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What is the duration of the DES-1D12 Exam
- Format: Multiple choices, multiple answers
- Length of Examination: 120 minutes
- Number of Questions: 60
- Passing Score: 60%
NEW QUESTION 37
Which QoS options are supported by Dell EMC Unity XT?
- A. VMFS Datastore and Storage Pool
- B. Individual LUN and iSCSI
- C. Individual LUN and Group LUN
- D. iSCSI and Attached Snapshot
Answer: C
NEW QUESTION 38
What is the purpose of the NVMe NVRAM drives in a Dell EMC PowerStore 9000 array?
- A. Write cache and base OS
- B. Read cache and base OS
- C. Read cache and vaulting
- D. Write cache and vaulting
Answer: D
Explanation:
Reference:
https://www.delltechnologies.com/en-us/collaterals/unauth/white-papers/products/storage/h18149- dell-emc-powerstore-platform-introduction.pdf (12)
NEW QUESTION 39
What are the two biggest factors that determine IOPS when using SSDs in a Dell EMC SC Series array?
- A. Multi-tenant arrays and tier configuration
- B. Application block size and overall throughput
- C. Read/write percentage and peak workload
- D. Current latency and queue depth
Answer: B
Explanation:
The reason there is such a large range in the number of IOPS delivered by SSDs is the IOPS are truly dependent on the type of traffic the SC Series was designed to handle. The two biggest factors that will determine IOPS in an SSD environment are block size of the application and overall throughput.
NEW QUESTION 40
When designing a Dell EMC SC Series system, which factors regarding general performance are important to understand?
- A. Write size and latency
- B. Block size and read size
- C. Latency and queue depth
- D. Transport and queue depth
Answer: C
Explanation:
"Whether gathering information or designing a system, it is important to understand two commonly used terms: Latency and queue depth"
NEW QUESTION 41
What is a characteristic of single-tier Flash on Dell EMC SC Series arrays?
- A. Read only data is migrated to lower tiers when a snapshot is taken
- B. Supports either write-intensive or read-intensive SSDs in the same tier
- C. Supports both write-intensive and read-intensive SSDs in the same tier
- D. Snapshot data is kept on Tier1 in RAID 10 to optimize performance
Answer: B
NEW QUESTION 42
A Dell EMC PowerStore customer wants to schedule snapshots daily at 6 AM. Which snapshot frequency interval (in minutes) is available?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 43
When a remove replication operation is performed on a Dell EMC PowerStore array, what happens to the destination storage resource?
- A. Stays in read/write mode
- B. Stays in read-only mode
- C. Is deleted
- D. Taken offline
Answer: A
NEW QUESTION 44
When a remove replication operation is performed on a Dell EMC PowerStore array, what happens to the destination storage resource?
- A. Stays in read-only mode
- B. Is deleted
- C. Taken offline
- D. Stays in read/write mode
Answer: A
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."
NEW QUESTION 45
Which Dell EMC SC Series array allows for back-end expansion cards?
- A. SCv3000
- B. SC5020
- C. SC7020
- D. SCv3020
Answer: A
Explanation:
Reference:
https://i.dell.com/sites/doccontent/business/solutions/brochures/en/Documents/ scv3000_series_spec_sheet_dellemc.pdf
NEW QUESTION 46
What is a key feature of the Dell EMC Future-Proof Storage Loyalty Program for Dell EMC SC Series arrays?
- A. 4:1 Efficiency Guarantee
- B. 4:1 Performance Guarantee
- C. 4:1 Reduction Guarantee
- D. 4 Year Satisfaction Guarantee
Answer: A
NEW QUESTION 47
Which features were introduced in SCOS 7.3?
- A. Unisphere for SC and Live Volume Auto-failover
- B. Data-in-Place upgrade for SC4020 and 4K HDD support
- C. Distributed Sparing and Live Volume ALUA
- D. CloudlQ support and Cross Platform Replication
Answer: C
Explanation:
Explanation/Reference: https://www.delltechnologies.com/en-us/blog/storage-center-os-7-3-brings-big-performance- boost-to-sc-series-arrays/
NEW QUESTION 48
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 you use?
- A. Live Volume with Managed Replication
- B. Live Volume with Non-Uniform Presentation
- C. Live Volume with Uniform Presentation
- D. Synchronous Replication with High Consistency
Answer: A
Explanation:
Reference:
(7)
NEW QUESTION 49
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. Take a single-day sampling on any given day because that is sufficient in most instances
- 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 week-long sampling
- D. Wait until the end of the quarter and collect a single-day sampling
Answer: C
NEW QUESTION 50
The last two drive slots in a Dell EMC PowerStore 3000 are reserved for which type of drive?
- A. NVMe SCM
Section: (none)
Explanation - B. NVMe SSD
- C. NVMe NVRAM
- D. SAS SSD
Answer: C
Explanation:
Reference:
https://volumes.blog/2020/05/05/whats-is-powerstore-part-2-hardware/#:~:text=On%20the% 20PowerStore%201000%20and,(2)%20NVMe%20NVRAM%20devices.&text=PowerStore%20supports% 20four%20types%20of,in%20specific%20locations%20and%20enclosures
NEW QUESTION 51
What is a benefit of cross-platform replication between Dell EMC SC Series and Dell PS Series arrays?
- A. Enables replication of volume collections
- B. Leverages existing interfaces
- C. Supports cascade mode for the PS Group
- D. Provides active snapshot replication
Answer: D
NEW QUESTION 52
A customer is managing a Dell EMC SC7020 array running SCOS 7.2. The array is running out of capacity. The customer asks you to begin scoping the system for additional drives. What disk drive redundancy rule applies to 3.84 TB SSDs?
- A. Forced Non-Redundancy
- B. Default Dual Redundancy
- C. Default Single Redundancy
- D. Forced Dual Redundancy
Answer: B
NEW QUESTION 53
What is a benefit of restoring data from a Dell EMC Unity snapshot?
- A. Does not require additional pool storage
- B. Can select which Consistency Group members have data restored
- C. Enables efficient storage usage with 8 KB block granularity
- D. Supports replication to up to 32 remote systems
Answer: A
NEW QUESTION 54
What is the minimum recommended amount of Flash capacity in a Dell EMC Unity 880 Hybrid pool?
- A. 8%
- B. 5%
- C. 15%
- D. 10%
Answer: B
NEW QUESTION 55
Match each Dell EMC Unity feature with its destination.
Answer:
Explanation:
Reference:
https://www.delltechnologies.com/resources/en-us/asset/white-papers/products/storage/h15572- dell_emc_unity-nas_capabilities.pdf
NEW QUESTION 56
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