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A EMC credential still carries real weight in 2026 hiring decisions, and the E20-880 exam is the gatekeeper. Behind 2Pass4sure's EMC VNX Solutions Expert Exam for Technology Architects package stands an expert team that verifies each of the 240 practice questions against what the exam currently tests.
EMC E20-880 Exam Overview:
| Certification Vendor: | Dell EMC |
|---|---|
| Exam Name: | VNX Solutions Expert Exam for Technology Architects |
| Exam Number: | E20-880 |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | 60-70 |
| Related Certifications: | EMC Proven Professional Technology Architect |
| Exam Format: | Multiple Choice, Drag and Drop, Scenario-based |
| Exam Price: | $200 USD |
| Passing Score: | 63% |
| Certificate Validity Period: | 2 years |
| Available Languages: | English |
| Recommended Training: | Storage Performance Fundamentals VNX Unified Storage Performance Workshop |
| Exam Registration: | Dell EMC Education Pearson VUE Registration |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Onsite at Pearson VUE testing centers or online proctored exam |
| Pre Condition: | No formal prerequisites; recommended: 2+ years hands-on experience with VNX architecture, storage performance, and enterprise storage solutions |
| Official Syllabus URL: | https://education.emc.com/_content/_common/docs/exam_descriptions/e20-880_TA_VNX_Solutions_Expert_Exam.pdf |
EMC E20-880 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| VNX Unified Storage Performance | 68% | - Remote replication performance - FAST Cache and FAST VP performance effects - Block storage performance optimization - Workload analysis and performance metrics - Local replication performance - Host and network infrastructure influence - Compression and deduplication impact - Disk types and RAID configuration impact - File system performance considerations |
| Storage Performance Concepts and Tools | 22% | - Benchmarking and analysis tools - Performance measurement metrics and definitions |
| Storage Sizing for VDI Performance | 10% | - Storage allocation types for VDI environments - Desktop count calculation and storage sizing methodology - I/O risk areas in VDI deployments |
Answers to the Most Common Questions About EMC VNX Solutions Expert Exam for Technology Architects
The E20-880 exam is the official EMC exam for EMC VNX Solutions Expert Exam for Technology Architects. Passing it earns you the EMC Proven Professional - Technology Architect VNX Solutions Expert (EMCTAe) credential, which sits at the Expert level. It is also connected to EMC Proven Professional Technology Architect, so what you learn carries over if you plan to pursue those paths as well. Employers treat the certification as verified proof of skill, which is why structured preparation with 2Pass4sure's practice questions pays off.
The E20-880 exam contains 60-70 questions, and the time limit is 90 minutes. Translate that into a pacing plan before exam day: know roughly how long you can afford per item, flag anything that stalls you, and circle back at the end instead of burning minutes. Two or three full timed sessions in 2Pass4sure's test engine will teach you that rhythm far better than untimed reading ever will.
The passing score for the E20-880 exam is 63%, and the official registration fee is $200 USD. Remember that a failed attempt means paying that fee again in full for a retake, so treat self-assessment as part of the budget: run 2Pass4sure's practice questions under timed conditions and only book your seat once your scores sit comfortably above the passing bar.
No formal prerequisites; recommended: 2+ years hands-on experience with VNX architecture, storage performance, and enterprise storage solutions Eligibility details can change, so before you register, confirm the current requirements on the official exam page: https://education.emc.com/_content/_common/docs/exam_descriptions/e20-880_TA_VNX_Solutions_Expert_Exam.pdf.
You can book the E20-880 exam through the official registration channels below:
Exam delivery method: Onsite at Pearson VUE testing centers or online proctored exam.
EMC points candidates to the following official training options:
Once the coursework has built your foundation, the fastest way to turn theory into exam readiness is drilling with 2Pass4sure's 240 practice questions for the EMC VNX Solutions Expert Exam for Technology Architects exam.
Yes. 2Pass4sure offers a free PDF demo of the EMC VNX Solutions Expert Exam for Technology Architects practice questions on the samples page, so you can judge the format and quality yourself before paying anything. Every purchase also includes 365 days of free updates, and after the product expires you can extend the update service at a 50% discount from within your member zone.
If you take the corresponding exam within 60 days of purchase and do not pass, 2Pass4sure backs you with a 100% money-back guarantee. To claim it, submit a scanned copy of your exam enrollment slip together with your official Score Report PDF within 2 days of the exam, and the refund is processed within 7 days. The guarantee does not apply to attempts made within the first 3 days after purchase, to products downloaded without actually sitting the exam, or to free materials and expired orders, and the candidate name must match the payer's name. If you would rather have study material than money, you can instead exchange for two additional exam products of equal value, free of charge, while keeping the update service on your original purchase. Delivery itself is instant: your download is available right after payment and a copy reaches your mailbox within one minute — if nothing arrives within 2 hours, contact customer service. You may install the product on as many computers as you need.
The official EMC VNX Solutions Expert Exam for Technology Architects blueprint is organized into 3 domains. The leading areas are:
- Storage Performance Concepts and Tools — 22% of the exam
- Storage Sizing for VDI Performance — 10% of the exam
- VNX Unified Storage Performance — 68% of the exam
For the complete domain-by-domain breakdown with every subtopic, see the Exam Topics outline above.
EMC VNX Solutions Expert Exam for Technology Architects Sample Questions:
Question 1
Refer to the exhibit.
A customer starts a test running on a thick LUN. The test generates random 4 kB I/Os with a R/W ratio of 2:1. A VNX Snapshot is started on the thick LUN at 09:37. The customer notes a decrease in LUN performance and asks for an explanation.
Which explanation is correct?
A. The read/write ratio changes once a VNX Snapshot is started on a LUN.
B. Write coalescing causes the physical disks to perform longer seeks.
C. New writes are redirected to slices outside of the thick LUN area.
D. Prefetching causes the physical disks to perform fewer seeks.
Question 2
Your customer has an application on VNX File storage. The customer allocated the storage using Manual Volume Management in order to achieve the best performance. The customer noted that the file system used up all of the storage from the File LUNs even though the size of the file system is much less than the total of the File LUNs used.
Why was all of the storage used when the file system was created?
A. The stripe_size flag was set to "yes" but no value was entered when the file system was created
B. The file pool is_dynamic flag is set to "yes" and has taken up all of the LUN space
C. The customer did not change the default_slice_flag to "yes" when creating the file pool
D. Additional LUNs have been used to create the file system because is_greedy is set to "yes"
Question 3
Which is an EMC Best Practice when configuring the High Bandwidth option for Pool LUNs?
A. This option is unsupported for Pool LUNs.
B. Limit use to VNX File OE LUNs.
C. Use with LUNs in multi-tier storage pools.
D. Use only with RAID 5 single-tier storage pools.
Question 4
Refer to the exhibit.
What can be concluded from the exhibit about the I/O profile of LUN 600?
A. I/Os are too big for prefetch.
B. Reads are being prefetched.
C. Read access is random.
D. Read access is sequential.
Question 5
What is the main reason MirrorView/S has a lower effect on CPU utilization compared to MirrorView/A?
A. No CoFW activity
B. Low transfer rates
C. Low CoFW activity
D. High transfer rates
Solutions:
| Question 1 Answer: C | Question 2 Answer: C | Question 3 Answer: A | Question 4 Answer: C | Question 5 Answer: A |
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