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EMC E20-326 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Local Replication Solutions | 20% | - Open Replicator functionality - TimeFinder family overview - Consistency groups and BCVs - TimeFinder/Snap, Clone, and VP |
| Performance & High Availability | 10% | - Multi-site availability design - I/O characteristics and workload analysis - Cache partitioning and tuning - RAID protection design |
| Remote Replication & SRDF | 25% | - Networking and connectivity design - SRDF/Metro and SRDF/DM - Disaster recovery planning - SRDF/Synchronous and SRDF/Asynchronous |
| Symmetrix VMAX Architecture | 25% | - Enginuity operating environment - Hardware components and architecture - FA, DA, and SA director functionality - Cache and memory management |
| Storage Provisioning & Virtualization | 20% | - Thin pools and FAST VP technology - SRP and storage resource management - Device configuration and masking - Symmetrix Virtual Provisioning |
EMC Symmetrix Solutions Design Exam for Technology Architects Sample Questions:
1. A Symmetrix VMAX hosts four applications. Each application is assigned a named dynamic cache partition. Two of the partitions are static and two are flexible. The write pending limit for each partition is set to 60%.
What will happen if an application running in a static partition reaches the write pending limit set for that partition?
A) The write pending limit of the partition will be raised until it reaches 80%
B) Host write activity to that partition will be throttled
C) Cache will be borrowed from a flexible partition
D) Cache will be borrowed from the default partition
2. Which FAST VP control parameter specifies the maximum amount of time over which long term activity rates will decay?
A) Pool Reserved Capacity
B) FAST VP Relocation Rate
C) Initial Analysis Period
D) Workload Analysis Period
3. What is a best practice when configuring a Symmetrix VMAX for optimal performance and cost?
A) A dedicated array with Enterprise Flash Drives (EFD).
B) A dedicated array based upon application requirement.
C) Different drive types are mixed and spread throughout the array.
D) Dedicated engines have appropriate drive types to meet application needs.
4. You have been assigned to gather performance data for a Microsoft SQL server database that will be migrated to a Symmetrix VMAX. Which Perfmon counter must be measured prior to designing a disk layout?
A) Physical Disk\Avg. Disk sec/Write
B) Logical Disk\Disk Write Bytes/sec
C) Logical Disk\Avg. Disk Bytes/sec
D) Physical Disk\Disk Writes/sec
5. What are the main components that make up a virtual provisioning environment?
A) DRVs, CDEVs and a storage pool.
B) Striped Metas, VDEVs and a Thin Pool.
C) TDEVs, TDATs and a Thin Pool.
D) Masking Views, VDEVs and BCVs.
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: D | Question # 3 Answer: C | Question # 4 Answer: D | Question # 5 Answer: C |
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