EMC Cloud Architect E20-918

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EMC IT-as-a-Service Expert Exam for Cloud Architects Sample Questions:

1. You are working with an independent software vendor to deploy a new SaaS-based application into an organization's private cloud. The application supports REST and SAML binding for authentication. Which cloud single sign-on solution would best fit the needs of this SaaS application?

A) OAuth
B) LDAP
C) SCIM
D) OpenID

2. Refer to Scenario 5.
Refer to the exhibit.

An innovative high-end graphics and multimedia firm with a substantially virtualized IT infrastructure wishes to consider cloud enablement next, as part of its logical progression to ITaaS.
As a first step, the firm plans to transition one relatively low-risk service -- daily backup -- to a public CSP. The existing backup strategy involves array-based cloning, followed by backup of the clones with dedicated servers. The system is functional; however, since the backup target device is due for a technology refresh, the firm is open to alternatives.
In evaluating alternatives, the key consideration is the ability to meet backup windows for daily incremental backups during the work week.
As advisor to this firm, you have conducted a quick assessment of the candidate applications and storage involved in daily backups. Relevant details are presented in the exhibit.
-- Exhibit -
Your second goal is to demonstrate that the CSP solution will be suitable for even the most time consuming backups.
Which application would you select for this test?

A) Legal
B) Accounting
C) Email
D) Development

3. Refer to Scenario 7.
"
A web hosting company has been growing steadily over the past year. Their single data center is at maximum capacity for power, space and cooling, and their physical infrastructure is also running at capacity. They are evaluating the feasibility of obtaining another data center in a remote location to enable further growth.
One of the web hosting company's eCommerce customers notifies them that they are launching an enormous holiday sale, beginning in a few weeks. They expect utilization of their virtual server farm to double or triple for the next three to six months. The web hosting company cannot deploy the needed resources in a new data center in time for the sale. They opt to purchase services from a cloud service provider using a pay-as-you-go model.
Over the next two weeks, Layer 2 connectivity is established between the two sites. The web hosting company's IT staff works with the CSP to configure the necessary physical and virtual infrastructure. All traffic to the public cloud is routed through the private data center, across the Layer 2 connection. A local load balancer is deployed in the private data center. Orchestration tools are configured to burst the service into the public cloud automatically when utilization reaches 80%."
During the next month, you are contacted by the billing department. They are unsure why the usage charges for the company have remained constant for several months. You know for certain that their services have been bursting into the public cloud frequently over the past two weeks.
What is the most likely course of action to identify the problem?

A) Investigate the pricing units in the accounting model to verify that the utility and activity costs are accurate and current
B) Terminate the contract with the CSP and sign a contract with a public provider that better integrates with the solution
C) Confirm that the configuration of the orchestration engine polls the correct data from the CSP
D) Check the details of the service offering and service contract to ensure a pay-as-you-go model is utilized

4. A large enterprise has several applications deployed in a hybrid cloud. Ever since the hybrid cloud was deployed, the enterprise network operations center has never been able to fully reconcile network and audit logs.
What should be investigated first as the possible source of the issue?

A) Exposing management APIs
B) Filtering false positives
C) Tenant in-control versus provider in-control differences
D) Confirm time is synchronized between locations

5. Which metric measures the time taken to realize benefits from an ITaaS solution?

A) Time-to-live
B) Time-to-deliver
C) Time-to-deploy
D) Time-to-value

Solutions: