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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%."
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) Confirm that the configuration of the orchestration engine polls the correct data from the CSP
B) Terminate the contract with the CSP and sign a contract with a public provider that better integrates with the solution
C) Check the details of the service offering and service contract to ensure a pay-as-you-go model is utilized
D) Investigate the pricing units in the accounting model to verify that the utility and activity costs are accurate and current

2. 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) Decrease the number of IaaS offering variations and customization options
C) Standardize on a subset of offerings to meet the needs of most developers and minimize the number of customization options
D) Provide separate resource pools for the application developers and the data scientists and manage the pools separately

3. A large enterprise has several applications deployed in a hybrid cloud. Ever since the hybrid cloud was deployed, the enterprise network operations center has never been able to fully reconcile network and audit logs.
What should be investigated first as the possible source of the issue?

A) Confirm time is synchronized between locations
B) Tenant in-control versus provider in-control differences
C) Exposing management APIs
D) Filtering false positives

4. A hosting company has experienced a sudden increase in customer interest and wishes to implement ITaaS. They are now hosting online shopping applications for several retail computer and electronics companies.
Developers in the customer companies use their own internal credentials and have the ability to publish applications and changes to their stores. Shoppers access these stores using a variety of mobile applications and web browsers.
What should be addressed when migrating to ITaaS and implementing a service catalog for the retail and electronic companies?

A) On-demand resource pool creation
B) Integration with different authentication systems
C) Integration of multiple hypervisors
D) Support for several different CMDB systems

5. During an initial discovery of a company's environment you realize there are applications with unique risk considerations. In anticipation of moving the organization to ITaaS, how should these application security requirements be managed?

A) Adopt the public cloud provider's security standards
B) Identify a unique cloud service provider to host each sensitive application
C) Address security on an application by application basis
D) Implement an intrusion protection system

Solutions: