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

1. An organization plans to migrate a single application from a traditional, physical infrastructure to new servers. These servers are the first of several planned for their VDC. This will be the pilot application for the VDC migration to be completed over the next 5 years. The project is well funded and the VDC has more than enough capacity to support the pilot application.
Which migration strategy will they most likely use and why?

A) A phased approach, because they can keep the old systems running in parallel and they have the capacity to run in either the VDC or traditional data center as needed should something go wrong.
B) A phased approach, because this allows them to re-purpose the old servers and add those resources to the new VDC immediately.
C) A forklift approach, because this allows them to re-purpose the old servers and add those resources to the new VDC immediately.
D) A forklift approach, because they can keep the old systems running in parallel and they have the capacity to run in either the VDC or traditional data center as needed should something go wrong.

2. From a virtualization capacity perspective, what are the top issues?

A) Forecasting, allocating, timing
B) Awareness, optimization, prediction
C) Fault tolerance, monitoring, automation
D) Allocation, management, monitoring

3. You are designing a new VDC and are planning to use iSCSI for storage connectivity from the hypervisors. The network infrastructure is 10 Gigabit Ethernet, and the hypervisor hardware can support only two NICs. Your networking design on the hypervisor must provide the highest level of performance, security, and fault tolerance.
What should you recommend?

A) Bond the NICs together and connect them to different access layer switches. Configure a separate VLAN for the iSCSI traffic.
B) Leave the NICs independent and connect them to different access layer switches. Use the same VLAN for SCSI traffic as for management traffic.
C) Bond the NICs together and connect them to different access layer switches. Use the same VLAN for SCSI traffic as for management traffic.
D) Leave the NICs independent and connect them to different access layer switches. Configure a separate VLAN for iSCSI traffic on each NIC.

4. As part of a VDC design, you configured a number of hypervisor clusters that require a nonroutable network to accommodate data transfers for online VM migrations and cluster heartbeats. However, some of the clusters contain sensitive data that should not be accessible by hypervisors in any other cluster. The design recommends using Private VLANs to isolate each cluster's private network traffic.
The network administrator has created a Primary VLAN, and asks you how the Private VLANs should be configured. How should you instruct the network administrator to proceed?

A) Configure a Community Private VLAN for each cluster, and configure the gateway port in the Primary VLAN.
B) Configure an Isolated Private VLAN for each cluster, and configure the gateway port in the Primary VLAN.
C) Configure a Community Private VLAN for each cluster.
D) Configure an Isolated Private VLAN for each cluster.

5. You are planning to deploy a virtualized application in a high-availability configuration with automated VM restart on a hypervisor cluster. Your sizing estimates show that peak workload conditions will saturate the processing power of five hypervisor servers.
To meet the SLA, N+1 redundancy is required on the hypervisor servers, with server utilization not to exceed 85% under any conditions.
What is the minimum number of nodes that you should configure in the hypervisor cluster?

A) 5
B) 7
C) 8
D) 6

Solutions: