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

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) Federated
B) XML
C) Linked VPNs
D) Reverse proxy servers

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

3. In addition to the service template, what other information do you need to create a service offering?

A) Rules, constraints, and limits
B) Policies, constraints, and rules
C) Rules, constraints, and orchestration
D) Policies, rules, and orchestration

4. 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.
Which product would you recommend to help the company improve their response to threats such as this, and why?

A) VMware vCenter Operations, for its real-time monitoring of log and event data
B) RSA NetWitness Panorama, for its real-time monitoring of log and event data
C) RSA NetWitness Panorama, for its performance monitoring of web servers
D) VMware vCenter Operations, for its performance monitoring of web servers

5. An enterprise decided to place some sensitive data - intellectual property - in the public cloud and implemented security mechanisms to protect this data.
Recently the public cloud provider's systems had a security breach. The enterprise was not concerned because they felt their data had been completely protected. All of the services housing the data are protected by an IPS application and no alerts were generated by the system.
How did the enterprise protect its data?

A) The data was not encrypted but the enterprise maintained a backup of the data in a secure off-
site location.
The cloud provider's logs showed that the enterprise's services were not copied.
B) All data in the public cloud environment was encrypted in-transit only. The encryption keys were
under complete control of the enterprise and were not available to the public provider.
The cloud provider's logs showed that the enterprise's services were neither accessed nor copied.
C) All data in the public cloud environment was encrypted at-rest and in-transit. The encryption
keys were under complete control of the enterprise and were not available to the public provider.
The cloud provider's logs showed that the enterprise's services were copied.
D) All data in the public cloud environment was encrypted at-rest and in-transit. Copies of the
encryption keys were secured by the public cloud provider using 1024-bit encryption.
The cloud provider's logs showed that the enterprise's services were neither accessed nor copied.