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

1. An organization is expanding its private cloud to a hybrid deployment to accommodate growth in its web / database application. The CIO is concerned about the security risks associated with the public cloud. They do not view firewall security as adequate to protect important company data. Encryption is being considered as a security measure.
As the cloud architect, what would you recommend?

A) Utilize application encryption.
Tell the CIO that the level of control is very granular, and developer resource requirements are
minimal.
B) Utilize database encryption.
Tell the CIO that the level of control is very granular, but substantial developer resources are
required.
C) Utilize application encryption.
Tell the CIO that search look-ups can be resource intensive.
D) Utilize database encryption.
Tell the CIO that search look-ups can be resource intensive.

2. The sales organization within a large enterprise has determined the need to immediately implement a mobile sales tool for its field staff. There are two SaaS solutions available that meet their requirements.
The CIO wants to develop the solution in-house and claims that IT can develop the application at only slightly more cost than the SaaS solutions, and it would be more secure. Estimated time to deliver the application from internal IT is 10 weeks.
Who should make the decision to determine the best solution?

A) IT Strategy Committee
B) Board of Directors
C) IT governance bodies
D) Architecture Committee

3. Refer to Scenario 7.
-- Exhibit -
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%.
-- Exhibit -
To test the functionality of the new infrastructure, a load simulator is used to increase utilization on the servers. At 80% utilization, the orchestration tools provision the required resources in the public cloud. However, the utilization on the private cloud resources continues to increase, while the utilization on the public cloud resources remains at 0%.
What is the most likely cause of this problem?

A) The wrong subnets are configured across the network link
B) The local load balancer is not being updated with the new service information
C) The wrong VLANs are configured across the network link
D) The global load balancer is not being updated with the new service information

4. 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) Orchestration gaps report
B) Service gaps report
C) Technology gaps report
D) Automation gaps report

5. 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) SCIM
B) LDAP
C) OpenID
D) OAuth

Solutions: