[2023年更新]合格できるEMC DES-1D12試験最新152問題 [Q13-Q36]

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[2023年更新]合格できるEMC DES-1D12試験最新152問題

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EMC DES-1D12試験では、ミッドレンジストレージソリューションの設計と実装に不可欠な幅広いトピックをカバーしています。試験で説明されているトピックには、ストレージテクノロジー、ストレージネットワーク、バックアップと回復、仮想化、クラウドコンピューティングが含まれます。この試験では、データ移行、災害復旧、データ保護などの高度なトピックについてもカバーしています。

EMC DES-1D12認定試験は、ミッドレンジストレージソリューションを専門とするテクノロジーアーキテクト向けに設計されています。この試験は、中級レベルの認証と見なされ、候補者がミッドレンジストレージソリューションに関連する知識とスキルについてテストするように設計されています。この試験では、ストレージプラットフォーム、ストレージネットワーキングテクノロジー、データ保護と管理など、さまざまなトピックをカバーしています。

13、How does configuring snapshot retention differ when manually creating snapshots in the Dell EMC Unity GUI, compared to using the Unity CLI?

Manually created snapshots have the “No automatic deletion’ option. Snapshots created with Unity CLI do not have the No automatic deletion’ option.

The retention period for manually created snapshots can be hours or days. The retention period for snapshots created with Unity CLI is days.

Manually created snapshots do not have the ‘No automatic deletion’ option. Snapshots created with Unity CLI have the ‘No automatic deletion’ option.

The retention period for manually created snapshots is days. The retention period for snapshots created with Unity CLI can be hours or days.

14、What is a key feature of the Dell EMC Future-Proof Storage Loyalty Program for Dell EMC SC Series arrays?

4:1 Performance Guarantee

4 Year Satisfaction Guarantee

4:1 Reduction Guarantee

4:1 Efficiency Guarantee

Dell EMC Flash Storage Efficiency Guarantee Dell EMC promises our flash arrays will provide a logical usable capacity at least four times the usable physical capacity of your purchased drives -or we’ll give you more drives at no charge. https://www.delltechnologies.com/en-us/blog/dell-emc-flash-storage-efficiency/

15、How many hierarchical snapshots are supported by Dell EMC Unity?

32 levels deep for LUNs
16 levels deep for file systems

16 levels deep for LUNs
8 levels deep for file systems

16 levels deep for LUNs
16 levels deep for file systems

10 levels deep for LUNs
10 levels deep for file systems

Explanation
https://elabnavigator.emc.com/vault/pdf/EMC_Unity_ESSM.pdf (pag.22)

16、What is the maximum capacity of a file system on a Dell Unity XT 380?

64 TB

32 TB

256 TB

128 TB

Explanation
Dell Unity XT systems are designed to provide high-performance and high-capacity storage for a variety of workloads, and they support a variety of file systems and protocols, including NFS, CIFS, and SMB. The file system capacity will be determined by the number of drives and the RAID level used in the system.

17、Which features were introduced in SCOS 7.3?

Distributed Sparing and Live Volume ALUA

Data-in-Place upgrade for SC4020 and 4K HDD support

Unisphere for SC and Live Volume Auto-failover

CloudlQ support and Cross Platform Replication

Explanation/Reference: https://www.delltechnologies.com/en-us/blog/storage-center-os-7-3-brings-big-performance- boost-to-sc-series-arrays/

18、A customer wants to utilize D@RE with SED drives on their Dell EMC SC Series arrays. They inquire about which KMS provider is supported for these arrays.
What should be your response?

IBM Security Key Lifecycle Manager

CloudLink from Dell EMC

StorSecure from StorMagic

SafeNet KeySecure from Gemalto

19、How many PCI-E lanes are provided for Slot 0 and Slot 1 in Dell EMC Unity XT arrays?

8 for Slot 0; 8 for Slot 1

16 for Slot 0; 16 for Slot 1

8 for Slot 0; 16 for Slot 1

16 for Slot 0; 8 for Slot 1

20、When designing a Dell EMC SC Series system, which factors regarding general performance are important to understand?

Write size and latency

Block size and read size

Latency and queue depth

Transport and queue depth

Explanation
“Whether gathering information or designing a system, it is important to understand two commonly used terms: Latency and queue depth”

21、A company has a Dell EMC SCv2000 array and want to configure coss-platform replication with Dell PS Series arrays.
What should you recommend?

Update PS, SC array firmware, and Unisphere for SC to latest versions

Perform a data in place upgrade (DIP) to SCv3000

Perform a Live Migrate of the data to SCv3000

Update PS, SC array firmware, and Dell EMC Storage Manager to latest versions

22、Which QoS option is NOT supported by Dell EMC Unity XT?

Attached Snapshot

Individual or Group LUN

VMFS Datastore

iSCSI

23、When implementing FAST VP, which Dell EMC best practices should be followed?

Use the Auto Tier policy Schedule relocations continually during normal operations

Use the Start High then Auto Tier policy Maintain at least 10 percent pool capacity

Use the Start High then Auto Tier policy Maintain at least 15 percent pool capacity

Use the Start High then Auto Tier policy Maintain at least 5 percent pool capacity

24、Match each term with its description.

25、What is the purpose of the NVMe NVRAM drives in a Dell EMC PowerStore 1000 array?

Read cache and vaulting

Read cache and base OS

Write cache and base OS

Write cache and vaulting

Explanation
The base enclosure is an all-NVMe platform, capable of supporting NVMe SSD, NVMe SCM, and NVMe NVRAM drives. You can populate slots 0 through 20 with NVMe SSD or NVMe SCM drives. Slots 21 through 24 are reserved for NVMe NVRAM drives which serve as additional system write caching.
PowerStore 1000 and PowerStore 3000 models contain two NVMe NVRAM drives in slots 23 and 24.

26、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?

Forecasting was not turned on dunng configuration

The capacity forecasting license must be installed

There is not enough capacity in the appliance

Forecasting will not display until 16 days after initial configuration

27、A customer configures their Live Volume setup for synchronous replication with the High Availability option. They are designing a DR resiliency plan to ensure data integrity in the event of data corruption.
Which Dell EMC SC Series technology should they use?

Live Volume with Uniform Presentation

Live Volume with Non-Uniform Presentation

Live Volume with Managed Replication

Synchronous Replication with High Consistency

28、What is a feature of Dell EMC Unity unified snapshots?

Redirect on Write

Delta set extension

Copy on First Write

Copy on First Access

29、When implementing FAST VP, which Dell EMC best practices should be followed?

Use the Start High then Auto Tier policy
Maintain at least 15 percent pool capacity

Use the Auto Tier policy –
Schedule relocations continually during normal operations

Use the Start High then Auto Tier policy
Maintain at least 10 percent pool capacity

Use the Start High then Auto Tier policy
Maintain at least 5 percent pool capacity

30、Which features were introduced in SCOS 7.3?

Distributed Sparing and Live Volume ALUA

Data-in-Place upgrade for SC4020 and 4K HDD support

Unisphere for SC and Live Volume Auto-failover

CloudlQ support and Cross Platform Replication

https://dl.dell.com/topicspdf/sc-7-3_rn_en-us.pdf

31、What is achieved by adding a top tier of SSDs when designing a Dell Unity XT hybrid solution with FAST VP and FAST Cache?

Isolates file top-talkers I/O from block data I/O

Improves compression space efficiencies

Provides an additional data redundancy layer

Helps keep paged metadata on FLASH media

Explanation
FAST VP (Fully Automated Storage Tiering for Virtual Pools) and FAST Cache (Fully Automated Storage Tiering for Cache) are features that allow you to optimize the performance of your storage by automatically moving data between different storage tiers based on usage patterns. The SSD tier is used to store frequently accessed metadata, such as file system structures, directories, and inode tables, which are accessed frequently and are small enough to fit in the SSD cache. Keeping paged metadata on flash media improves the overall system performance, as it allows for faster access to the metadata, reducing the latency and the number of I/O operations needed to access it.

32、A customer site has four NAS servers participating in MetroSync replication. Which Dell EMC Unity feature could reduce failover times?

QoS Failover Policy

Cabinet Failover

SRDF Metro

Consistency Groups

33、What is a key feature of the Dell EMC Future-Proof Storage Loyalty Program for Dell EMC SC Series arrays?

4:1 Performance Guarantee

4 Year Satisfaction Guarantee

4:1 Reduction Guarantee

4:1 Efficiency Guarantee

Reference:
https://www.dell.com/pk/business/p/storage-sc-all-flash/pd

34、What are the two biggest factors that determine IOPS when using SSDs in a Dell EMC SC Series array?

Current latency and queue depth

Application block size and overall throughput

Multi-tenant arrays and tier configuration

Read/write percentage and peak workload

35、A Dell PowerStore protection policy contains two snapshot rules and one replication rule Which storage resources will run only the snapshot rules?

Virtual Machines and File Servers

Volumes and Volume Groups

Virtual Machines and File Systems

Volume Groups and File Systems

36、A customer has a fully scaled-out Dell PowerStore T cluster and wants to ensure that PowerStore Manager is in a highly available configuration How many instances of PowerStore Manager should be installed, and why?

Four A customer should install one instance per appliance in the cluster

Zero PowerStore Manager runs highly available by default

Eight A customer should install one instance per node in the cluster

Two PowerStore Manager needs at least two instances for a highly available configuration

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高合格率DES-1D12テスト問題集解答と正解152問題と回答：https://www.goshiken.com/EMC/DES-1D12-mondaishu.html

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[2023年更新]合格できるEMC DES-1D12試験最新152問題 [Q13-Q36]

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