Exam Name: VNX Solutions Expert Exam for Technology Architects
Certification Provider: EMC
Corresponding Certification: Technology Architect
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EMC E20-880 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Storage Performance Concepts and Tools | 22% | - Benchmarking and analysis tools - Performance measurement metrics and definitions |
| Topic 2: VNX Unified Storage Performance | 68% | - FAST Cache and FAST VP performance effects - Workload analysis and performance metrics - Remote replication performance - Host and network infrastructure influence - Block storage performance optimization - Compression and deduplication impact - Local replication performance - File system performance considerations - Disk types and RAID configuration impact |
| Topic 3: Storage Sizing for VDI Performance | 10% | - I/O risk areas in VDI deployments - Desktop count calculation and storage sizing methodology - Storage allocation types for VDI environments |
What to Know About Our EMC VNX Solutions Expert Exam for Technology Architects Material
The EMC VNX Solutions Expert Exam for Technology Architects exam requires a score of 63% to pass, and the official registration fee is $200 USD. Knowing both numbers before you register keeps your preparation budget realistic.
The EMC VNX Solutions Expert Exam for Technology Architects practice questions are organized around the official exam objectives. Key topics include:
- VNX Unified Storage Performance (68%)
- Storage Performance Concepts and Tools (22%)
- Storage Sizing for VDI Performance (10%)
A systematic pass through these topics covers the syllabus end to end.
You can register for the EMC VNX Solutions Expert Exam for Technology Architects exam through the official channels:
No formal prerequisites; recommended: 2+ years hands-on experience with VNX architecture, storage performance, and enterprise storage solutions
You can confirm the current eligibility requirements on the official E20-880 exam page before you register.
Our experts review the question bank every day, and whenever a new version is released, our system sends it to your email automatically — no request needed. If an update ever seems to go missing, check your junk or spam folder first, since automated messages occasionally land there; contact us if it truly never arrived.
Many candidates combine practice questions with official training. Recommended options include:
The EMC VNX Solutions Expert Exam for Technology Architects exam contains 60-70 questions, and you will have 90 minutes minutes to complete them. Practicing under these exact constraints makes the real exam feel like one more rehearsal.
Yes. If anything about the updated material or your preparation is unclear, you can contact our experts directly after purchase. They will work through your question and offer professional advice on how to approach the material, so the product comes with guidance, not just files.
This package includes 240 practice questions for the EMC VNX Solutions Expert Exam for Technology Architects exam. Every answer is verified by an experienced team of experts, so you can trust what you study.
EMC VNX Solutions Expert Exam for Technology Architects Sample Questions:
A customer is using a virtualized environment with a large number of NFS datastores presented from a VNX system. They are experiencing more than expected network traffic on their datastore networks.
According to EMC best practices, what recommendation should you make to your customer?
- A. Make sure that the NFS and VMKernel traffic is consolidated onto the same virtual switches.
- B. Enable NFS write cache for all NFS datastores.
- C. Adjust NFS.ReadBufferSize and NFS.SendBufferSize to 64.
- D. Ensure that all VMware file systems are thin provisioned to improve NFS write I/O.
Correct Answer: C 🗳️
You received a call from a customer asking to help troubleshoot why they cannot select dvols using MVM from their remaining pool LUNS to create a stripe volume.
What could be a reason for this?
- A. LUNs must be on the same SP
- B. All Thin LUNs must be used first
- C. LUNs must not exceed 18 TB in size
- D. All Thick LUNs must be used first
Correct Answer: D 🗳️
Seven users are trying to simultaneously read different parts of the same file from their VNX for File storage system. All parts of the file are located on the same physical disk. I/O from each of the users is sent sequentially to the array.
Which type of I/O workload is likely to be reported by the storage array?
- A. Sequential I/O
- B. Random I/O
- C. Single-threaded I/O
- D. Pre-fetched I/O
Correct Answer: B 🗳️
You have designed a VNX for File implementation for a customer data environment that involves a high level of data duplication. The customer is concerned with disk efficiency, and you have designed the system with the minimum number of disks necessary to meet expected storage needs after deduplication.
The customer is initially pleased with the implementation. The decision is made to add a cycle of SnapSure Checkpoints for backup and recovery purposes. Within weeks, deduplication automatically aborts.
What would you recommend to get deduplication working again?
- A. Use more, smaller Checkpoints
- B. Change the quota policy to file size
- C. Decrease the auto-extension high watermark to 50%
- D. Disable SnapSure auto-extension and manually manage SavVols
Correct Answer: D 🗳️
Refer to the exhibit.
Which process is illustrated in the exhibit?
- A. FAST VP policy change
- B. FAST VP slice relocation
- C. FAST Cache writeback
- D. FAST Cache warmup
Correct Answer: D 🗳️
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