dell d pst mn a 24 practice test
Dell PowerStore Maintenance Achievement
Question 1
Which component is an FRU?
- A. DIMMs
- B. Embedded IO Module
- C. Nodes
- D. Battery Backup Unit
Answer:
D
Explanation:
A Field Replaceable Unit (FRU) is a component that can be replaced by the user or technician without
having to send the entire product or system to a repair facility.
Dell’s Customer Replaceable Unit
(CRU) program allows customers to replace designated hardware components, which are typically
considered as FRUs1
.
In the context of Dell PowerStore Maintenance, the Battery Backup Unit (BBU) is considered an FRU
because it is designed to be easily replaced in the field. The BBU is critical for maintaining power to
the system in the event of a power failure, ensuring that data is not lost and the system can be shut
down gracefully.
The other components listed, such as DIMMs, Embedded IO Modules, and Nodes, may not be as
easily replaceable by the customer or may require more technical expertise or special tools.
Therefore, they are not typically classified as FRUs within the Dell PowerStore ecosystem.
For detailed procedures on replacing the BBU or any other FRU components, it is recommended to
refer to the official Dell PowerStore Maintenance documents and follow the guidelines provided for
safe and effective replacement. This ensures that the system integrity is maintained and any
warranty or support agreements remain valid.
Question 2
In which step of the ICW can the configuration details be exported?
- A. License Configuration
- B. Support Assist
- C. Cluster Configuration
- D. Cluster Details
Answer:
C
Explanation:
The configuration details can be exported during the Cluster Configuration step of the Initial
Configuration Wizard (ICW) for Dell PowerStore. This step allows the user to review the chosen
configuration information, validate the configuration, and initiate the cluster creation.
It is at this
point that the option to export the configuration details is provided1
.
For a detailed guide on how to navigate the ICW and export configuration details, users should refer
to the official Dell PowerStore Manager Overview documentation or the PowerStore Info Hub, which
includes product documentation and videos that assist with PowerStore deployment and
maintenance12
. It is important to follow the official documentation to ensure that the process is
carried out correctly and to maintain system integrity and compliance with warranty and support
agreements.
Question 3
What does the command "svc_journalctl -f -g "st_io_monitor""do?
- A. Deletes all logs before the specified error
- B. Rotates the log based on the specified error
- C. Ignores log messages from the specified error and re-occurring errors
- D. Retrieves log messages from the specified error and watches for re-occurrence
Answer:
D
Explanation:
The command svc_journalctl -f -g "st_io_monitor" is used within the Dell PowerStore environment to
retrieve log messages that are associated with the specified error, in this case, “st_io_monitor”, and
to monitor for their re-occurrence. The -f flag is typically used to follow the log, meaning it will
continue to output new log messages as they are appended to the journal.
The -g flag is used to filter
the log output based on a specific pattern1
.
This command is part of the suite of service scripts provided by Dell for system maintenance and
troubleshooting.
It enables service technicians and system administrators to view log messages from
the system journal in a consistent and easy-to-read format, which is crucial for diagnosing and
resolving issues1
.
For more detailed information on using this command and understanding the system journal logs,
users should refer to the Dell PowerStore Service Scripts Guide or contact Dell Support for technical
assistance1
. It’s important to use these commands as per the guidelines provided in the official
documentation to ensure proper system maintenance and to avoid any unintended consequences.
Question 4
What does the output of the PSTCLI command "nas_server show" display from a Dell EMC
PowerStore T?
- A. Memory utilization and thread count for NFS NAS servers
- B. SIDs of SMB NAS servers joined to the AD domain
- C. If NAS servers are present and if they are either NFS or Licensed
- D. If NAS servers are present and if they are either Started or Degraded
Answer:
D
Explanation:
The nas_server show command in the Dell EMC PowerStore T environment is used to display the
status of NAS servers. The output of this command will indicate whether NAS servers are present and
if so, their current state, which can be either ‘Started’ or ‘Degraded’. This information is crucial for
administrators to quickly assess the health and operational status of the NAS servers.
The command does not provide memory utilization, thread count, or SIDs of SMB NAS servers joined
to the AD domain. Instead, it focuses on the operational status of the NAS servers, which is a critical
aspect of system maintenance and troubleshooting.
For detailed information on the usage of the nas_server show command and interpreting its output,
administrators should refer to the Dell PowerStore CLI User Guide1
. This guide provides
comprehensive instructions and examples for using the PowerStore CLI to manage and monitor the
storage system effectively. It is essential to follow the official documentation to ensure accurate and
reliable system management.
Question 5
A Storage Administrator notices a Critical alert present in Dell EMC PowerStore Manager relating to
data integrity. What action within the alert details slide-out panel is helpful in
troubleshooting the problem?
- A. Examine Notifications to obtain a list of corrective actions
- B. Access the Repair Flow link to schedule a support engagement
- C. Re-engage support through previous listed Related Events
- D. Select the Gather Support Materials from Service and Support
Answer:
D
Explanation:
When a critical alert related to data integrity is present in Dell EMC PowerStore Manager, the most
helpful action for troubleshooting the problem is to select the “Gather Support Materials” option
from the Service and Support section.
This action facilitates the collection of logs, system
information, and other relevant data that can be used by Dell EMC support to diagnose and resolve
the issue1
.
The process typically involves:
Accessing the alert details slide-out panel within the PowerStore Manager.
Reviewing the critical alert to understand the nature of the data integrity issue.
Selecting the “Gather Support Materials” option, which may include system logs, configuration files,
and other diagnostic information.
Following the prompts to collect and package the support materials.
Sending the gathered materials to Dell EMC support for further analysis and assistance.
This proactive step is crucial in expediting the support process and ensuring that the Dell EMC
support team has all the necessary information to address the data integrity alert effectively.
It is
recommended to perform this action as soon as the critical alert is noticed to prevent any potential
data loss or system downtime2
.
For more detailed instructions on how to gather support materials and manage alerts, administrators
should refer to the Dell PowerStore Manager Overview documentation and the PowerStore Alerts
knowledge base articles provided by Dell12
. These resources offer comprehensive guidance on
maintaining and troubleshooting the PowerStore system.
Question 6
Which network traffic is encrypted using IPsec?
- A. Management network
- B. Service network
- C. Internal network
- D. Storage network
Answer:
A
Explanation:
In Dell PowerStore systems, IPsec is used to encrypt traffic for the management network. IPsec
(Internet Protocol Security) is a suite of protocols designed to ensure the integrity, confidentiality,
and authentication of data communications over an IP network.
Encrypting the management
network traffic with IPsec is a best practice to secure communication between the management
console and the storage system, protecting against potential eavesdropping and unauthorized
access1
.
The management network is responsible for the overall administration and operation of the storage
system, including configuration management, performance monitoring, and system updates. By
encrypting this traffic, Dell PowerStore ensures that sensitive management operations are secured.
For detailed information on configuring IPsec for the management network and other best practices
for network security within Dell PowerStore environments, users should refer to the official Dell
PowerStore documentation, such as the Deployment KB: PowerStore: User Network Firewall Rules
Tool and the Dell PowerStore Best Practices Guide12
. These documents provide comprehensive
guidelines on network configurations, including firewall rules and encryption settings, to maintain
the highest levels of security and system integrity.
Question 7
What is the result of setting a VLAN ID of 0 on a network when running ICW for Dell EMC
PowerStore?
- A. Default route is set
- B. Network will pass tagged traffic
- C. Network will pass untagged traffic
- D. Static route is set
Answer:
C
Explanation:
Setting a VLAN ID of 0 on a network when running the Initial Configuration Wizard (ICW) for Dell EMC
PowerStore indicates that the network will pass untagged traffic.
In the context of VLANs, an ID of 0
is typically reserved to identify priority frames and is often used to indicate that a frame is not
associated with a specific VLAN; hence, it is untagged1
.
In practice, this means that when VLAN ID 0 is set during the ICW, the PowerStore system will treat
the traffic as belonging to the native VLAN, which carries untagged traffic. This is important for
network configurations where certain ports are expected to handle traffic that is not tagged for any
specific VLAN.
For more detailed information on VLAN configurations and the implications of setting different VLAN
IDs during the ICW, administrators should refer to the official Dell PowerStore Network
Administration documentation. This documentation provides guidelines on network settings,
including VLAN configurations, to ensure proper communication and operation within the storage
network infrastructure.
Question 8
Refer to the exhibit.
What is indicated when the circled LED on an expansion enclosure is illuminated amber?
- A. Expansion enclosure power-on
- B. Expansion enclosure faulted
- C. SAS bus link down
- D. SAS bus link up
Answer:
B
Explanation:
The illuminated amber LED on an expansion enclosure typically indicates a fault. In the context of
Dell PowerStore expansion enclosures, an amber light can signify various issues such as power
supply problems, cooling system malfunctions, or other operational faults that may affect the
enclosure’s performance.
When troubleshooting, the following steps are generally taken:
Identify the specific LED that is illuminated amber using the hardware documentation.
Consult the Dell PowerStore Hardware Guide to determine the exact nature of the fault indicated by
the amber LED.
Follow the recommended actions provided in the guide, which may include checking power
connections, ensuring proper airflow, or other hardware checks.
If the issue persists, contact Dell Support for further assistance, providing them with the details of
the fault LED and any other relevant information observed.
It’s important to address any faults indicated by an amber LED promptly to maintain the integrity and
reliability of the storage system. The Dell PowerStore documentation provides comprehensive
information on LED indicators and troubleshooting steps to help resolve such issues effectively.
Question 9
What is the default log collection schedule?
- A. As scheduled during install
- B. Hourly
- C. Weekly
- D. Daily
Answer:
C
Explanation:
The default log collection schedule for Dell PowerStore is set to a weekly basis. This schedule is
designed to balance the need for regular monitoring with the storage and processing considerations
of collecting logs. Collecting logs on a weekly basis provides a sufficient overview of the system’s
performance and any potential issues that may arise, without overwhelming the system
administrators with too much data.
The log collection process includes gathering various logs that may be required for troubleshooting
PowerStore issues, such as Support Materials, Performance Metrics Archives, Dump Files, and
others.
The process can be initiated through the PowerStore Manager user interface or using the CLI
in an SSH session1
.
For more detailed information on log collection schedules and procedures, administrators should
refer to the official Dell PowerStore documentation, which provides comprehensive instructions on
how to generate, collect, and manage logs for effective system maintenance and troubleshooting1
.
Question 10
What is the protocol used for the storage network?
- A. NFS
- B. FC
- C. iSCSI
- D. SMB
Answer:
B
Explanation:
The protocol used for the storage network in Dell PowerStore systems is Fibre Channel (FC). FC is a
high-speed network technology primarily used for storage networking.
Dell PowerStore utilizes FC as
part of its all-NVMe design, which also includes NVMe-over-fabric networking to deliver low latency
performance for storage workloads1
.
Fibre Channel provides several benefits for storage networks, including:
High throughput and low latency for storage operations.
Support for long-distance networking, which is beneficial for disaster recovery and remote backups.
A mature and widely supported ecosystem with a variety of hardware and software options.
For detailed information on configuring and using FC with Dell PowerStore, administrators should
refer to the Dell PowerStore Networking Guide for Storage Services and the Dell PowerStore Best
Practices Guide.
These documents provide comprehensive instructions on network configurations,
including best practices for setting up and managing FC networks within Dell PowerStore
environments23
. Following these guidelines ensures optimal performance and reliability of the
storage network.
Question 11
What is the alert severity if the license expiration date is within a week?
- A. Minor
- B. Major
- C. Information
- D. Warning
Answer:
D
Explanation:
When the license expiration date is within a week, Dell PowerStore generates a warning-level alert.
This alert severity level is used to indicate that action should be taken soon to prevent potential
service disruptions or limitations on system functionality. A warning alert is not as severe as a major
alert, which would indicate immediate attention is required, but it is more critical than an
informational alert, which is typically used for general notifications without immediate impact.
The warning alert serves as a proactive reminder to renew or update the license to ensure
continuous operation of the PowerStore system.
It is important to address these alerts promptly to
maintain access to all features and avoid any limitations on system management operations1
.
For more information on alert severities and license management in Dell PowerStore, administrators
can refer to the PowerStore documentation on License State Alerts and the PowerStore Manager
Overview, which provide detailed explanations of the different alert levels and the steps to manage
and resolve licensing issues23
. Following the guidelines in these documents will help ensure that the
storage system remains fully operational and compliant with licensing requirements.
Question 12
Which component is only replaceable by qualified personnel?
- A. Base enclosure
- B. Memory module
- C. Embedded I/O module
- D. Power supply
Answer:
A
Explanation:
The base enclosure is a component that is typically only replaceable by qualified personnel. This is
because the base enclosure of a Dell PowerStore system contains critical components and
connections that require specialized knowledge and tools to handle properly. Replacing a base
enclosure involves understanding the system’s architecture, safely disconnecting and reconnecting
various components, and ensuring that the system is not compromised during the process.
The memory module, embedded I/O module, and power supply are designed to be more accessible
for replacement and may fall under the category of customer-replaceable units (CRUs) or field-
replaceable units (FRUs), depending on the specific model and configuration of the PowerStore
system1
.
For detailed procedures on replacing the base enclosure or any other components, it is
recommended to refer to the official Dell PowerStore Installation and Service Guide.
This guide
provides step-by-step instructions and safety precautions for qualified personnel to follow when
performing hardware replacements1
. It is crucial to adhere to these guidelines to maintain system
integrity and ensure that the storage system continues to operate effectively after the replacement.
Question 13
A Storage Administrator needs to address specific fixes within their Dell EMC PowerStore system.
Which NDU software upgrade option is used for this situation?
- A. Drive firmware
- B. Hotfixes
- C. Software releases
- D. vCenter
Answer:
B
Explanation:
In the context of Dell EMC PowerStore, when a Storage Administrator needs to address specific fixes
within their system, the appropriate Non-Disruptive Upgrade (NDU) software upgrade option to use
is Hotfixes.
Hotfixes are targeted software updates that address specific issues or bugs within the
system without requiring a full software release upgrade1
.
The process for applying hotfixes typically involves:
Identifying the specific issue and the corresponding hotfix that addresses it.
Downloading the hotfix from the Dell Support website or through the PowerStore Manager interface.
Applying the hotfix to the PowerStore system using the NDU process, which ensures that the system
remains operational and accessible during the upgrade.
Verifying that the hotfix has been applied successfully and that the issue has been resolved.
It is important to follow the detailed instructions provided in the Dell PowerStore Software Upgrade
Guide when applying hotfixes.
This guide outlines the steps for preparing for an NDU, including any
preliminary checks and concluding checks to ensure the integrity of the upgrade process2
.
Administrators should also consult the PowerStore Release Notes to determine which software
upgrade packages, including hotfixes, are required for their specific PowerStore model and
configuration2
. Adhering to these guidelines helps ensure that the system is updated correctly and
that the specific fixes are applied effectively.
Question 14
What is the maximum number of expansion enclosures that a single Dell EMC PowerStore 9000T
appliance supports?
- A. 8
- B. 3
- C. 4
- D. 2
Answer:
B
Explanation:
The maximum number of expansion enclosures that a single Dell EMC PowerStore 9000T appliance
supports is three.
This is consistent with the design and specifications provided by Dell for the
PowerStore series, which allows for scalability within the storage environment1
.
The expansion enclosures are used to increase the storage capacity of the PowerStore system beyond
what is available in the base enclosure. Each expansion enclosure connects to the base appliance and
adds additional drive slots for storage expansion.
For detailed information on the configuration and limitations of expansion enclosures for the
PowerStore 9000T model, administrators should refer to the official Dell PowerStore Hardware
Information Guide and the Dell PowerStore Technical Primer.
These documents provide
comprehensive guidelines on the physical and logical expansion capabilities of the PowerStore
systems23
. Adhering to these specifications is crucial to ensure proper system performance and to
avoid unsupported configurations.
Question 15
Which number in the code-naming schema represents a beta distribution?
- A. 5
- B. 4
- C. 6
- D. 8
Answer:
B
Explanation:
In the Dell PowerStore code-naming schema, the number that represents a beta distribution is 4.
This is based on the PowerStoreOS release matrix, where the versioning and distribution types are
indicated by specific digits in the version number.
The third digit in the version number typically
represents the target code, which is a highly trusted and recommended release1
.
For beta distributions, which are pre-release versions provided for testing purposes, Dell uses specific
numbering conventions to distinguish them from general availability releases. These beta versions
are important for testing new features and fixes in a controlled environment before they are released
to all customers.
For detailed information on the code-naming schema and understanding the different types of
software distributions for Dell PowerStore, including beta distributions, administrators should refer
to the official Dell PowerStoreOS Matrix documentation.
This document provides a comprehensive
overview of the versioning system and the criteria used to determine the target code and other
distribution types1
.