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EMC Virtualized Data Center and Cloud Infrastructure Design Specialist Sample Questions:

1. When surveying an existing application environment to free up resources, which type of systems should be initially identified?

A) Systems whose data can be comingled
B) Systems that can be migrated easily to a virtual environment
C) Systems that can be combined, replaced, or obsoleted
D) Systems that have minimal GRC or security requirements

2. A criminal act is committed by one of the tenants in a multi-tenant environment where customer data also resides.
What would be a key design recommendation to minimize risk of exposure to the customer data in this situation?

A) Physically separate storage
B) Sufficient data isolation
C) Restrictive file permissions
D) Physically separate servers

3. As part of a VDC deployment, you are examining the existing storage configurations. On one storage system, you discover over fifty storage pools. The pools contain a single type of drive (SSD, SAS or NL SAS), but many of them contain only a few drives and share the same RAID configuration. The Storage Administrator admits that they have been creating separate pools for each application because they did not want the applications contending for the disks.
As part of the design, you propose to consolidate the existing pools into larger pools of mixed drive types and RAID configurations.
What technology will you need to implement to utilize the new pool design?

A) Caching Tier
B) Virtual Provisioning
C) Storage Virtualization
D) Storage Tiering

4. Governance, risk, compliance, and security are all related and yet they differ.
Which two attributes are governance attributes?

A) IT, business exposures
B) Organizational structures, processes
C) Confidentiality, integrity
D) Access to information, enforcement

5. You are meeting with the CIO to discuss your VDC design. They the amount of capital that is being invested in iSCSI adapters. They state that, because of the number of adapters required, it is more cost-effective to purchase 10 Gigabit Ethernet NICs and use the integrated hypervisor software stack.
How should you justify the increased cost of the iSCSI Adapters?

A) iSCSI adapters can use Jumbo Frames, providing improved performance for storage traffic. The hypervisor software stack cannot use Jumbo Frames, resulting in poorer performance.
B) Using NICs and the software stack will increase CPU load on each hypervisor, requiring more hypervisors to deliver the same performance levels. This will result in additional hardware and licensing costs.
C) iSCSI adapters can encrypt iSCSI frames, preventing unauthorized access to the data. The hypervisor software stack cannot encrypt iSCSI frames, leaving the data vulnerable.
D) Using NICs and the software stack will require additional NICs for each hypervisor to deliver the same throughput. To obtain the additional PCIe slots for the NICs, larger form-factor servers will be required, increasing hardware costs.

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