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

1. You are a Cloud Architect working with a large financial services company. They currently have a large, hybrid cloud that includes multiple CSPs. The company recently suffered a breach on some of their web servers hosted at one of the CSPs and were not alerted to it.
Why might you recommend RSA NetWitness Panorama as a solution for the company?

A) It can scan VMs and apply security policies to them.
B) It offers real-time monitoring and analytics.
C) It automatically remediates VMs based on known threats.
D) It monitors performance and reports on unusual spikes.

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

3. A marketing company is using a Customer Relationship Management SaaS. The SaaS provider has deployed hardware load balancers to distribute users between application servers. User login states are preserved in the load balancer. Subsequent login requests direct each user to the same application server. If the server is unavailable or too busy, the user cannot log on.
Although the company is very happy with the SaaS cost savings they are unhappy with application availability. To improve application scalability the SaaS provider added new servers to the environment. Users, however, are still experiencing the same problem.
Which service characteristic should the SaaS provider implement to improve the user log-on reliability and scale application performance?

A) Autonomy
B) Reusable
C) Stateless
D) Abstraction

4. An enterprise wants to deploy a single sign-on solution to utilize within their private cloud environment. Their developers are experienced with the REST protocol, and they have a large number of interns that are employed May through August every year.
Their primary goal is to build a solution that utilizes the REST protocol. Their secondary goal is to be able to bulk load credentials for the interns into the system each year.
They have asked you to review the offerings from two identity providers. The results of your analysis are shown below:
-Provider A supports OpenID and OAuth -Provider B supports OAuth and SCIM
Which provider would you recommend, and why?

A) A, because it satisfies the primary goal
B) B, because it satisfies the primary goal
C) A, because it satisfies both the primary and secondary goals
D) B, because it satisfies both the primary and secondary goals

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

Solutions: