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EMC E20-816 Exam Syllabus Topics:

EMC Symmetrix Solutions Expert Exam for Technology Architects Sample Questions:

1. A customer is implementing a new ESXi cluster and will be provisioning 50TB of storage from Symmetrix Pool Storage. The size of the LUNS being presented is 150GB. Based on EMC Best Practices, on how many storage ports should LUNS be presented?

A) 5
B) 4
C) 3
D) 2

2. A customer is experiencing heavy memory utilization on an ESXi host that may be causing performance problems. Which VMware memory management technique will allow virtual machines to de-allocate its memory when physical ESXi RAM is insufficient?

A) Memory Compression
B) Memory swapping
C) Transparent Page Sharing
D) Memory Ballooning

3. A colleague is demonstrating the VMAX virtual LUN migration feature. They configure four test devices to move from FC RAID 5 volumes to SATA RAID 6 volumes and start the migration. The colleague reports the LUN migration moves very slowly and appears to stop during peak processing times.
What is the likely cause of the issue?

A) They are attempting to migrate too many volumes at once.
B) The VMAX is reaching system write pending limits.
C) FAST VP is interfering with virtual LUN migration processes.
D) The target volumes are the same size as the source volumes.

4. Click on the calculator icon in the upper left corner.
A customer is implementing an Exchange environment on an EMC Symmetrix VMAX. The environment will be deployed on 600 GB FC 15K drives using RAID 1 data protection. The application generates 1350 I/O per second and has a 2:1 read/write ratio.
What is the minimum number of drives recommended to support the application?

A) 16
B) 8
C) 30
D) 12

5. Cascaded SRDF is running in SRDF/A mode from the source (R1) site to the disk-based secondary (R21) site. Which SRDF mode is permitted between the R21 and the R2 sites?

A) Synchronous
B) Adaptive Copy Write Pending
C) Asynchronous
D) Adaptive Copy Disk

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