Vendor: EMC
Exam Code: E20-880
Exam Name: VNX Solutions Expert Exam for Technology Architects
Certification: EMC Certifications
Total Questions: 240 Q&A
Updated on: Jun 13, 2026
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If your goal is to prepare for the EMC Certifications exam with clarity and efficiency, you can begin a structured preparation process designed around real exam expectations.
Your customer recently upgraded their IP switch hardware. Since the upgrade, the customer is experiencing performance degradation on certain NFS exports configured on a VNX for File storage system. The file systems providing the problem exports are all mounted to DataMovers that have been attached to ports on the new switches as part of the upgrade. They have engaged you for advice.
Which action would you recommend?
A. Check for duplex mismatch
B. Change MTU size
C. Change write-aside value
D. Check for speed mismatch
Which Unisphere Analyzer metric would you compare with read cache hit/s to determine whether an application's read IO access pattern is random or sequential?
A. Read Throughput
B. Average Busy Queue Length
C. Response Time
D. Prefetch Bandwidth
Your customer is new to Unisphere Analyzer and wants to know which chart should be used to identify how SP utilization relates to the increased IO on LUNs being used their Oracle application.
What Analyzer chart would give the customer the requested information?
A. Detail
B. Survey
C. Summary
D. IO Size Distribution
The following table comprehensively analyzes the quality and value of EMC Certifications E20-880 exam materials.