HPE0-J82 HPE Storage Architect Practice Questions
Prepare for HPE0-J82 with more than an answer.
- Time limit
- 90 minutes
- Questions on the exam
- 60
- Passing score
- 63%
- Level
- Expert (HPE ASE - Accredited Solutions Expert)
Domains covered on the exam 5
- Differentiate and apply foundational storage architectures and technologies15%
- Describe HPE Storage architectures and technologies33%
- Identify the strengths of HPE Storage solutions2%
- Evaluate the customer's environment40%
- Identify customer opportunities10%
- 1
When reviewing the architectural benefits of HPE Nimble (and its successor architectures like Alletra 6000), how does the Cache Accelerated Sequential Layout (CASL) architecture handle incoming random write I/O?
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Correct answer: B
The CASL (Cache Accelerated Sequential Layout) architecture dynamically absorbs random write I/O in NVRAM, deduplicates and compresses the data inline, and then serializes it into large, sequential full-stripe writes. This eliminates the traditional RAID write penalty and maximizes media endurance and performance.
flowchart LR A[Random Writes] --> B[NVRAM Buffer] B --> C[Inline Dedupe & Compress] C --> D[Serialize into Full Stripe] D --> E[(Flash Media)] - 2
A customer is planning a greenfield data center deployment that will require connecting over 1,500 Fibre Channel ports. They want to minimize inter-switch links (ISLs) and reduce the overall management footprint. Which HPE storage networking chassis-based offering is specifically designed to meet these requirements?
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Correct answer: B
For massive scale environments requiring hundreds or thousands of ports with minimal ISLs, a chassis-based SAN Director (like the HPE SN8600B/Brocade X6 or X7) is the correct choice. Directors provide high port density, modular blade expansion, and high availability features within a single chassis.
- 3
When provisioning storage using HPE Data Services Cloud Console (DSCC), which approach fundamentally changes how administrators allocate capacity compared to traditional LUN masking?
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Correct answer: C
DSCC introduces Intent-Based Provisioning. Instead of manually creating volumes, configuring LUN masking, and selecting specific arrays or RAID types, the administrator selects the workload type, required capacity, and SLA. The AI engine then automatically provisions the optimal resources across the fleet.
- 4
A financial institution is designing a disaster recovery architecture across two data centers located 45 kilometers apart. The business mandates an RPO of zero and an RTO of less than 5 minutes for their tier-1 transactional databases. They have a dark fiber connection with less than 2ms round-trip latency between the sites.
Which replication technology and architecture should the storage architect recommend to meet these strict requirements without manual intervention during a failover?
sequenceDiagram participant Host participant SiteA as Primary Array participant SiteB as Secondary Array Host->>SiteA: Write Request SiteA->>SiteB: Replicate Data SiteB-->>SiteA: Acknowledge SiteA-->>Host: Write CompleteShow answer details
Correct answer: D
For an RPO of zero, synchronous replication is strictly required. To achieve an RTO of less than 5 minutes without manual intervention, an active-active or stretched cluster architecture (like HPE Peer Persistence with an automatic quorum witness) is necessary. The latency of <2ms over 45km easily supports the synchronous round-trip requirement.
- 5
When comparing NVMe to traditional SAS interconnects in a modern all-flash storage array, which architectural difference provides NVMe with significantly lower latency and higher throughput?
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Correct answer: A
NVMe (Non-Volatile Memory Express) was designed specifically for flash media. It attaches directly to the PCIe bus, eliminating the translation overhead required by SAS/SATA controllers, and supports up to 64K queues with 64K commands per queue.
- 6
A system administrator is configuring host presentation for a new ESXi cluster connected to an active-optimized/active-unoptimized storage array. Which industry-standard protocol must the multipathing software support to dynamically discover optimal vs. non-optimal paths?
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Correct answer: B
ALUA (Asymmetric Logical Unit Access) is a SCSI standard that allows an array to communicate path states (Active/Optimized, Active/Non-Optimized, Standby, Unavailable) to the host multipathing software (like VMware NMP/PSP_RR), ensuring IO is sent down the most efficient controller paths.
