試験合格保証付きのStorage Administrator D-MSS-DS-23試験問題集
EMC D-MSS-DS-23日常練習試験は2025年最新のに更新された236問あります
質問 # 123
Which low-latency workload type is a best practice for an all-SCM Dell PowerStore array?
- A. Backup workloads
- B. Large block workloads
- C. Media streaming workloads
- D. Small block workloads
正解：D
質問 # 124
A customer sales order lists .2 Devices as a line item. The order is for a Dell EMC Unity 380F array.
How many .2 Devices should appear in the order?
- A. 0
- B. 1
- C. 2
- D. 3
正解：D
質問 # 125
How are vVol datastores mounted in Dell EMC PowerStore storage during the creation of vVol datastores in the vSphere environment shared by ESXi hosts?
- A. Volume Groups
- B. VMFS datastores
- C. Storage containers
- D. Storage Groups
正解：C
解説：
A storage container is used to present vVol storage from a PowerStore cluster to vSphere.
vSphere mounts the storage container as a vVol datastore and makes it available for VM storage.
When a PowerStore cluster is used to provide VM storage, user VMs should be provisioned on the vVol datastores. The default storage container is mounted automatically on the nodes of the cluster.
質問 # 126
What is a best practice for host connectivity on Dell EMC PowerStore?
- A. Requires multipath software and iSCSI
- B. Host must be directly attached, but there is no requirement for multipath software
- C. Requires multipath software and one HBA
- D. HBAs must be attached to a dual fabric and multi-path software is required
正解：A
質問 # 127
From which storage platforms does a migration import data to a Dell PowerStore cluster?
- A. Unity VNX2 Dell EqualLogic PS series and Dell Compellent SC Series
- B. VNXe Unity Dell Compellent SC Series and Dell EqualLogic PS series
- C. Dell EqualLogic PS series Unity, Dell Compellent SC Series, and PowerVault ME
- D. PowerMax. Dell EqualLogic PS senes Dell Compellent SC Series and Unity
正解：A
解説：
A migration import allows data to be transferred from an existing storage platform to a Dell PowerStore cluster. The platforms that support migration import to a Dell PowerStore cluster include Unity, VNX2, Dell EqualLogic PS series and Dell Compellent SC Series. These platforms are EMC storage systems, which are now owned by Dell Technologies.
質問 # 128
What is the maximum RPO that can be configured on a Dell Unity XT block-asynchronous replication session?
- A. 7 days
- B. 24 hours
- C. 48 hours
- D. 14 days
正解：A
解説：
* Asynchronous Replication in Dell Unity XT:
* Asynchronous replication provides data protection over longer distances with flexible RPO settings.
* Maximum RPO:
* The maximum Recovery Point Objective (RPO) that can be configured for a block-asynchronous replication session in Dell Unity XT is 7 days.
* This allows for up to a week's worth of data to be replicated asynchronously, balancing data protection and replication overhead.
* Other Options:
* 24 hours, 48 hours, 14 days: These options do not align with the maximum configurable RPO of 7 days for asynchronous replication in Dell Unity XT.
* Dell Midrange Storage References:
* Dell Unity XT documentation provides detailed guidelines on configuring asynchronous replication and the available RPO settings.
* Community forums and support resources from Dell Technologies offer insights into best practices for data protection.
References:
* Dell Unity XT Replication Guide
* Dell Community on Data Protection
質問 # 129
Which NAS protocols does Dell PowerStore support?
- A. SMB, NFSv3, NFSv4p, FTP, and SFTP
- B. FTP, SMB, NFSv2, NFSv3, and FTPS
- C. FTPS, SMB, NFSv3, NFSv4, and FTP
- D. NFSv4, SMB, S3, FTP, and SFTP
正解：A
解説：
Dell PowerStore supports a variety of NAS protocols to provide file access to clients.
These protocols include:
SMB (Server Message Block): This protocol is used to provide file and printer sharing on Windows-based systems.
NFSv3 (Network File System version 3): This is a standard protocol used to provide file access on UNIX-based systems.
NFSv4 (Network File System version 4): This is the latest version of the NFS protocol and it provides enhanced security and improved performance over previous versions. FTP (File Transfer Protocol): This is a standard protocol used to transfer files between computers over a network.
SFTP (Secure File Transfer Protocol): This is an extension of the FTP protocol that provides secure file transfer using SSH (Secure Shell) encryption.
質問 # 130
Which tool delivers frequent, dynamic, nondisruptive content updates for a user?
- A. CloudIQ
- B. Live Optics
- C. Environment Collection Tool
- D. My work
正解：A
質問 # 131
Which parameters can be defined when sizing a Dell Unity XT solution using the Simple Performance method?
- A. Read size (KB) Target IOPS
- B. Write size (KB) Initial capacity (TB)
- C. Application workload type Yearly growth rate (%)
- D. Days hot Number of LUNs
正解：A
解説：
When sizing a Dell Unity XT solution using the Simple Performance method, parameters such as Read size (KB) and Target IOPS can be defined. The Simple Performance method focuses on understanding the expected IOPS (Input/Output Operations Per Second) and read size to ensure that the system is sized appropriately to meet performance requirements. This approach helps in configuring the storage system to handle the expected workload efficiently.
質問 # 132
What is recommended maximum cable length for PowerStore back-end NVMe cabling to avoid performance issues?
- A. 5 meters
- B. 3 meters
- C. 10 meters
- D. 100 meters
正解：C
質問 # 133
Which front-end protocol card in Dell Unity XT 380 offloads processing to save CPU cycles for other operations?
- A. CNA for iSCSI
- B. 4 port iSCSI module
- C. CNA for Fibre Channel
- D. 4 port Fibre Channel module
正解：A
質問 # 134
How many hierarchical snapshots are supported by Dell EMC PowerStore 9000X array?
- A. 0 levels deep for LUNs
0 levels deep for file systems - B. 32 levels deep for LUNs
16 levels deep for file systems - C. 10 levels deep for LUNs
10 levels deep for file systems - D. 16 levels deep for LUNs
16 levels deep for file systems
正解：C
質問 # 135
The last two drive slots in a Dell EMC PowerStore 3000 are reserved for which type of drive?
- A. NVMe NVRAM
- B. SAS SSD
- C. NVMe SCM
- D. NVMe SSD
正解：A
質問 # 136
Which two attributes characterize I/O workloads for sizing the PowerStore storage solution? (Select 2)
- A. Splitting of Workloads
- B. Extent of Serialization
- C. Random vs. Sequential I/O
- D. CloudIQ Reporting
- E. Read vs. Write ratios
正解：E
解説：
Two key attributes that characterize I/O workloads for sizing the PowerStore storage solution are Random vs.
Sequential I/O and Read vs. Write ratios. Understanding these attributes helps in accurately sizing the storage system to meet performance and capacity requirements.
質問 # 137
What benefit do higher capacity drives provide in a Dell Unity All Flash array?
- A. Less physical space is used
- B. Efficient utilization of front end ports
- C. Larger I/O size
正解：A
質問 # 138
A Dell EMC Unity storage administrator has 10 hosts. One of the hosts experiences occasional, huge IO bursts.
What is a best practice for avoiding performance issues during these burst periods?
- A. Enable Quality of Service (QoS) then limit I/O for the entire FC port
- B. Enabling Quality of Service (QoS) will limit the burst problem
- C. Enable Quality of Service (QoS) then configure burst settings
- D. Quality of Service (QoS) is enabled by default, so one only needs to configure burst settings
正解：C
質問 # 139
How many hierarchical snapshots are supported by Dell EMC Unity?
- A. 10 levels deep for LUNs
10 levels deep for file systems - B. 16 levels deep for LUNs
8 levels deep for file systems - C. 32 levels deep for LUNs
16 levels deep for file systems - D. 16 levels deep for LUNs
16 levels deep for file systems
正解：C
質問 # 140
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