D-PSC-DS-23 exam questions for practice in 2024 Updated 295 Questions
Updated Nov-2024 Premium D-PSC-DS-23 Exam Engine pdf - Download Free Updated 295 Questions
NEW QUESTION # 132
Which type of interface is used in Isilon hardware nodes for back-end interconnect?
- A. 10GbE
- B. InfiniBand
- C. Fibre Channel
- D. 40GbE
Answer: B
NEW QUESTION # 133
Where does Endurant Cache stage its write cache?
- A. SSD
- B. DISK
- C. DRAM
- D. NVRAM
Answer: D
NEW QUESTION # 134
You have been invited to meet with the Social Media and Marketing Department and gather requirements for a potential File System Project. They primarily use CIFS and are considering deploying a Hadoop cluster to analyze customer demographic data. The Senior Systems Engineer thinks they will need 2PB of usable capacity.
What would you do to gain an understanding of the customer's environment to qualify and develop the opportunity?
- A. Send the Social Media Team a sizing and features spreadsheet to complete; download the OneFS Architectural White Paper for them, and create a Logical System diagram in Visio
- B. Ask them to identify how the current data is accessed, where the data is accessed from, and who is accessing the data
- C. Create a cluster configuration specifying HDFS, NFS, and CIFS protocols; select 19 x X400 nodes with 144TB per node, and Enhanced Support
- D. Request the Windows Systems Administration Team run a PerfMon analysis on the Marketing Servers, consider adding 75 x 3TB drives to your VNX 5500, and contact the DBA Team for their help
Answer: B
NEW QUESTION # 135
You are involved with a Proof of Concept where the performance is not what you expect.
What can you use to collect process stack information and a listing of process waiting on I/O?
- A. netstat
- B. isi statistics
- C. tcpdump
- D. isi_get_itrace
Answer: D
NEW QUESTION # 136
Your customer is looking for a storage solution that will be able to store seven million 3 MB files which are written and seldom accessed.
Read and write operations are both completed by a webbased application, which requires 1.3 Gbps throughput. The customer's network has not been upgraded in many years, so the network interfaces are
1 Gbps.
What would be the best solution for this network configuration?
- A. Bond EXT-0 across all nodes.
- B. Use LACP to aggregate the network ports on each node.
- C. Use jumbo frames to compensate for the 1GB Core network.
- D. Aggregate Infiniband (IB) ports across all nodes.
Answer: B
NEW QUESTION # 137
How are files smaller than 128 KB protected?
- A. 3x mirrored
- B. N+3d:1n
- C. N+2d:1n
- D. 2x mirrored
Answer: D
NEW QUESTION # 138
Your customer is moving from a Restaurant/Bar business model to a Restaurant/Casino business model. You are helping architect the upgrade of a current 4-node X200 48 TB Isilon cluster, with 50% utilized for their video surveillance operations.
They want to upgrade from 15 FPS (NTSC) in H.264 codec, with a 15 days retention policy to 30 FPS (NTSC) in H.264 codec with a 30 days retention policy.
Which storage capacity would be the best suited to meet the required changes and utilize 65-75% capacity?
- A. 80 TB
- B. 140 TB
- C. 110 TB
- D. 50 TB
Answer: B
NEW QUESTION # 139
You are designing a cluster for workloads that have a low latency, heavy, random access pattern.
Which node type is designed for this type of workload?
- A. H5600
- B. F800
- C. A200
- D. A2000
Answer: B
NEW QUESTION # 140
What is the sector size of an Isilon 8 TB drive?
- A. 512 bytes
- B. 1024 bytes
- C. 4096 bytes
- D. 2048 bytes
Answer: C
NEW QUESTION # 141
A potential customer is considering replacing a four year old, Linux-based NFS server with 40TB of usable capacity. The existing system supports home directories, an internal website, and a content repository for the customer's content management system.
The customer is concerned about performance of any new solution because they expect to double workload in the content management system.
What tools can be used to collect performance data needed to size the new solution?
- A. Iostat and nfsstat
- B. Syslog and vmstat
- C. Isi statistics and Wireshark
- D. Perfmon and sysstat
Answer: A
NEW QUESTION # 142
What are characteristics of the streaming data access pattern on a PowerScale Gen6 cluster?
- A. Multiple stream workflows, no prefetching
- B. Single stream workflows, very aggressive prefetching
- C. Clients accessing the same data, aggressive prefetching
- D. Clients accessing the same data, moderate prefetching
Answer: B
NEW QUESTION # 143
A customer configures a file pool policy to write data to tier 2 on the Isilon cluster. This is in addition to the 30 policies already created. Later in the week they check the file placement and see that it has not been written to the correct tire.
What could be the problem?
- A. Number of allowable policies has been exceeded so the new policy will not run.
- B. SmartPools policy job has not yet run so the file was written using the default policy.
- C. File matches a policy for a different tier that is listed higher in the file pool policy list.
- D. File matches a policy for a different tier that is listed lower in the file pool policy list
Answer: C
NEW QUESTION # 144
An architect is designing a new cluster. The cluster contains H500 nodes to store home directories of 2000 users and A200 nodes to store backups of VMware virtual machines.
Which data access patterns should be used?
- A. Random for the H500 nodes
Streaming for the A200 nodes - B. Streaming for the H500 nodes
Random for the A200 nodes - C. Concurrency for the H500 nodes
Streaming for the A200 nodes - D. Streaming for the H500 nodes
Concurrency for the A200 nodes
Answer: B
NEW QUESTION # 145
A solutions architect is asked to configure Continuous Availability to an existing PowerScale SMB share.
How can the task can be accomplished?
- A. Enable CA from the properties section of the share.
- B. Stop all SMB shares and globally enable CA.
- C. Re-create the share and enable CA.
- D. Disable the share and enable CA.
Answer: A
NEW QUESTION # 146
A customer has grown 2 PB in the last year. The cluster performs well most times of the day, but occasionally during the day, the customer notices a decrease in performance. You have been told that
'tree-deletes' are taking too long and can only be run on weekends.
What would you recommend to speed up the 'tree-deletes'?
- A. Add 20% more nodes to the cluster to help with degraded performance.
- B. Add an SSD tier for metadata, ensuring all nodes have SSDs.
- C. Use an A100 node for added CPU performance to help with 'tree-deletes.'
- D. Add an SSD node tier for metadata to account for at least 2% of RAW capacity
Answer: B
NEW QUESTION # 147
A customer needs to consolidate 300 TB of home directory servers and shared file systems used by development and test groups. A key requirement is to prevent the systems from consuming all free capacity and impacting home directory content.
Which Isilon node configuration should be proposed?
- A. X-Series with SmartPools
- B. NL-Series with SmartQuotas
- C. S-Series with InsightIQ
- D. X-Series with SmartQuotas
Answer: D
NEW QUESTION # 148
Which provider supports authentication and lookup facilities for local users and groups that have been defined and are maintained on the cluster?
- A. NIS
- B. File
- C. Local
- D. AD
Answer: C
NEW QUESTION # 149
Which Isilon Gen 6 node models can use only L3 cache?
- A. F800 and A2000
- B. A200 and H5600
- C. F800 and H600
- D. A200 and A2000
Answer: A
NEW QUESTION # 150
When designing an Isilon cluster for content creation workflows in the Media and Entertainment (M&E) vertical, what type of workflows must you consider?
- A. Sequential
- B. Small file
- C. Random access
- D. Batch
Answer: A
NEW QUESTION # 151
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