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EMC E20-326 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Performance and Optimization | - Tuning and optimization strategies
|
| Business Continuity Design | - High availability architecture
|
| Storage Provisioning and Management | - LUN provisioning and masking concepts
|
| Symmetrix / VMAX Architecture | - Storage array hardware and scalability concepts
|
| Data Protection and Replication | - Local replication technologies
|
EMC Symmetrix Solutions Design Exam for Technology Architects Sample Questions:
1. You are designing an SRDF/S solution. Network bandwidth can be purchased in increments of single OC3 (155 Mb/s) links. Data compression is not in use. The workload profile is as follows:
Total I/Os per second = 30,000
Read block size = 4 KB
Write block size = 4 KB
Writes = 30%
How many OC3 links should be recommended?
A) 4
B) 8
C) 2
D) 6
2. What is the impact on response time when multiple concurrent writes to an RDF device arrive from different FA ports on a Symmetrix VMAX?
A) Response time is mostly determined by the application write behavior.
B) Writes need to be finished before new writes arrive and negatively impacts response time.
C) Writes can run in parallel and response time is slightly improved.
D) Concurrent SRDF/S writes will not help to improve response time.
3. A customer is using virtual provisioning on a Symmetrix VMAX which is being shared for Production and non-production workloads.
What can be used to separate the different workloads?
A) Symmetrix Priority Controls
B) Dynamic Cache Partitioning
C) Write Pending Limit
D) FAST VP
4. You are designing a Symmetrix VMAX Virtual Provisioning solution for a VMware vSphere environment. Storage allocation must be guaranteed for some mission critical virtual machines.
Which format should be recommended when creating virtual disks for these mission critical virtual machines?
A) 2gbsparse
B) thin
C) zeroedthick
D) eagerzeroedthick
5. What is best practice for binding thin devices in a FAST VP environment?
A) Bind all devices to a thin pool within the lowest tier available.
B) Bind all devices to a pool within the highest tier available.
C) Bind all devices to a thin pool within the second highest tier.
D) Bind thin devices only to pools that show sufficient Pool Reserved Capacity.
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: C | Question # 3 Answer: B | Question # 4 Answer: D | Question # 5 Answer: C |

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