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

1. Refer to Scenario 1.
"
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.
Within six months, IT experiences these problems:
(a). Developers are complaining of poor and inconsistent performance
(b). Resource utilization has far exceeded expectations
(c). The environment has become very complex
(d). Since the resource pools are shared throughout the organization, IT has been unable to identify usage patterns, making capacity planning very difficult"
What can the IT department do to resolve problem (c)?

A) Offload the "big data" IaaS platform to a public service provider
B) Standardize on a subset of offerings to meet the needs of most developers and minimize the number of customization options
C) Implement a showback mechanism to influence consumer behavior when choosing specific resources
D) Provide separate resource pools for the application developers and the data scientists and manage the pools separately

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.
Which solution would you recommend to best support the web service high availability and minimize service network latency for the consumer?

A) Use a content delivery network to distribute static web content.
B) Implement a Layer 7 firewall within the public cloud to filter out unnecessary traffic.
C) Implement a QoS policy that provides a higher priority to http traffic.
D) Implement a global load balancing service as a front-end for the web services.

3. You have been hired by a large, global manufacturing company to conduct a consolidation assessment.
During the interview process, you determine which applications are most important to the business. Key performance metrics are also collected. You also find:
-Some applications see little or no use -SLAs for mission critical applications are 99.99% -Corporate email is considered proprietary and confidential information -Country specific regulations apply to certain applications
What should you use to determine proper application placement?

A) Application level gap analysis
B) Workload analysis for right-sourcing
C) Cloud security alliance controls matrix
D) Cloud services assessment

4. A manufacturing company hired you to help them in their journey to a hybrid cloud. You conduct an assessment and recommend migrating several existing Tier 2 applications to a public cloud provider. You must work within the following constraints:
-Migration can be performed only during weekends -Only limited downtime is acceptable -The configuration of the host and applications cannot be changed -The company needs to keep the costs as low as possible -Although there are no specific performance requirements, they are concerned about the quality
of the user experience
Which solution best addresses these needs?

A) Layer 3 connection over Internet with WAN optimization
B) Layer 3 connection over Internet with QoS
C) Layer 2 extension with VPN connection over Internet with WAN optimization
D) Layer 2 extension with dedicated link and WAN optimization

5. The first phase of new ITaaS service introduces the offering to 10% of the engineering organization. The IT organization leverages the management tools used in their traditional data center processes to provide visibility into silos and control of the infrastructure. They also have adapted some ITSM concepts as a framework for their management practices.
During the initial phase of the service deployment, a problem was encountered in one of the VMs.
The IT organization is concerned about the extensive amount of time and resources spent determining the cause of the issue.
What is the most likely reason it takes more time than expected to resolve the problem?

A) The complex nature of orchestration and automation makes problem identification and root cause analysis unlikely.
B) The legacy management tools do not have the capability to provide a holistic view of the service instance
C) The expertise of the service desk personnel is inadequate to properly handle service related issues
D) The cultural hurdles that span organizational silos have not been addressed and resolved.

Solutions: