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Dell PowerFlex Solutions Design 2023 > PowerFlex Practice Questions > Flashcards

PowerFlex Practice Questions Flashcards

1
Q

What role do fault sets play in PowerFlex architecture?

A

providing resilience against node failures

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2
Q

Place the steps in the correct order to change the server BIOS password?

A

verify the password status is unlocked
change the existing system password
get into the system setup main menu
change the existing setup password

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3
Q

Which factors should be considered when configuring RAID levels in PowerFlex systems?

A

IO Patterns
Data redundancy
Disk type

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4
Q

Which PowerFlex software allows the cluster to make data available over NAS?

A

FSN

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5
Q

When designing a PowerFlex solution, why is it important to capture and validate the design with a customer?

A

to confirm alignment with business goals

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6
Q

Why is it important to integrate PowerFlex solutions with existing security systems?

A

to enhance overall system security and integrity

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7
Q

Which PowerFlex Manager activity can the system admin role perform?

A

Lifecycle operations

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8
Q

What is the default value of paths per volume when adding an NVMe host?

A

8

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9
Q

An engineer must permanently remove a node from a 10 node PowerFlex system. The node is the primary MDM. What must they do before they remove the node to avoid errors and maintain availability?

A

use PowerFlex Manager to reconfigure MDM roles

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10
Q

Which components of a PowerFlex cluster should be included in a comprehensive backup plan?

A

MDMs
Storage Pools

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11
Q

A customer in a large enterprise environment is planning to deploy hundreds of internally supported third-party nodes over the next six months What PowerFlex platform must be used for this deployment?

A

Software only

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12
Q

A customer recently expanded their PowerRex rack solution from two cabinets to five cabinets What should be done to optimize redundancy of the MDM roles?

A

Add Standby MDMs to Cabinet 3 Cabinet 4 and Cabinet 5

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13
Q

A customer must restore PowerFlex Manager from a previous backup How can they accomplish this task*?

A

Select Restore Irom the Serviceability page in PowerFlex Manager

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14
Q

In a test-dev PowerFlex appliance environment, there are two Compute Only nodes five Storage Only nodes, and one Management node An architect wants to create Fault Sets using all available servers but is unable to do so What is the cause of this issue?

A

there are not enough Storage Only nodes.

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15
Q

What is the maximum number of SDSs per protection domain of the PowerFlex rack?

A

128

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16
Q

An administrator is creating a NAS server with a Standalone Windows server. Creation of trie NAS server fails What is the cause of the failure?

A

A storage pool for NAS has not been created

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17
Q

Where must a customer go to generate a software troubleshooting bundle?

A

PowerFlex Manager Serviceability

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18
Q

Which two aspects must be in place before adding a Fault Set? (Select 2)

A

Protection Domain
Storage Pool

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19
Q

A bank is creating a data center The storage solution must have integrated, fully configured hardware with a single management platform The solution must be supported end-to-end by Dell Which PowerFlex system meets these requirements?

A

PowerFlex Rack

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20
Q

Which component of the PowerFlex cluster provides server metrics such as telemetry thermal data and sets the server configuration profile?

A

iDRAC

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21
Q

A volume has a snapshot policy assigned and snapshot creation is failing What is the cause of this issue?

A

the snapshot is the 61st created by the policy

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22
Q

A user is attempting to write tiles to a Power Flex File share The share was created with default settings and contains approximately 15 000 files Ten days ago the number of files exceeded the soft limit quota but is still below the hard limit quota What happens if the user attempts to write a new file to the share location?

A

the file is written as the hard limit has not been reached

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23
Q

An administrator is adding an NVMe device to an existing storage pool They provide the following details in the Add Storage Device to SDS dialog box
· Device Path /dev/disk/by-id’Dell_Express_Flash_NVMe_PM1725V6TB_SFF _S2JPNA0J500141
· Device Name NVMe A. 1.6 TB
· Storage Pool SP-1
What is the result of this action’?

A

the device additional fails due to an invalid path

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24
Q

A customer has ordered five servers with NVDlMMs Each server has 5 x 3 84 TB SAS and 5 x 3 84 T8 NVMe disks They want to ensure that the highest capacity ot storage is available to the system Which design provides the required storage pool structure?

A

one storage pool and one acceleration pool

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25
Q

Which policy determines the priority of reconstructing data after a failure?

A

rebuild throttling

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26
Q

An administrator is migrating a vTree for a snapshot to a different storage pool What is a restriction few the migration?

A

The migration is between storage pools with a different data layout with multiple volumes in the vTree

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27
Q

For what reason would an administrator choose to set the Force Clean SDS option to YES when adding devices to an SDS In the PowerFlex system?

A

Overwrite existing data on the device during the addition process

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28
Q

What is the significance of regularly testing backup and restore procedures in a PowerFlex environment?

A

It verifies the integrity and availability of backups

29
Q

Which deployment model allows for flexible scaling of compute and storage resources independently?

A

Distributed

30
Q

What is a key characteristic of PowerFlex architecture?

A

Software-defined storage

31
Q

Which component is crucial for configuring storage pools in PowerFlex?

A

Storage Pool Manager

32
Q

How can PowerFlex integration be secured against unauthorized access from external networks?

A

Implementing access control lists (ACLs)

33
Q

What are the minimum and maximum volume sizes that can be created in PowerFlex?

A

8GB
1PB

34
Q

Which two remote protection configurations are available in PowerFlex Manager?

A

peer systems
journal capacity

35
Q

What is a critical step in configuring PowerFlex Nodes for optimal performance and reliability?

A

Configuring RAID levels for data protection

36
Q

What is a primary benefit of using PowerFlex’s software-defined storage approach?

A

Flexibility and ease of management

37
Q

Which of the following tasks are associated with configuring Storage Data Servers in PowerFlex? (Select all that apply)

A

Assigning IP addresses to storage nodes

Allocating storage volumes to specific applications

38
Q

Which of the following are valid methods for restoring a PowerFlex cluster after a disaster? (Select all that apply)

A

Bare-metal restore
Cloud-based recovery

39
Q

What is the primary function of PowerFlex software interfaces?

A

Simplifying storage and system management

40
Q

What is the primary purpose of volume protection mechanisms in PowerFlex?

A

Preventing data loss and corruption

41
Q

Which two actions can be performed for an existing Protection Domain? (Select 2)

A

Add extra SDS
Change the PD name

42
Q

Why is configuring Protection Domains in PowerFlex crucial?

A

For data redundancy and fault tolerance

43
Q

In which two scenarios must an administrator add more space so a customer can write to the file system? (Select 2)

A

B . The grace period for the quota expires.
D . The file system reaches a hard limit.

44
Q

In the context of PowerFlex, why is configuring Storage Pools significant?

A

For optimizing storage resource allocation

45
Q

What role does workload analysis play in aligning a PowerFlex solution to customer requirements? (Select all that apply)

A

A . Identifying resource utilization patterns
B . Estimating storage growth

46
Q

What is a critical factor in the backup and restoration of a PowerFlex cluster?

A

Maintaining data consistency and integrity

47
Q

In PowerFlex, how do Storage Pools contribute to the system’s efficiency?

A

By enabling dynamic resource allocation

48
Q

Which authentication protocols are commonly used for secure integration of PowerFlex? (Select all that apply)

A

A . LDAP (Lightweight Directory Access Protocol)
B . Kerberos

49
Q

Which tools are recommended for troubleshooting performance issues in a PowerFlex cluster? (Select all that apply)

A

B . Performance monitoring utilities
D . System logs and error messages

50
Q

Which factor should be considered when determining the appropriate replication strategy for volumes in PowerFlex?

A

Network latency

51
Q

What is a Storage Pool in PowerFlex?

A

group of disks or SSDs used for storing data

52
Q

What is the primary purpose of PowerFlex Foundations?

A

Infrastructure management

53
Q

An organization is decommissioning an application and must clean up the associated objects in PowerFlex. What is the first step to perform in PowerFlex Manager?

A

Unmap the volumes

54
Q

Which type of quota is set at a file system level to limit the amount of space that can be consumed?

A

User quota

55
Q

Which are two prerequisites for adding volumes using PowerFlex Manager? (Select 2)

A

B . Minimum device free capacity of 240 GB
E . Minimum of three SDS nodes

56
Q

In PowerFlex, what is the purpose of configuring Storage Data Servers (SDS)?

A

To handle storage capacity and performance

57
Q

Which of the following are considerations when aligning a PowerFlex solution to specific workload requirements? (Select all that apply)

A

A . I/O requirements
B . Data protection needs

58
Q

Which component of PowerFlex is responsible for aggregating and presenting storage to the hosts?

A

B . PowerFlex Gateway

59
Q

How can environmental factors be incorporated into the alignment of a PowerFlex solution to requirements? (Select all that apply)

A

A . Assessing data center location
B . Evaluating power distribution

60
Q

What is a crucial consideration when troubleshooting a PowerFlex cluster?

A

Cluster health monitoring

61
Q

Which factor is NOT typically considered when troubleshooting storage performance issues in a PowerFlex cluster?

A

CPU temperature

62
Q

What is a benefit of using PowerFlex products in a distributed deployment model?

A

A . Reduced complexity in management
D . Lower initial investment costs

63
Q

What is a key consideration when configuring PowerFlex Nodes in a distributed environment?

A

Balancing network traffic

64
Q

How does role-based access control (RBAC) enhance security in PowerFlex integration?

A

It limits access to authorized users based on predefined roles and permissions.

65
Q

What is the role of a tiebreaker MDM in a PowerFlex cluster?

A

Helps with determining the primary MDM within the cluster

66
Q

What is a primary benefit of using PowerFlex’s software-defined storage approach?

A

Flexibility and ease of management

67
Q

Which protocol is commonly used for accessing NAS Filesystems in PowerFlex?

A

SMB

68
Q

What is the significance of creating and protecting volumes in PowerFlex?

A

It is crucial for data storage and access

69
Q

What is the key advantage of PowerFlex’s software-defined storage in terms of system management?

A

Simplified and flexible management capabilities

Dell PowerFlex Solutions Design 2023 (11 decks)

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