HCE-3700 Online Practice Questions and Answers

How many back-end disk operations are normally required to complete a small block random write operation to a LUN on a RAID 5 group?

A. 2

B. 3

C. 4

D. 6

Which two statements are true about the Active Flash feature on the VSP Midrange? (Choose two.)

A. The Active Flash feature of Hitachi Dynamic Tiering monitors page access frequency in real-time, and immediately promotes pages that suddenly become busy.

B. The Active Flash feature can be enabled on any HDT pool as long as Tier 1 of the Dynamic Tiering pool is composed of SSD or FMD drives.

C. The Active Flash feature can be enabled on any HDP pool as long as the pool is comprised of SSD or FMD drives.

D. The Active Flash feature of Hitachi Dynamic Tiering monitors page access frequency in real-time, and promotes pages based on a predefined schedule.

A VSP G800 HDT pool contains FMDs, NL-SAS drives, external storage with 15K 600 GB SAS drives, and external storage with 10K 900 GB SAS drives.

Which tier level contains the NL-SAS drives in this configuration?

A. 1

B. 2

C. 3

D. 4

Your customer has an HDP pool dedicated to interactive production workloads. Which two applications are good candidates to share this HDP pool? (Choose two.)

A. customer relationship management

B. customer service call taking and dispatch

C. software development

D. backup repository

You are planning for a performance upgrade for a transaction application.

Which three metrics are necessary to determine the required back-end storage configuration in this scenario? (Choose three.)

A. cache read hit ratio

B. read/write ratio

C. transfer rates

D. queue depth

E. IOPS

Which three statements are true regarding a VSP G400 configuration for a Microsoft Exchange Server environment? (Choose three.)

A. RAID 1+0 is a recommended RAID level for the database volumes.

B. RAID 6 is a recommended RAID level for the database volumes.

C. HDP is a recommended configuration for database volumes.

D. Parity group concatenation is recommended.

E. Microsoft JetStress testing should be used to validate the required performance.

A large bank is completing a capacity planning exercise and wants to upgrade their current VSP G1000 to properly support their online banking application for the next 18 months. The IT department wants to know where they should invest to achieve the transactional Service Level Objective (SLO).

In this scenario, which three recommendations would you make? (Choose three.)

A. Measure throughput of all SAN directors.

B. Export two months of Performance Monitor data.

C. Measure the storage resource utilizations.

D. Request a statement of growth requirements.

E. Measure the existing I/O profile.

How does the HDLM Extended Round Robin algorithm impact sequential I/O?

A. It continues to use the same path for a user-specified count of sequential I/O requests.

B. It remembers a user-determined number of addresses to better implement sequence detection for the storage.

C. It buffers and reorders I/O requests to improve sequence detection by the storage.

D. It makes a path decision for every I/O request.

A high level of writes to external storage is backing up into a VSP G1000 cache, creating a high write pending problem that is affecting other workloads.

Which three actions will help to minimize this problem? (Choose three.)

A. Add more cache to the enterprise storage system.

B. Add more cache in the external storage.

C. Quarantine the LUNs in a separate cache partition.

D. Set Cache Mode to "Disabled" for the external LUNs.

E. Address the throughput constraints in the external storage.

Which two conditions will cause high Cache Write Pending on a VSP G8000? (Choose two.)

A. over-utilized external storage

B. high port utilization

C. inadequate WAN bandwidth for TrueCopy Asynchronous

D. attempting to write to a RAID group at a rate beyond its ability