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EMC Symmetrix Solutions Expert Exam for Technology Architects Sample Questions:

1. When designing a VMware cluster, which VM storage adapter reduces CPU utilization and allows high I/O throughputs?

A) Paravirtual SCSI
B) LSI Logic Parallel
C) LSI Logic SAS
D) BusLogic Parallel

2. A company has a VMware vSphere 5.0 ESXi host using NUMA. This host is experiencing poor performance. Which BIOS settings on the ESXi host could help alleviate this performance issue?

A) Disable Node Interleaving
B) Enable HyperThreading
C) Disable HyperThreading
D) Enable Node Interleaving

3. You are designing a Symmetrix VMAX Virtual Provisioning solution for a VMware vSphere environment. What format does EMC recommend when creating a virtual disk for a Virtual Machine?

A) 2gbsparse
B) zeroedthick
C) eagerzeroedthick
D) thin

4. A company is investigating memory issues with a VMware vSphere implementation. How would the company determine if there are memory issues at the host level when monitoring through a vSphere vCenter Server?

A) Check Memory Balloon Activity
B) Check Consumed Memory level
C) Check Swap-in level
D) Check Active Memory level

5. A customer reports their hosts are performing slowly after migration to a new VMAX array.
You review performance data from the VMAX and note the following:
-I/O sizes are 16 KB.
-The front-end director ports are operating at 1 GB auto-negotiate.
-Several front-end director ports are approaching 100% utilization.
-A few director ports show little or no utilization.
What do you advise the customer?

A) Rebalance the hosts across all available FA ports and consider setting the front-end director ports to 2 GB or higher.
B) Reduce the number of hosts that are accessing the VMAX and consider implementing iSCSI connectivity.
C) Add more HBAs to each host accessing the VMAX and consider setting the host I/O size to 8 KB or less.
D) Rebalance the hosts across all available FA ports and consider upgrading the SAN switch ports to 2 GB or higher.

Solutions: