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EMC E20-918 Exam Syllabus Topics:

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

1. An enterprise decided to place some sensitive data - intellectual property - in the public cloud and implemented security mechanisms to protect this data.
Recently the public cloud provider's systems had a security breach. The enterprise was not concerned because they felt their data had been completely protected. All of the services housing the data are protected by an IPS application and no alerts were generated by the system.
How did the enterprise protect its data?

A) All data in the public cloud environment was encrypted in-transit only. The encryption keys were
under complete control of the enterprise and were not available to the public provider.
The cloud provider's logs showed that the enterprise's services were neither accessed nor copied.
B) All data in the public cloud environment was encrypted at-rest and in-transit. The encryption
keys were under complete control of the enterprise and were not available to the public provider.
The cloud provider's logs showed that the enterprise's services were copied.
C) The data was not encrypted but the enterprise maintained a backup of the data in a secure off-
site location.
The cloud provider's logs showed that the enterprise's services were not copied.
D) All data in the public cloud environment was encrypted at-rest and in-transit. Copies of the
encryption keys were secured by the public cloud provider using 1024-bit encryption.
The cloud provider's logs showed that the enterprise's services were neither accessed nor copied.

2. A large marketing company is in the initial stages of assessing their suitability for ITaaS. You, the
cloud architect, interview the IT personnel and discover the following:
-The company does not maintain a CMDB of their virtual server environment.
-Security software to protect the network from unauthorized external access is inadequate.
-Standardized services offering, self-service provisioning, and consumption-based reporting
capabilities do not exist.
Where would you document your findings?

A) Technology gaps report
B) Automation gaps report
C) Service gaps report
D) Orchestration gaps report

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%."
After viewing the weekly trending analysis, you notice that the cost of resources allocated does not correspond to resource utilization. And the billing statement from the cloud service provider (CSP) reflects higher than expected charges.
What is the most effective action to take to rectify the discrepancy?

A) Verify that the orchestration engine is configured to trigger the collapse of the underutilized resources
B) Contact the CSP representative and renegotiate the terms of service of the contract
C) Terminate the contract with the CSP and sign a contract with a public provider that better integrates with the solution
D) Contact the CSP representative and negotiate a fixed cost model

4. Which describes the process for instantiating an IaaS offering?

A) The consumer, via a web based catalog, selects an orchestration engine that communicates with the hypervisor layer. This triggers a creation of service, allocating CPU, RAM, networking and storage.
B) The consumer, via a web based catalog, deploys a template that communicates with the hypervisor layer. This triggers a creation of service, allocating CPU, RAM, networking and storage.
C) The consumer, via a web based catalog, selects a service which utilizes an orchestration engine that communicates with the hypervisor layer. This triggers a creation of service through the allocation of resources.
D) The consumer interacts with an orchestration engine that communicates directly with the hypervisor layer. This triggers a creation of service, allocating resources.

5. 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 -
Another evaluation point is the completion time for weekly full backups to the cloud service provider. Which would have the most favorable impact on full backup speed?

A) Source-based deduplication
B) Target-based deduplication
C) Use of thin provisioning for volumes
D) Low capacity growth rate for volumes

Solutions: