EMC E20-918 : IT-as-a-Service Expert Exam for Cloud Architects

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EMC E20-918 Exam Syllabus Topics:

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

1. 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) Contact the CSP representative and negotiate a fixed cost model
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) Verify that the orchestration engine is configured to trigger the collapse of the underutilized resources

2. A large service provider is designing a solution to protect itself against malicious content, such as viruses in a SOAP attachment, and denial of service attacks.
Which type of firewall is most appropriate for their needs?

A) Linked VPNs
B) Reverse proxy servers
C) XML
D) Federated

3. An enterprise has decided to implement a new service that will process credit card information. They will deploy this service within their private cloud. They have a relationship with a public cloud provider that claims to be PCI compliant.
The enterprise wishes to implement a service that is PCI compliant with the least amount of effort. The service is protected by a policy-based intrusion detection system. Cardholder data is securely transmitted to the web interface.
Which additional design elements would best be suited for this implementation?

A) The card number is masked as it is typed and is immediately encrypted and securely sent directly to the credit card processing system. No credit card information is stored within the application.
B) The card number is masked as it is typed and is immediately encrypted and securely sent directly to the credit card processing system. Credit card information is backed up to the private cloud system and stored using AES 128 encryption.
C) The card number is masked as it is typed and is immediately encrypted and securely sent to both the credit card processing system and to private cloud for historical tracking and reporting only.
D) The card number is masked as it is typed and is immediately encrypted, stored, and securely sent directly to the credit card processing system. Credit card information is stored within the public cloud provider using AES 128 encryption.

4. An enterprise is beginning its journey to IT-as-a-Service (ITaaS), and has retained a Cloud Architect to assist them. An assessment of their current environment is complete and a list of final requirements is being generated.
What should the Cloud Architect recommend as the next step?

A) A Controls Matrix to evaluate GRC vulnerabilities
B) Right-Sourced Workloads to look at applications and where to put them
C) A Balanced Scorecard to identify risks from the current state
D) A Gap Analysis to compare the current state to the enterprise goals and IT strategic goals

5. An IT organization is currently 80% virtualized and the CIO is planning for the transition to ITaaS. Senior executives are concerned that IT supports too many services and that many of the services are neither efficient nor necessary.
What argument can the CIO make to address the executives' concerns and convince them that ITaaS is the correct strategic decision?

A) ITaaS promotes the rationalization of services currently being offered by IT and offers the services that provide business value through the service catalog.
B) A CMDB can be utilized during the instantiation of the services to improve service levels for the consumers of IT services.
C) ITaaS promotes the concept of on-demand self-service, allowing consumers to use only the services from which they can derive business value.
D) ITaaS offers an opportunity to evaluate whether certain IT services should be sourced with a public cloud service provider.

Solutions: