cloud provider. However, once of the web services were deployed into the public cloud, users started complaining about poor performance.

Which solution would most likely improve performance of the web services.
Options
A Re-architect the web-service to be loosely coupled with the database
B Balance the load globally across multiple instances of the web service.
C Re-architect the web-service to be deployed as a month coupled
D Balance the load globally across multiple instances of the database
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2
Question
What key features do Web Scale infrastructure and applications share that contribute to their success?
Options
A HA design, distributed architecture, low OPEX, and design for failure
B Design for failure, intelligent hyper-optimized applications, distributed architecture, and low OPEX
C Clustered architecture, design for failure, HA design, and intelligent hyper-optimized applications
D Intelligent hyper-optimized applications, clustered architecture, low OPEX, and HA design
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3
Question
The CFO is discussing with you a chargeback model for critical qualities of service. The model must allow for: Control of service usage over a short period of time (hours) Granular control of system load such as latency of applications

Which chargeback model should you recommend?
Options
A Pay-as-you-use
B Bid/Spot Instance
C Electronic Ticket
D Subscription by Peak Usage
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4
Question
What is the key consideration during design phase for a service provider to ensure that they can effectively process the termination of a service instance?
Options
A Incorporate a service grace to prevent the actual deletion of the instance
B Create a retention period for private user data and user PCI data.
C Automate the de-provisioning process to release resources back into the pools
D Archive the associated service data regardless of the user requirements
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5
Question
An IT organization wishes to adopt ITaaS to offer services to customers. What should the organization consider when designing services?
Options
A Use different service template for different business units to design all the services to be offered
B Ensure that each service has dedicated resources available all the time in the resource pool
C Ensure services are tightly coupled so that each service operates effectively
D Manage the entire service lifecycle with the goal of zero-touch orchestration and service installation
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