NS0-516 Sample Questions & Answers
Storage configuration, from alerting to volume groups and DDP, carries the most weight, alongside E-Series hardware and cabling, SANtricity management and security, host connectivity, data protection, design tools, SAN setup, documentation, and troubleshooting.
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- Question 1Beginner
Storage Configuration · Setup alerting and notification for the E-Series system
A customer needs to configure email alerts for their E-Series array using SANtricity System Manager. What information is mandatory to successfully configure the email alert notification method?
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Correct answer: C
To configure email alerts in SANtricity System Manager, you must provide the SMTP mail server address (and credentials if required), the sender email address, and at least one recipient email address to receive the notifications.
- Question 2Intermediate
Storage Configuration · DDP or Volume Groups
You are deploying an E-Series array for a database workload. The database vendor requires the highest possible write performance and predictable latency, and is less concerned about capacity efficiency or rebuild times. Which volume configuration is most appropriate?
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Correct answer: D
RAID 10 Volume Groups provide the highest write performance and lowest latency because there is no parity calculation overhead. While DDP is excellent for rebuilds and ease of management, RAID 10 is the optimal choice when absolute maximum write IOPS is the primary requirement.
- Question 3Intermediate
Storage Configuration · Physical and logical storage requirements
When planning the logical storage requirements for a new NetApp E-Series deployment, which factor must be accounted for when calculating the maximum usable capacity of a Dynamic Disk Pool (DDP)?
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Correct answer: C
When sizing a DDP, the usable capacity is the total physical capacity minus the parity overhead (similar to RAID 6 distribution) and the preservation capacity (reserved space for rebuilding data in the event of drive failures).
- Question 4Beginner
Storage Configuration · Create and administer Volume Groups or DDP and associated volumes
A storage administrator needs to create a new Dynamic Disk Pool (DDP) on an E-Series system. What is the absolute minimum number of drives required to create a DDP?
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Correct answer: A
The minimum number of drives required to create a Dynamic Disk Pool (DDP) in NetApp E-Series is 11. This ensures enough drives are available to distribute data, parity, and preservation capacity effectively.
- Question 5Intermediate
Storage Configuration · Create and administer Volume Groups or DDP and associated volumes
True or False: When expanding an existing traditional Volume Group on an E-Series array, you must add drives in multiples that match the original RAID configuration (e.g., adding pairs for RAID 10).
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Correct answer: A
True. When expanding a traditional RAID Volume Group, you must adhere to the rules of the RAID level. For example, RAID 10 requires adding drives in pairs, whereas DDP allows you to add single drives at a time.
- Question 6Advanced
Storage Configuration · Create and administer Volume Groups or DDP and associated volumes
You are migrating a legacy application that relies heavily on large, sequential reads (e.g., video streaming) to a new E-Series array. To optimize the volume performance for this specific workload, which setting should be carefully configured during volume creation?
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Correct answer: B
The segment size (or stripe depth) dictates how much data is written to a single drive before moving to the next. For workloads with large, sequential I/O (like video streaming), a larger segment size prevents unnecessary disk crossing, optimizing throughput.
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