DELL EMC D-PSC-DS-23 Practice Exams
Last updated on Apr 07,2025- Exam Code: D-PSC-DS-23
- Exam Name: Dell PowerScale Design 2023 Exam
- Certification Provider: DELL EMC
- Latest update: Apr 07,2025
When sizing an Isilon cluster for high connection count environments and high streaming I/O rates, which configurable node option is recommended?
- A . RAM
- B . SSD
- C . Disk capacity
- D . SAS drives
A customer is using Hadoop with direct-attached storage. They are concerned about the cost to build and maintain this infrastructure.
What are the benefits of switching to Hadoop with Isilon OneFS?
- A . Independent scaling of compute and storage
Multi-protocol access to data
ACL-based permissions - B . Independent scaling of NameNodes
Redundant TaskTracker nodes
Multi-protocol access to data - C . Independent scaling of NameNodes
Multi-protocol access to data
Kerberos authentication - D . Independent scaling of compute and storage
Independent NameNodes
Kerberos authentication
In your second meeting with the customer you ask the following questions about their current unified SAN and NAS platform. "Are you using an application to map users from NFS Exports to SMB shares? Is each site a separate LDAP or AD Domain?"
What functionality are your trying to understand in their environment and what is the comparable feature in Isilon OneFS?
- A . Identity Mapping and Authentication Sources
- B . User Management and AD Authentication
- C . Kerberos Infrastructure and Identity Management
- D . NFS Export Management and OneFS Cluster Management
At which level can retention periods be applied with Isilon SmartLock?
- A . Directory
- B . Node
- C . File system
- D . Cluster
Which tool is used to perform a cluster-wide kernel configuration change on an Isilon Gen 6 cluster?
- A . gconfig
- B . isi_tardis
- C . isi_for_array
- D . sysct1
For concurrent I/O, how do SmartCache and Endurant Cache differ?
- A . Endurant Cache sends an acknowledgement to the client immediately after mirroring writes in NVRAM
- B . Endurant Cache waits for acknowledgement from all nodes before copying to L2 cache
- C . SmartCache immediately commits the write to NVRAM on the local node and one peer node
- D . SmartCache uses sub-file, granular locking whereas Endurant Cache locks the entire file
Which authentication providers can be used when configuring PowerScale netgroups?
- A . LDAP
NIS
File - B . Active Directory
NIS
Local - C . Local
Active Directory
MIT Kerberos - D . MIT Kerberos
Local
LDAP
Which type of interface is used in Isilon hardware nodes for back-end interconnect?
- A . InfiniBand
- B . Fibre Channel
- C . 10GbE
- D . 40GbE
A customer has a 2 GB file that is tiered to the cloud by CloudPools. The Isilon cluster is running OneFS 8.1.2. Approximately how many cloud data objects will be created for this file?
- A . 1,024
- B . 2,048
- C . 4,096
- D . 16,416
What is an accurate statement concerning shared journals on node pairs?
- A . Requires a minimum of 4 nodes
- B . Directly linked through mid-plane of the chassis
- C . When a node boots, it first checks its paired node’s resources
- D . Nodes 1 and 3 and nodes 2 and 4 form node pairs