EMC E20-918 : IT-as-a-Service Expert Exam for Cloud Architects

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EMC E20-918 Exam Syllabus Topics:

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

Question 1

A large service provider is designing a solution to protect itself against malicious content, such as viruses in a SOAP attachment, and denial of service attacks.
Which type of firewall is most appropriate for their needs?

A. Reverse proxy servers
B. Federated
C. Linked VPNs
D. XML

Question 2

A company is deploying a major new business application. The company has difficulty managing the software development lifecycle. As a result, the time from generating requirements to operational delivery is significant.
Which best addresses the company's need for shorter release cycles and better code quality?

A. Implement common collaboration tools
B. Transition to a DevOps culture
C. Use of common automation and orchestration processes
D. Utilize configuration management methodologies

Question 3

Refer to the exhibit.

You have been hired to assist with a migration to an ITaaS environment. The company has offices
in Atlanta, Dubai, and London, with 5000, 2000, and 3000 employees, respectively. A data center exists in each location, and most services have been virtualized. Messaging services are provided locally to the user.
You have just performed an assessment of the environment. The results are shown in the exhibit.
The CIO is interested in closing one of the data centers and migrating some or all of the services to a public cloud service provider (CSP). Any services that do not get migrated to the CSP will be hosted at one of the other two data centers. Network latency averages 8 milliseconds between the Atlanta and London offices, and 10 milliseconds between the London and Dubai offices. Traffic between Atlanta and Dubai is routed through London.
The eCommerce application is external facing and is hosted at all three data centers. Atlanta services 50% of the users in North and South America. London services 40% of the users in Europe and Asia. Dubai services 10% of the users in Africa and Australia.
You have tentatively chosen a CSP that is housed in Frankfurt, and would have access to 3 Gb/s of network bandwidth to the facility. The CSP's service levels are as follows:
-RPO: 4 hours -RTO: 1 hour -Availability: 99.995%
Your recommendation is to close the Dubai data center over a one-year time horizon.
What migration strategy would you recommend for the services that are currently hosted in the Dubai data center, and why?

A. eCommerce to the public cloud; Messaging to Atlanta; CSP cannot support the bandwidth requirements for Messaging, and latency will be less from Atlanta
B. Messaging to the public cloud; split eCommerce between London and Atlanta; CSP cannot support the availability for eCommerce
C. eCommerce to the public cloud; Messaging to London; CSP cannot support the bandwidth requirements for Messaging, and latency will be less from London
D. Messaging and eCommerce to the public cloud; CSP can support availability and bandwidth requirements for both applications

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

Question 5

The line of business (LOB) Services Product Manager has asked you to implement a solution that monitors the actual resource utilization of your company's private cloud infrastructure.
This solution should gather actual statistics of utilization and relate them back to the actual infrastructure costs to show the realized cost to run the vApp within the company's private cloud.
Which software solution would best fit the requirements of the LOB Services Product Manager?

A. VMware vCenter Operations
B. VMware vCloud Director
C. VMware vCenter Configuration Manager
D. VMware vCenter Chargeback

Solutions: