[Oct 03, 2021] DES-1221 Ultimate Study Guide - BraindumpsPass
Ultimate Guide to Prepare DES-1221 Certification Exam for DCS-IE in 2021
NEW QUESTION 11
A customer wants to add capacity to their PowerStore 5000T. The system is populated with 6 NVMe SCM 750 GB drives. What is the maximum number and type of drives that can be added to the base enclosure?
- A. 15 NVMe SSD
- B. 15 NVMe SCM
- C. 17 NVMe SSD
- D. 17 NVMe SCM
Answer: B
NEW QUESTION 12
Which ports are recommended for use as the interconnect between the two Dell supplied Data Switches connected to PowerStore?
- A. Two 10 GigE
- B. Two 25 GbE
- C. Two 100 GigE
- D. Four 1 GbE
Answer: C
Explanation:
Reference:
https://www.delltechnologies.com/en-us/collaterals/unauth/white-papers/products/storage/h18241- dell-emc-powerstore-best-practices-guide.pdf (12)
NEW QUESTION 13
What does the remote replication Failover operation do?
- A. Fully synchronizes the source and destination data states and stops the current replication session
- B. Promotes the destination system to production with its replica data consistent to the last successful RPO synchronization state
- C. Fully synchronizes the source and destination data states and reverses the replication direction
- D. Promotes the destination system to production and resets the RPO synchronization cycle in the protection policy
Answer: D
Explanation:
Explanation/Reference: https://www.dell.com/support/manuals/en-pk/powerstore-25-dae/pwrstr-protect-data/replication?guid=guid-7641aeec-982e-4e4e-85fb-c50f525635db&lang=en-us
NEW QUESTION 14
What describes the remote replication Failover operation?
- A. It is run automatically by the replication destination system in the event of a source system outage
- B. It is run from the replication destination system by the administrator in the event of a source system outage
- C. It is run automatically by the replication source system in the event of a source system outage
- D. It is run from the replication source system by the administrator in the event of an outage on the system
Answer: B
Explanation:
Explanation/Reference: https://www.dell.com/support/manuals/en-pk/powerstore/pwrstr-protect-data/replication?
guid=guid-7641aeec-982e-4e4e-85fb-c50f525635db&lang=en-us
NEW QUESTION 15
When planning rack layout, why should base enclosures be grouped together?
- A. Rack weight balance
- B. Hot aisle requirement
- C. Ease of cable management
- D. Power distribution requirements
Answer: C
NEW QUESTION 16
Match the CLI command to the appropriate configuration.
Answer:
Explanation:
NEW QUESTION 17
What is the total number of NVRAM devices used in PowerStore 3000?
- A. Up to 6
- B. Up to 21
- C. 0
- D. 1
Answer: D
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 18
A customer is new to PowerStore and asks if there are any differences between the A and B back-end ports.
What is the correct response?
- A. All ports on the base enclosure are output ports
- B. All ports on the base enclosure are input ports
- C. "A" ports are output ports and "B" ports are input ports
- D. "A" ports are input ports and "B" ports are output ports
Answer: D
NEW QUESTION 19
Use the simulator to generate and download logs from all appliances in the PowerStore cluster. When you have finished using the simulator, Click Next.
Answer:
Explanation:
Below are the exhibits solution for this simulation.
NEW QUESTION 20
What is the logical block size when creating and formatting volumes on PowerStore for Windows hosts?
- A. 64 kilobytes
- B. 4096 bytes
- C. 512 bytes
- D. 520 bytes
Answer: C
Explanation:
Reference: https://www.dell.com/support/manuals/en-pk/powerstore/pwrstr-hcg/disk-formatting?guid=guid-
27740e37-8432-4241-a3d7-bf18843a94ce&lang=en-us
NEW QUESTION 21
Correctly arrange the sequence of the write operation in PowerStore.
Answer:
Explanation:
Explanation
Write Operation
The graphic explains the process when the PowerStore receives a write request.
1: Step 1.
In this example, an I/O enters Node B and is saved within the Node
DRAM memory. The I/O is analyzed to determine:
1. What type of I/O it is.
2. What resource it is intended for.
3. The location within the resource being updated or requested.
4. And other metadata information.
2: Step 2.
If the I/O is determined to be a write, the data is copied into the write cache on the NVRAM drives. After the information is stored within the write cache, the information stored within the DRAM memory is considered clean as it no longer has the latest copy of the information. This data then becomes part of the read cache, until it is later replaced in cache by newer or more highly accessed data.
3: Step 3.
For each write I/O that enters the system, the information is passed
between the Nodes using tokens. This operation updates the peer node that a new write has been received and that it has the newest copy of the data. A token includes information about the I/O such as what resource was updated and the address within the resource that was updated. A token also includes information Data Efficiency about the location the I/O was saved to within the write cache. If the peer Node requests that information, the Node can access the data within the NVRAM drives using its own internal channels.
4: Step 4.
After the information is safely stored on the nonvolatile media of the NVRAM drives and all other actions are complete, the host is acknowledged.
5: Step 5.
After the host is acknowledged, data is copied from the Write Cache and is passed through the deduplication and compression logic. The remaining data is then assembled into 2 MB stripes and saved to the back-end storage.
Reference:
https://www.delltechnologies.com/resources/en-us/asset/white-papers/products/storage/h18151-dell-emc- powerstore-data-efficiencies.pdf
NEW QUESTION 22
Match the correct Base Enclosure port in column A to the Expansion Enclosure port in column B to show the correct cabling for adding a single expansion enclosure to a base enclosure.
Answer:
Explanation:
Reference:
https://www.dell.com/support/manuals/en-pk/powerstore/pwrstr-isg/cable-the-base-enclosure-to-the-expansion-enclosure?guid=guid-d68d049f-2b77-489f-b1ab-553f4f3de8aa&lang=en-us
NEW QUESTION 23
What are the IP requirements for ICW on PowerStore X and PowerStore T models?
- A. PowerStore T requires five management IP addresses and PowerStore X requires six management IP addresses
- B. PowerStore T requires three storage IP addresses and PowerStore X requires five storage IP addresses
- C. PowerStore T requires seven storage IP addresses and PowerStore X requires three storage IP addresses
- D. PowerStore T requires four management IP addresses and PowerStore X requires six management IP addresses
Answer: D
NEW QUESTION 24
An administrator is trying to set a performance policy while creating a Thin Clone of a volume group. Why is the option to set performance policy unavailable?
- A. Performance policy can only be set on a Thin Clone volume
- B. Thin Clones cannot be created using a volume group
- C. No Volumes are added in the volume group
- D. Volumes in the volume group are not mapped to any hosts
Answer: B
NEW QUESTION 25
Refer to the Exhibit.
Which port location in the graphic is used for network management connectivity on a PowerStore T?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 26
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