EMC Cloud Architect E20-918

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

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

2. A health care provider is determining the best chargeback model for their organization. Their requirements are:
-Simple to measure -Operational costs should be amortized over a specific time period -Charges should be divided among the lines of business
Which chargeback model satisfies these requirements?

A) Fixed-cost
B) Subscription-by-peak-usage
C) Variable-cost
D) Subscription-by-time

3. 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) Architecture Committee
C) IT governance bodies
D) Board of Directors

4. The marketing line of business of an enterprise 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 loosely coupled design and have no content dependencies on any resources in the private cloud. They are created from a standard PaaS template, 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. No layer 2 connectivity exists between the private and public clouds. The consumers of these web services are distributed across the globe.
Which solution would you recommend to best support the web service elasticity and to minimize service network latency for the consumer?

A) Increase bandwidth between the private cloud and the Internet.
B) Implement an encrypted VPN tunnel between the private and public clouds.
C) Deploy a central database server to consolidate web service content.
D) Implement a global load balancing service as a front-end for the web services.

5. A company with a very high virtualization percentage decided to move to a cloud architecture. They hired a cloud service provider (CSP) to provide infrastructure on demand. The company moved the web front-end of a tightly coupled service to the CSP. Now users are complaining about slow response and timeout errors when accessing some of the web based applications.
What is the most likely reason for this issue?

A) The company data center and the CSP do not have Layer 2 extension
B) Users are not in the same Layer 2 domain as the CSP
C) The company data center and the CSP do not have Layer 3 connectivity
D) One or more web server dependencies were not moved together to the CSP

Solutions: