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NEW QUESTION # 140
Which methods are available to migrate storage resources from one Dell PowerStore appliance to another within the same cluster?
- A. Assisted Migration and Live Migrate
- B. Migrate and Assisted Migration
- C. Volume Motion and Live Migrate
- D. Assisted Migration and Volume Motion
Answer: D
Explanation:
The Dell PowerStore appliance provides two methods to migrate storage resources within the same cluster: Assisted Migration and Volume Motion.
Assisted Migration: This method allows the administrator to manually initiate and control the migration process, and it allows for the migration of individual resources such as LUNs, file systems and snapshots.
Volume Motion: This method allows the administrator to move a LUN or file system from one storage pool to another on the same PowerStore appliance or within the same cluster. This is done without any disruption to the hosts accessing the data and it can be automated with the use of policies. It's important to note that the Live Migrate and Migrate options are not available to migrate storage resources within the same cluster in Dell PowerStore.
NEW QUESTION # 141
What is the minimum RPO that can be configured on a Dell Unity XT block-asynchronous replication session?
- A. 5 minutes
- B. 60 minutes
- C. 20 minutes
- D. 1 minute
Answer: A
Explanation:
The minimum RPO (Recovery Point Objective) that can be configured on a Dell Unity XT block- asynchronous replication session is 5 minutes. RPO is a measure of how much data can be lost in the event of a disaster, and it's typically measured in minutes. The lower the RPO, the less data can be lost. Block-asynchronous replication is a replication method that copies data blocks, rather than files, between the source and the target. The data is copied at regular intervals, and if a disaster occurs at any point in time, the data on the target will be no more than 5 minutes old.
The shorter the RPO, the more frequently data is copied and the less data is at risk of being lost in case of a disaster. It's important to note that this is the minimum RPO for block-asynchronous replication, it can be set to a higher value if needed.
NEW QUESTION # 142
Which algorithm is used to flush FAST Cache?
- A. LIFO
- B. LRU
- C. MRU
- D. FIFO
Answer: B
NEW QUESTION # 143
You are adding a Linux host running Oracle to a Dell Unity XT Hybrid array. The customer requires the Oracle application to have low I/O latency and be deployed on available 10K SAS or NL-SAS drives. Which Dell Unity XT feature would meet the customer requirements?
- A. FAST Cache
- B. Quotas
- C. FAST VP
- D. Dynamic pools
Answer: C
NEW QUESTION # 144
A customer has a PowerStore 3200T system with only base enclosure consisting of 15 SSD 1920 GB drives and wants to expand the available capacity. What is the most cost-effective drive addition from a raw and usable capacity perspective to achieve the result wanted by the customer?
- A. 6 x 1920 NVMe SSD drives
- B. 6 x 750 GB NVMe SCM drives
- C. 6 x 3840 NVMe SSD drives
Answer: C
Explanation:
Adding 6 x 3840 GB NVMe SSD drives is the most cost-effective way to expand the capacity of a PowerStore
3200T system. This addition provides a significant increase in both raw and usable capacity, offering a better balance of performance and cost compared to smaller or more expensive drive options.
NEW QUESTION # 145
What command is used to gather data from Brocade switches?
- A. supportshow
- B. show all
- C. show tech-support details
Answer: A
NEW QUESTION # 146
A technical architect is designing a Dell Unity XT 480 using the System Designer option of Sizer. What is the recommended minimum amount of Flash that they should specify?
- A. 10%
- B. 15%
- C. 7%
- D. 5%
Answer: B
Explanation:
When designing a Dell Unity XT 480 using the System Designer option of Sizer, the recommended minimum amount of Flash to specify is 15%. This ensures that there is sufficient flash capacity to handle performance-intensive workloads and provides a good balance between performance and cost. Flash storage is crucial for achieving high IOPS and low latency in the storage system. Reference:Dell Unity XT Sizing Guide
NEW QUESTION # 147
Which Dell PowerStore migration method is recommended to remediate an out of space condition?
- A. Migrate
- B. Live Migrate
- C. Auto Placement
- D. Assisted Migration
Answer: D
Explanation:
The assisted migration allows you to move data to a new storage pool with more capacity. This process can be done while the data is still online and accessible to hosts, and it allows you to add or replace drives, expand pools, and move data to a new array without any disruption.
NEW QUESTION # 148
When sizing a Dell Unity XT hybrid system, for which class of data are NL-SAS drives sized?
- A. Active
- B. Compressed
- C. Deduplicated
- D. Inactive
Answer: D
NEW QUESTION # 149
A storage administrator is trying to create a new hybrid pool on their Dell Unity XT 680.
They want to add:
- 18x3.84 TBSSD drives
- 72x 1200 GB 10K SAS drives
- 64x 12 TBNLSAS drives
However, this action is not being permitted by the Unity software.
What is the reason for this?
- A. There are too many disks in the SAS tier
- B. 3.84 TB SSD are only supported in all flash pools
- C. 12 TB NLSAS drives are only permitted in archive pools
- D. The pool must be created with only a single drive type
Answer: B
Explanation:
The storage administrator is not able to create a new hybrid pool on their Dell Unity XT 680 because the 3.84 TB SSD drives are only supported in all flash pools. Dell Unity XT supports the use of SSDs in all-flash pools, where the entire pool is built from SSD drives, to provide high performance for I/O-intensive workloads.
NEW QUESTION # 150
An administrator wants to use NAS Server Mobility to move a NAS server from SPA to SPB on a Dell Unity system.
What consideration must they be aware of?
- A. DNS configuration will be lost after the move
- B. Any replication sessions must be in a paused state before starting the move
- C. The system must be in service mode to complete the move
- D. NAS Server Mobility is no longer supported following a software update
Answer: B
Explanation:
When using NAS Server Mobility to move a NAS server from SPA to SPB on a Dell Unity system, an administrator must be aware that any replication sessions must be in a paused state before starting the move. This means that any data replication sessions that are configured for the NAS server must be temporarily stopped to avoid data inconsistencies or data loss during the move.
Once the move is complete, the replication sessions can be resumed, and data replication will continue as normal. NAS Server Mobility is still supported by Dell Unity, so it's not a concern of the move. The system does not need to be in service mode to complete the move, and the DNS configuration won't be lost after the move, the administrator should make sure that the DNS entries for the NAS server are updated to reflect the new location.
NEW QUESTION # 151
Which two statements are correct for a PowerStore 5200T with mixed SSD and SCM drive combination?
(Select 2)
- A. SSD drives are used for metadata tiering.
- B. Expansion Enclosures are supported.
- C. NVMe drives are not used for Caching and Vaulting.
- D. SCM drives do not add to usable capacity.
Answer: B,D
Explanation:
For a PowerStore 5200T system with a mixed SSD and SCM (Storage Class Memory) drive combination, the following statements are correct:
* Expansion Enclosures are supported:PowerStore 5200T supports expansion enclosures, allowing for the addition of more drives to increase storage capacity and performance. This flexibility is crucial for scaling the storage system to meet growing data requirements.
* SCM drives do not add to usable capacity:SCM drives in the PowerStore 5200T are primarily used for caching purposes rather than for adding to the system's usable capacity. These drives improve performance by accelerating data access times but do not contribute directly to the overall storage capacity.
References:
* Dell Technologies PowerStore 5200T Documentation
* Dell Entry-Level and Mid-Range Storage Community
NEW QUESTION # 152
How many writes per day are SAS Flash 4 drives rated at?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
Explanation:
SAS Flash 4 drives in Dell Unity XT arrays are rated at 1 write per day. This rating indicates the drive's endurance level and how many times the entire drive capacity can be written to per day over its warranty period. This level of endurance is designed to balance performance, cost, and reliability for general-purpose workloads.
NEW QUESTION # 153
What is the recommended number of IP addresses for optimal performance of PowerStoreX?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION # 154
What are all the capabilities of a Dell Unity XT hybrid system that optimize for workload skew?
- A. FAST VP and Cache
- B. Cache, FAST Cache, and FAST VP
- C. FAST Cache, Cache, and HDDs
- D. HDDs and FAST Cache
Answer: B
NEW QUESTION # 155
Which Dell EMC Unity storage array models support NVMe?
- A. 380, 380F, and 480F
- B. 380, 880, and 880F
- C. 680, 680F, 880, and 880F
- D. 680F, 880, and 880F only
Answer: C
Explanation:
https://delltechnologies.techdata.nl/app/uploads/2019/02/dell-emc-unity-xt-selling-guide.pdf
NEW QUESTION # 156
What command is used to gather data from Cisco switches?
- A. show all
- B. show tech-support details
- C. supportshow
Answer: B
NEW QUESTION # 157
A customer site has four NAS servers participating in MetroSync replication. Which Dell EMC Unity feature could reduce failover times?
- A. QoS Failover Policy
- B. SRDF Metro
- C. Cabinet Failover
- D. Consistency Groups
Answer: C
NEW QUESTION # 158
When designing a system to support Oracle OLAP Workload for a new customer with no I/O details, what are the default selections for the I/O profile input in sizer?
- A. Random Read: 50% at 32 KiB Random Write: 50% at 32 KiB
- B. Random Read: 70% at 8 KiB Random Write: 30% at 8 KiB
- C. Sequential Read: 70% at 8 KiB Sequential Write: 30% at 8 KiB
- D. Sequential Read: 80% at 8 KiB Sequential Write: 20% at 8 KiB
Answer: B
Explanation:
When designing a system to support an Oracle OLAP (Online Analytical Processing) Workload for a new customer without specific I/O details, the default selections for the I/O profile input in the sizer tool are typically set to "Random Read: 70% at 8 KiB, Random Write: 30% at 8 KiB." Here's a detailed explanation:
* Oracle OLAP Workload Characteristics:OLAP workloads generally involve heavy read operations with a focus on retrieving and analyzing large datasets. The read operations are often random due to the nature of querying various parts of the data.
* Default I/O Profile Selection:
* Random Read:70% - This reflects the high read intensity typical of OLAP workloads, where data is accessed non-sequentially.
* Random Write:30% - Although less frequent than reads, writes still occur randomly as new data is added or existing data is updated.
* Sizer Tool Configuration:The Dell sizer tool uses these default I/O profile settings to estimate the required storage performance and capacity. This helps in designing a system that can handle the expected workload efficiently.
* Performance Optimization:The chosen I/O profile ensures that the storage system is optimized for the specific access patterns of OLAP workloads, providing a balanced approach to handling both reads and writes.
References:
* Dell Technologies PowerStore Documentation
* Dell Entry-Level and Mid-Range Storage Community
* Dell Storage Products Overview
By understanding the default I/O profile settings used by the sizer tool, system designers can ensure that the storage solution is well-suited to meet the demands of Oracle OLAP workloads.
NEW QUESTION # 159
What activity is initiated along with the site evaluation to ensure the solution being sold is supported in a customer environment?
- A. Remediation
- B. Implementation
- C. Sizing
- D. Design
Answer: A
NEW QUESTION # 160
The last two drive slots in a Dell EMC PowerStore 3000 are reserved for which type of drive?
- A. SAS SSD
- B. NVMe NVRAM
- C. NVMe SSD
- D. NVMe SCM
Answer: B
NEW QUESTION # 161
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