[2025年04月] 学習材料には有効なD-UN-DY-23効率的問題集！
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Dell EMC Unityストレージシステムは、高性能、スケーラビリティ、柔軟性を実現するように設計されたミッドレンジストレージの主要なソリューションです。このシステムは、ブロック、ファイル、およびVMware仮想ボリューム（VVOLS）ストレージプロトコルをサポートする統一されたストレージプラットフォームを提供し、幅広いアプリケーションとワークロードに最適です。 Dell Unity Deploy 2023認定試験は、このストレージシステムを効果的に展開および管理するITプロフェッショナルの能力を検証することを目的としています。
質問 # 108
A storage administrator is monitoring the pool capacity of two identical Dell Unity XT systems. Each system has every LUN replicated to the other system and all replication sessions are in sync. Both systems are used for production storage. CloudIQ is receiving updates from both systems, but shows that one of them is filling up more quickly than the other.
What is the cause of this behavior?
- A. Dell Unity Data Reduction license is not enabled on one of the two systems.
- B. CloudIQ is not receiving the same amount of updates from one of the two systems
- C. Dell Unity Data Reduction is not identically enabled on LUNs on both systems.
- D. One of the Unity systems is used less than the other one.
正解：C
質問 # 109
Assuming that no snapshots currently exist for the Base LUN, what is the maximum number of Thin Clones for the Base LUN?
- A. 0
- B. 1
- C. 2
- D. 3
正解：D
質問 # 110
Which snapshot option is set automatically when a Pool is configured?
- A. Snapshot Pool Consumption
- B. Total Pool Consumption
- C. Pool Automatic Deletion Policy
正解：C
解説：
Explanation
The snapshot option that is set automatically when a pool is configured is the Pool Automatic Deletion Policy.
This option determines how the system handles the deletion of snapshots when the pool reaches a certain threshold of capacity utilization. The user can choose between three policies: Never Delete, Delete Oldest, or Delete LowestPriority. The Total Pool Consumption and the Snapshot Pool Consumption are not snapshot options, but rather metrics that show the amount of pool space consumed by the pool data and the snapshots respectively.
References: [Dell EMC Unity: Storage Pools and RAID Groups], [Dell EMC Unity: Snapshots and Thin Clones]
質問 # 111
A system administrator deployed a UnityVSA to their Sphere environment. They did not add the management IP to the UnityVSA during the installation.
Which command must be used to apply the management IP from the Sphere UnityVSA console?
- A. sve_initial_config with the Connection Utility
- B. sve_diag with the Connection Utility
- C. sve_network
- D. sve_inject.
正解：A
質問 # 112
Which Unity service task is used to reinstall the root operating system while leaving the user's data intact?
- A. Reinitialize the storage system
- B. Reimage the Storage Processor
- C. Restore the Management server
- D. Restore the Management software
正解：B
質問 # 113
What are two best practices when configuring host to storage connectivity? (Select 2)
- A. ISCSI should use all HBA or all NIC connections, with no mixing in a host.
- B. Use multipathing software to manage the paths to the storage system.
- C. Any single host should connect to any single array with FC protocol and iSCSI protocol.
- D. Hosts with CNAs should use both FC and iSCSI to connect to a single array.
正解：A、B
質問 # 114
A Unity storage administrator wants to compress some block LUNs to free up space.
What should they take into consideration before enabling compression?
- A. Amount of free SP memory and type of data to be compressed
- B. CPU utilization and amount of free SP memory
- C. Size of the SP Cache and availability of SAS drives to hold compressed data
- D. CPU utilization and type of data that can be compressed
正解：D
質問 # 115
On a Dell Unity XT file system asynchronous replication session, how many system Snapshots are required to support replication?
- A. 0
- B. 1
- C. 2
- D. 3
正解：C
解説：
Explanation
On a Dell Unity XT file system asynchronous replication session, four system Snapshots are required to support replication. Two system Snapshots are created on the source file system, and two system Snapshots are created on the destination file system. The source system Snapshots are used to track the changes that need to be replicated, and the destination system Snapshots are used to apply the changes and maintain a consistent point-in-time copy of the source data. The system Snapshots are automatically created and managed by the replication engine and are not visible to the user.
References: [Dell EMC Unity: Replication Technologies], [Dell EMC Unity: File System Configuration]
質問 # 116
You are implementing a new Dell EMC Unity 450F with twenty-five 7.6 TB SSD drives. You need to standardize on a RAID5 4+1 stripe size.
What needs to be done to configure a dynamic pool?
- A. Use UEMCLI to configure the pool with all the drives specifying RAID5 4+1 stripe width.
- B. Use the service account via UEMCLI to configure the pool with all the drives specifying a RAID5 4+1 stripe width.
- C. Use Unisphere to select all the drives and select RAID5 4+1 in the drop-down box.
- D. Use Unisphere to build a traditional pool using RAID5 4+1. Convent the traditional pool to a dynamic pool once the zeroing of the drives is complete.
正解：C
質問 # 117
When can a LUN be defined as thin or thick?
- A. Only when adding host access to the LUN
- B. Only when creating the LUN
- C. Only when enabling data reduction on the LUN
- D. Any time after the LUN has been created
正解：B
質問 # 118
After performing the initial configuration of a new Dell EMC UnityVSA single-SP offering, when do alerts concerning license expiration first occur?
- A. 7 days prior to expiration
- B. 15 days prior to expiration
- C. 4 weeks prior to expiration
- D. 3 weeks prior to expiration
正解：B
質問 # 119
What is a benefit of Dell EMC Unity XT file-level retention?
- A. Improves access to data resident on the drive tiers
- B. Enables throughput and bandwidth throttling
- C. Reduces time to rebuild a failed drive
- D. Protects data from deletion or modification
正解：D
質問 # 120
How does Dell EMC Unity XT differ from Dell EMC UnityVSA?
- A. Unity XT supports FAST VP only UnityVSA supports FAST VP and FAST Cache
- B. Unity XT supports host I/O limits and monitoring and reporting UnityVSA supports monitoring and reporting only
- C. UnityXT supports monitoring and reporting only UnityVSA supports host I/O limits and monitoring and reporting
- D. UnityXT supports FAST VP and FAST Cache. UnityVSA supports FAST VP only
正解：D
質問 # 121
Which two replication operations are only available to asynchronous replication sessions?
- A. Failover with Sync, Sync
- B. Fallback. Resume
- C. Failover with Sync, Fallback
- D. Failover, Resume
正解：D
質問 # 122
A system administrator is configuring asynchronous remote replication for an existing NAS server and its' file systems on a Unity system.
What should the administrator create to ensure all data is replicated for the NAS server and the file system?
- A. Replication sessions for each file system first and then the NAS server
- B. A replication session on the NAS server and then manually create replication sessions on each file system
- C. A replication session for only the NAS server
- D. Replication sessions on each file system only
正解：B
質問 # 123
Which type of drives are part of the Performance Tier in a heterogeneous pool in Unity?
- A. NL-SAS
- B. SAS
- C. SAS Flash 4
- D. SAS Flash 2
正解：C
質問 # 124
Which Unity models allow for the addition of a 12 Gb/s SAS SLIC?
- A. Unity 400 and Unity 600
- B. Unity 400 and Unity 500
- C. Unity 300 and Unity 400
- D. Unity 500 and Unity 600
正解：D
質問 # 125
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