DES-1D12問題集合格保証付きの合格できるDES-1D12試験2023年更新
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EMC DES-1D12 試験は、ミッドレンジストレージソリューションの管理および設計の経験があるプロフェッショナルに最適です。この試験では、ストレージアーキテクチャ、ストレージシステム、およびデータ保護に関する候補者の知識を検証します。さらに、ビジネスのニーズを満たすストレージソリューションを設計および実装する能力を評価します。この試験は、候補者のミッドレンジストレージソリューションに関する知識と専門知識を測定するために設計されています。
このEMCの認定試験は、ミッドレンジストレージソリューションを設計、実装、管理する能力をテストする上級レベルの試験です。試験は、データ保護、スケーラビリティ、管理、セキュリティなどのトピックをカバーしています。この試験に合格することで、候補者は複雑なストレージソリューションを設計、実装、管理するために必要な技術的スキルと知識を持っていることが証明されます。
質問 # 84
A Windows client using the SMB protocol is trying to access a multiprotocol file system from a Dell Unity XT NAS server. The local group database was checked and no mapping was found.
What is the next step in the SID to UID resolution process?
- A. The domain controller is checked
- B. The Windows user is mapped to the default UNIX account
- C. Secmap is checked
- D. The Windows user access is removed
正解：A
解説：
Explanation
When a Windows client uses the SMB protocol to access a multiprotocol file system from a Dell Unity XT NAS server, the SID (Security Identifier) of the Windows user is mapped to a UID (User Identifier) on the UNIX file system. If no mapping is found in the local group database, the domain controller is checked to see if the SID is present there. The domain controller can provide the information needed to map the SID to the corresponding UID on the file system, allowing the Windows user to access the files. If the SID is not present in the domain controller, the Windows user's access would be removed.
質問 # 85
What is a benefit of using a performance assessment tool?
- A. Retrieves workload metrics from all storage systems
- B. Retrieves the performance archives using the Unity Data Collection
- C. Provides automated performance statistics in chart and table format
- D. Provides performance statistics in a structured postgres database
正解：C
解説：
Explanation
A performance assessment tool is used to evaluate the performance of storage systems and provide statistics that can be used to identify and troubleshoot performance issues. One of the benefits of using a performance assessment tool is that it provides automated performance statistics in chart and table format, making it easy to understand performance metrics and identify any potential issues. This allows the user to quickly identify and address any bottlenecks in the system, and make adjustments to improve performance.
質問 # 86
What is the minimum recommended amount of Flash capacity in a Dell EMC Unity 880 Hybrid pool?
- A. 15%
- B. 10%
- C. 8%
- D. 5%
正解：D
解説：
Explanation/Reference: https://www.delltechnologies.com/en-us/collaterals/unauth/white-papers/products/storage/ h15093-dell-emc-unity-best-practices-guide.pdf (16)
質問 # 87
Recent legislation requires a government customer to enhance data security by utilizing D@RE with SED drivers and use Level 3 certified security. Which KMS product should be recommended for use with Dell EMC SC Series arrays?
- A. Dell EMC CloudLink
- B. Gemalto SafeNet K460
- C. StorSecure StorMagic
- D. Thales Vormetric VTE
正解：B
解説：
Reference:
https://downloads.dell.com/manuals/all-products/esuprt_solutions_int/ esuprt_solutions_int_solutions_resources/s-solution-resources_white-papers108_en-us.pdf (9)
質問 # 88
You are designing a two-tiered Dell EMC SC Series solution that will be optimized for performance. You gather the necessary data from Live Optics and find that the read/write ratio is 80:20.
What approach is recommended?
- A. Size Tier 2 for 100% of the adjusted IOPS
- B. Use distributed adjusted IOPS for Tiers 1 and 2 only
- C. Size Tier 1 for 100% of the adjusted IOPS
- D. Use distributed adjusted IOPS for all tiers
正解：C
解説：
Explanation
"The engineer should design a system to handle all, or nearly all, IOPS in one particular tier"
質問 # 89
What provides data analytics for Dell EMC Midrange storage?
- A. CloudIQ
- B. eLab Advisor
- C. Unisphere Central
- D. DSM
正解：A
解説：
Reference:
https://advance.biz-tech-insights.com/whitepaper/h15387-cloudiq-top-reasons.pdf
質問 # 90
What component or feature is provided by both the Dell EMC Power Store1000T array and the Dell EMC Unity XT 380 Series array?
- A. Container Integration
- B. NVMe disks
- C. Unified System
- D. Configured Block with Hypervisor
正解：C
質問 # 91
A database volume on a Dell PowerStore cluster has a Protection Policy that is applied with a single snapshot rule The policy takes a snapshot every hour and retains them for 48 hours The storage administrator must present a copy of the database volume to a test environment Which action does the storage administrator take to meet this requirement?
- A. Create a thin clone of the database volume and map it to the test host
- B. Create a snapshot of the database volume and map it to the test host
- C. Restore the snapshot to a new test volume
- D. Create a new snapshot policy for the test volume
正解：D
質問 # 92
A customer wants to asynchronously replicate file data from a production Dell Unity 550F to a remote office in the same city with a UnityVSA When attempting to replicate one of the file systems the replication option is not available.
What should a technical architect advise the customer?
- A. The NAS server for the file system must be replicated
- B. Only synchronous replication is supported on file systems
- C. Asynchronous replication requires a greater replication distance
- D. Asynchronous replication is not supported to a UnityVSA
正解：D
解説：
https://www.dell.com/support/kbdoc/en-pk/000022790/dell-emc-unity-how-does-replication-work-with-compression-enabled
質問 # 93
A Dell PowerStore 9000X came online after being initially configured seven days ago The manager Ul shows capacity but no forecasting metrics Why are forecasting metrics not being displayed?
- A. There is not enough capacity in the appliance
- B. The capacity forecasting license must be installed
- C. Forecasting will not display until 16 days after initial configuration
- D. Forecasting was not turned on dunng configuration
正解：B
質問 # 94
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. Storage containers
- B. Volume Groups
- C. Storage Groups
- D. VMFS datastores
正解：A
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 # 95
A storage administrator is deploying a new Dell Unity XT 880F system The system will be used over FC by several hosts running production databases The system will also be used over iSCSI to several hosts running tesVdev workloads The administrator wants to prevent the test/dev hosts from using more than 5000 IOPS What Unity XT feature can be used for this configuration?
- A. FASTVP
- B. Thin clones
- C. LUN masking
- D. Host I/O limits
正解：D
解説：
Explanation
Dell Unity XT's Host I/O limits feature allows you to set limits on IOPS for individual hosts connected over iSCSI. This can be used to restrict the test/dev hosts to a maximum of 5000 IOPS
質問 # 96
What is one key difference between deduplication on Dell PowerStore and Dell Unity?
- A. Deduplication block size is smaller on PowerStore than on Unity
- B. Unity has no deduplication function
- C. Unity data reduction cannot be disabled
- D. Deduplication block size is larger on PowerStore than on Unity
正解：A
解説：
Explanation
Deduplication is a feature that reduces storage capacity usage by eliminating duplicate data. PowerStore and Unity both have deduplication function, but one key difference is the size of the deduplication block.
PowerStore uses a smaller block size which allows for a higher level of granularity and more efficient deduplication. On the other hand, Unity uses a larger block size which is less granular, but it is still efficient for large sequential data workloads.
質問 # 97
When a remove replication operation is performed on a Dell EMC PowerStore array, what happens to the destination storage resource?
- A. Taken offline
- B. Stays in read/write mode
- C. Stays in read-only mode
- D. Is deleted
正解：C
解説：
Explanation
"Removing a replication session is initiated on the source system by removing the protection policy from the Volume or Volume Group on the source system. Removing the protection policy from a storage resource results in the following: * The destination storage resource stays in read-only mode."
質問 # 98
When designing a Dell EMC SC Series system, which factors regarding general performance are important to understand?
- A. Transport and queue depth
- B. Latency and queue depth
- C. Write size and latency
- D. Block size and read size
正解：B
質問 # 99
You plan to schedule a Live Optics sampling with your customer to size a Dell EMC SC Series array.
However, the customer wants to postpone the run until the end of the quarter because there could be more activity on the current storage system.
What course of action is recommended?
- A. Wait until the end of the quarter and collect a week-long sampling
- B. Take a week-long sampling on any given week because that is sufficient in most instances
- C. Wait until the end of the quarter and collect a single-day sampling
- D. Take a single-day sampling on any given day because that is sufficient in most instances
正解：A
質問 # 100
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