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EMC E20-326 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Capacity Planning and Sizing | - Tool usage for sizing (Tier Advisor, Performance Analyzer) - Capacity analysis methods |
| Implementation Best Practices | - Unified connectivity and host configurations - Zoning and fabric considerations |
| Symmetrix Architecture and Storage Design | - Symmetrix/VMAX hardware and components - Storage pool and RAID configurations - Performance considerations and workload planning |
| Data Protection and Replication Design | - Backup and continuity solution integration - TimeFinder and local protection strategies - SRDF/S and SRDF/A replication |
EMC Symmetrix Solutions Design Exam for Technology Architects Sample Questions:
When working with Fibre Channel connectivity, which statement is correct about buffer credits?
- A. Insufficient BB_Credits will result in the degradation of throughput over long distance links.
- B. BB_Credits are not needed with long distance links.
- C. BB_Credits should be minimized so they do not affect throughput over long distance links.
- D. BB_Credits should be used with long distance links, but do not affect throughput.
Correct Answer: A 🗳️
A Symmetrix VMAX is configured with FAST DP. It contains three tiers of storage:
1.200 GB RAID 5 (3+1) EFD
2.300 GB RAID 1 15K RPM Fibre Channel
3.1 TB RAID 6 (6+2) 7200 RPM SATA
The storage administrator would like to charge each department that uses the VMAX for the amount and class of storage they use. Which FAST policy would best lend itself to the chargeback system?
- A. Tier 1: 20% Tier 2: 40% Tier 3: 50%
- B. Tier 1: 50% Tier 2: 50% Tier 3: 50%
- C. Tier 1: 10% Tier 2: 60% Tier 3: 30%
- D. Tier 1: 100% Tier 2: 100% Tier 3: 100%
Correct Answer: C 🗳️
Refer to the exhibit.
A customer has a Symmetrix VMAX storage array configured with FAST VP using three storage tiers. Policies are active for all storage groups on the array. The array has been in service for over 30 days.
When using Unisphere for VMAX to check, the customer notices no active ingress and egress of extents for the EFD tier. The current configuration of FAST is shown in the exhibit.
Which parameter should be changed?
- A. Data Movement Mode
- B. Min Initial Workload Period
- C. Workload Analysis Period
- D. FAST VP Data Movement Mode
Correct Answer: D 🗳️
What is the minimum recommended amount of CLARiiON performance data that should be used for Tier Advisor analysis?
- A. 1 day
- B. 5 hours
- C. 4 hours
- D. 1 week
Correct Answer: B 🗳️
You are designing a new disaster recovery solution with VMAX arrays. During the initial project kick-off meeting, the customer reports their environment can tolerate five minutes or less of data recovery following a disaster but have not yet determined the maximum allowable downtime for their applications.
The customer asks which remote replication methods you recommend for their environment.
What do you recommend?
- A. Recommend the disaster recovery solution as described in the Sales Order.
- B. Recommend the disaster recovery solution described in the Statement of Work.
- C. Defer making a recommendation until the application RPO in known.
- D. Defer making a recommendation until the application RTO is known.
Correct Answer: D 🗳️
