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- Total Questions: 70
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Certification exams change, and study material has to change with them. In 2026, Lead2PassExam continues to refresh its DES-1423 practice questions, and every EMC Specialist - Implementation Engineer, Isilon Solutions purchase includes 365 days of free updates.
EMC DES-1423 Exam Overview:
| Certification Vendor: | Dell EMC |
|---|---|
| Exam Name: | Specialist - Implementation Engineer, Isilon Solutions Exam |
| Exam Number: | DES-1423 |
| Passing Score: | 63% |
| Exam Duration: | 90 minutes |
| Related Certifications: | Dell EMC Implementation Engineer |
| Available Languages: | English |
| Exam Price: | $230 USD |
| Real Exam Qty: | 60 |
| Exam Format: | Scenario-Based Questions, Multiple Choice |
| Certificate Validity Period: | 2 years |
| Recommended Training: | Dell DES-1423 Official Study Guide PowerScale/Isilon Administration and Implementation Training |
| Exam Registration: | Pearson VUE Registration Dell Technologies Certification Portal |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Onsite proctored exam at Pearson VUE test centers |
| Pre Condition: | No mandatory prerequisites; recommended: hands-on experience with Isilon/PowerScale clusters and OneFS administration |
| Official Syllabus URL: | https://www.dell.com/en-us/dt/certification/exams/des-1423.htm |
EMC DES-1423 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Data Services and Protection | 15% | - SyncIQ replication and disaster recovery - SnapshotIQ, CoW, and RoW - SmartDedupe and SmartLock - SmartQuotas and file filtering |
| Topic 2: Storage Pools and Tiering | 13% | - File pool policies and SSD usage - CloudPools and cloud tiering - SmartPools and storage pool configuration |
| Topic 3: Data Protection and Layout | 12% | - FEC and Reed-Solomon protection levels - File striping and data layout models - Protection levels verification |
| Topic 4: Job Engine, Upgrades, and Monitoring | 5% | - Cluster upgrades and rollback - System monitoring and logging - OneFS Job Engine and job management |
| Topic 5: NAS, PowerScale/Isilon, and OneFS Foundations | 15% | - OneFS operating system concepts and directory structure - PowerScale/Isilon hardware and software architecture - Cluster access and initial configuration |
| Topic 6: Networking and Access Zones | 17% | - SmartConnect, DNS integration, and load balancing - Groupnets, subnets, IP pools, and network rules - Gen 5/Gen 6 network configuration, LACP, FEC, failover - Access zones, NTP, LDAP, and Active Directory integration |
| Topic 7: Client Access and Protocols | 13% | - NFS exports including NFSv4 - OneFS caching mechanisms - SMB shares with continuous availability and auditing - S3 protocol and Hadoop integration |
| Topic 8: Identity Management and Authorization | 10% | - User identifiers and ID mapping - POSIX permissions and ACLs - RBAC and ZRBAC models |
Everything You Want to Know About the EMC DES-1423 Exam
The DES-1423 exam (Specialist - Implementation Engineer, Isilon Solutions Exam) is the official EMC exam that leads to the Dell EMC Certified Specialist - Implementation Engineer, Isilon/PowerScale Solutions (DCS-IE) certification, a credential at the Specialist level. Related certifications include Dell EMC Implementation Engineer. Lead2PassExam provides 70 practice questions to help you prepare for it with confidence.
The DES-1423 exam contains 60 questions and gives you 90 minutes to finish them. Before exam day, divide the total time by the question count so you know the pace you need to keep, and flag difficult items instead of getting stuck on them. Running at least one full timed session in the Lead2PassExam test engine is the best way to make that time pressure feel familiar.
You need 63% to pass, and the official registration fee is $230 USD. Keep in mind that a failed attempt means paying that fee in full again, so it pays to test yourself first. When your scores on the Lead2PassExam timed practice tests stay consistently above the passing line, you are ready to book the exam.
No mandatory prerequisites; recommended: hands-on experience with Isilon/PowerScale clusters and OneFS administration Requirements can change over time, so always double-check the latest eligibility rules before you register on the official EMC exam page.
You can book your exam through the official registration channels:
The exam is delivered in the following way: Onsite proctored exam at Pearson VUE test centers.
EMC recommends the following training options for this exam:
Official courses build the foundation, and the DES-1423 practice questions from Lead2PassExam help you turn that knowledge into exam-day performance.
Yes. Lead2PassExam offers a free DES-1423 PDF demo so you can check the quality of the practice questions before purchasing. After you buy, your product comes with 365 days of free updates, and if it expires you can renew the update service at a 50% discount from your member zone.
Your purchase is protected by our 100% Money Back Guarantee. If you take the corresponding DES-1423 exam within 60 days of purchase and do not pass, send us a scan of your enrollment slip and the official Score Report PDF within two days of the exam, and the full refund will be processed within seven days. The candidate name must match the payer name; exams taken within three days of purchase, free materials, and expired orders are not eligible. If you would rather not refund, you can exchange your product for two free products of equal value and keep the update service on your original purchase. Delivery itself is instant: your material is available for download and is emailed to you within one minute of payment. If nothing arrives within two hours, contact our support team. There is no limit on how many computers you may install it on.
The DES-1423 syllabus is organized into 8 exam domains. Among the first three are Data Protection and Layout (12%), Storage Pools and Tiering (13%), Client Access and Protocols (13%). For the complete breakdown of topics and subtopics, see the Exam Topics section above.
EMC Specialist - Implementation Engineer, Isilon Solutions Sample Questions:
A new Isilon administrator has created their first quota of 100 TB on a directory called "/ifs/Boston-zone/RnD". Both the Engineering and QA teams have access to this directory. The directory sits on a 4-node H400 node pool.
Two weeks later, the administrator notices that the team's available disk space is decreasing faster than anticipated for the "/ifs/Boston-zone/RnD" directory.
What is the most likely cause for the decrease in disk space?
- A. SmartPools global spillover is not enabled.
- B. Quota was configured to include overhead.
- C. SmartPools tiering is not enabled.
- D. Quota was configured as an Advisory quota.
Correct Answer: B 🗳️
Which deduplication phase is excluded from the Dry Run process?
- A. Sharing
- B. Sampling
- C. Index Updating
- D. Commonality Detection
Correct Answer: A 🗳️
Explanation: Only visible for Lead2PassExam members. You can sign-up / login (it's free).
What is a benefit of the Isilon Data Lake solution?
- A. Protects multiple shared repositories at the same level
- B. Maintains simplicity at petabyte scale
- C. Block-based storage for large databases
- D. Scale-up approach for petabyte scale
Correct Answer: B 🗳️
Which role-based privilege must be granted to a user before they are allowed to log into the web administration interface?
- A. ISI_PRIV_CLUSTER
- B. ISI_PRIV_AUTH
- C. ISI_PRIV_LOGIN_PAPI
- D. ISI_PRIV_LOGIN_CONSOLE
Correct Answer: B 🗳️
A company deployed an Isilon cluster that consists of eight nodes connected to a main production subnet by all available 10GB ports. Later, the company decided to implement a disaster recovery solution with a separate replication subnet. During the reconfiguration, one of the 10Gb ports from each of the nodes 1-4 was moved into the new pool and SBR was activated.
After activating the replication policies, the administrator noticed that the main production ports on nodes 1-4 reached the bandwidth limit. What is a possible reason for this behavior?
- A. Default gateway for the replication subnet has a higher priority value.
- B. Main production ports have a smaller bandwidth limit than replication ports.
- C. Default gateway for the replication subnet is not specified.
- D. Default gateway for the replication subnet has a lower priority value.
Correct Answer: C 🗳️
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