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

1. An IT security team is concerned about the authentication traffic patterns that may be required to integrate the private and public clouds. As a result, IT has elected to federate their active directory using ADFS from the private cloud to the public cloud.
One of the design decisions is whether to use a Layer 2, 3, or 7 firewall / switch mechanism between the public and private clouds. There are trade-offs with each choice.
Which network layer would best address this situation, and why?

A) Layer 7, because it allows control at the application layer and is policy driven.
B) Layer 2, because it provides the best performance and it is easy to isolate problems.
C) Layer 3, because it allows segment isolation while still providing high performance levels.
D) Layer 2, because it provides the simplest configuration to manage and it is easy to isolate and troubleshoot problems.

2. Refer to Scenario 3.
A US company has deployed web services within a private cloud. They wish to provide additional web services elastically and distribute them around the globe using a public cloud provider.
The web services have a dependency on a database resource in the private cloud. The web services are deployed through a service catalog as a standardized service offering, which includes an intrusion prevention system that periodically polls a central management server for security updates. The IPS management server is located within the private cloud.
The web services collect highly regulated personal health information about consumers who are located around the world.
What would be the best solution for protecting the personal health information collected in the web service?

A) Locate the database in the private cloud. Ensure that the database server complies with FERPA regulations.
B) Store the data on each web server in an encrypted format. Audit for different compliance rules depending on geographical location of the web service.
C) Transmit and store the data in an encrypted format. Locate the database in the private cloud. Ensure that the database server complies with HIPAA regulations.
D) Store the data on each web server in an encrypted format. Ensure HIPAA compliance across all geographical locations.

3. Which solution would the RSA Cloud Trust Authority recommend to monitor corporate compliance for a hybrid cloud infrastructure?

A) RSA Archer eGRC Platform
B) RSA Federated Identity Manager
C) VMware vShield App with Data Security
D) RSA Data Loss Prevention (DLP)

4. Refer to Scenario 1 below.
An IT department is offering 50 Service Offerings in their service catalog to meet all the application developers' needs. Many of the variants have a very small number of associated instantiations. A "big data" platform is offered and being actively utilized by a team of data scientists.
All services are sourced from within the private cloud. The developers are able to customize the platform's compute, storage, protection and network configuration upon instantiation. They can also provision additional resources after the initial instantiation through an upgrade service within the catalog. Because of the culture of the organization, no chargeback mechanism is implemented.
What can the IT department do to resolve problems (b) and (d)?

A) Meter usage patterns and implement a showback mechanism to influence consumer behavior when choosing specific resources
B) Standardize on a subset of offerings to meet the needs of most developers and minimize the number of customization options
C) Decrease the number of IaaS offering variations and customization options
D) Provide separate resource pools for the application developers and the data scientists and manage the pools separately

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 first day of increased usage, the network link between your data center and the CSP fails due to an external problem. You need to design an alternate solution to prevent degradation in the service offering.
Which solution would provide the best performance for the end user?

A) Deploy a global load balancer and change the IP addresses for the servers in the public cloud
B) Change the configuration of the local load balancer and retain the IP addresses on the servers in the public cloud
C) Deploy a global load balancer and retain the IP addresses on the servers in the public cloud
D) Change the configuration of the local load balancer and change the IP addresses for the servers in the public cloud

Solutions: