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

1. A cloud service provider has just delivered a presentation to your organization. During the ROI section of the presentation the vendor described how their predefined service catalog would dramatically reduce service commissioning timing and guarantee a consistent user experience. However, the presenter did not attach a direct financial value to the service catalog.
You are helping to create an initial justification report for the organization. How could you categorize the non-financial benefits of the service catalog?

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

2. A company has deployed a fully operational, private PaaS service. The service catalog links to an orchestration engine that builds servers automatically.
What is the primary reason the IT security risk team is proposing the use of strong authentication for all service catalog users?

A) Because the catalog is used to define resource pools, an unauthorized user could impact the production systems.
B) Because the catalog is used to define service contracts, an unauthorized user could adjust service level agreements.
C) Because the catalog is responsible for the authentication of users who manage the CMDB, they must be strongly authenticated.
D) Because the catalog triggers orchestration actions, an unauthorized user can trigger a denial of service attack.

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

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

4. 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 to both the credit card processing system and to private cloud for historical tracking and reporting only.
B) 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.
C) 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.
D) 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.

5. 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

Solutions: