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EMC D-PSC-MN-01 Exam Syllabus Topics:

Topic
Details

Topic 1

PowerScale Hardware Concepts: This part of the exam assesses the expertise of IT infrastructure architects, and emphasizes the ability to differentiate between the architectural elements of PowerScale platforms, understand their specific use cases, and compare design specifications across PowerScale hardware models.

Topic 2

PowerScale Hardware Installation: This section evaluates the installation capabilities of hardware engineers to test candidates on their ability to plan and execute the installation of PowerScale hardware, prepare the maintenance site, and adhere to best practices when installing racks, nodes, and related components.

Topic 3

PowerScale Hardware Maintenance: Targeted at system administrators, this section focuses on key tasks involved in maintaining PowerScale hardware. It examines candidates' proficiency in completing initial maintenance steps, preparing nodes for operation, and processing Field Replaceable Unit (FRU) and Customer Replaceable Unit (CRU) requests.

Topic 4

PowerScale Implementation: Geared towards cluster administrators, this section covers the practical aspects of implementing PowerScale systems. It focuses on creating new clusters, integrating nodes into existing clusters, and applying alternative configurations or accessories to improve performance.

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EMC Dell PowerScale Maintenance Exam Sample Questions (Q31-Q36):

NEW QUESTION # 31
What can be viewed using the isi_upgrade_logs _s command?

A. Post upgrade errors
B. Active upgrade errors
C. Current upgrade state
D. Upgrade assessment results

Answer: C

Explanation:
The isi_upgrade_logs -s command is used to view thecurrent upgrade stateof a Dell PowerScale cluster during an upgrade process. This command provides real-time status information about the upgrade's progress.
* Understanding isi_upgrade_logs:
* A utility in OneFS that displays logs and status information related to cluster upgrades.
* Helps administrators monitor and troubleshoot the upgrade process.
* Using the -s Option:
* The -s flag stands for "status."
* When used with isi_upgrade_logs, it displays the current state of the upgrade, including which nodes have been upgraded, which are pending, and any ongoing activities.
* Information Provided by the Command:
* Upgrade Phases:
* Shows which phase the upgrade is in (e.g., pre-checks, package installation, post-checks).
* Node Status:
* Indicates the status of each node (e.g., upgraded, in progress, pending).
* Overall Progress:
* Provides percentage completion and estimated time remaining.
* Why Other Options Are Less Suitable:
* A. Post upgrade errors:
* While isi_upgrade_logs can display errors, the -s option specifically shows the current state, not post-upgrade errors.
* C. Active upgrade errors:
* Error logs can be viewed using different options, such as isi_upgrade_logs -e, but -s focuses on status, not errors.
* D. Upgrade assessment results:
* Upgrade assessments are performed prior to the upgrade using tools like isi upgrade cluster assess.
* Results are not viewed with isi_upgrade_logs -s.
* Monitoring Upgrade Progress:
* Regular Checks:
* Administrators should regularly run isi_upgrade_logs -s during an upgrade to monitor progress and identify any issues early.
* Example Output:
* The command outputs a table or list detailing the status of each node and the overall upgrade progress.
Dell PowerScale References:
* Dell EMC PowerScale OneFS Upgrade Planning and Process Guide:
* Provides detailed instructions on performing upgrades and monitoring their progress.
* Dell EMC PowerScale OneFS Upgrade Guide
* OneFS CLI Administration Guide:
* Contains information on isi_upgrade_logs and other upgrade-related commands.
* Dell EMC PowerScale OneFS CLI Guide
* Knowledge Base Articles:
* Article ID 000034567:"Monitoring Cluster Upgrades Using isi_upgrade_logs"
* Article ID 000089012:"Interpreting Upgrade Status and Logs in OneFS"

NEW QUESTION # 32
A platform engineer has added an F200 node to a Dell EMC PowerScale cluster. The cluster now has five F200 nodes.
Before leaving the site, what action must the engineer perform?

A. SmartFail the node and rejoin the cluster
B. Reboot the node and wait for a green status
C. Verify the node LNN is set to 1
D. Ensure the install base record is updated

Answer: D

Explanation:
Updating the install base record is crucial for support and warranty purposes.
Reasons:
* Accurate Records:
* Reflects the current configuration of the cluster.
* Support Entitlement:
* Ensures timely support services when needed.
Dell PowerScale References:
* Dell EMC Support Policies:
* Emphasize the importance of maintaining up-to-date asset information.
* Best Practices:
* Document all changes made to the cluster.
* Notify Dell EMC support or use the appropriate channels to update records.

NEW QUESTION # 33
What step should be performed when testing connectivity between a Dell EMC PowerScale cluster and an NFS client?

A. Create an NFS export and mount it on the NFS client
B. Ping the DNS server used by the cluster from PuTTY
C. Map a drive to the default IFS share on the cluster
D. In a Web browser, type the cluster name and press Enter

Answer: A

Explanation:
To test connectivity between a Dell EMC PowerScale cluster and an NFS client, you should create an NFS export on the cluster and then mount it on the client. This verifies both network connectivity and proper NFS configuration.
Steps to Test NFS Connectivity:
* Create an NFS Export on the Cluster:
* Use the OneFS web administration interface or CLI to create an NFS export.
* Specify the directory path and configure export permissions.
* Configure Client Access:
* Ensure the client's IP address is allowed in the export settings.
* Adjust network configurations if necessary.
* Mount the NFS Export on the NFS Client:
* Use the mount command on the client:
mount -t nfs <cluster_ip>:/export_path /mount_point
* Replace <cluster_ip>, /export_path, and /mount_point with appropriate values.
* Verify Access:
* Navigate to the mount point and perform read/write operations as permitted.
Why Other Options Are Incorrect:
* Option A:Mapping a drive is applicable to SMB (Windows) clients, not NFS.
* Option B:Pinging the DNS server tests name resolution, not NFS connectivity.
* Option D:Accessing the cluster via a web browser tests HTTP connectivity.
Dell PowerScale References:
* Dell EMC PowerScale OneFS Administration Guide:
* Chapter on NFS Exports:
* Details on creating and managing NFS exports.
* Testing Connectivity Section:
* Provides steps to verify NFS client connections.
* Best Practices:
* Ensure network ports for NFS traffic are open.
* Match UID/GID mappings between client and cluster for proper permissions.

NEW QUESTION # 34
What is the maximum recommended ambient temperature for the operation of a Dell EMC PowerScale Gen 6 node?

A. 32 degrees C (89 degrees F)
B. 27 degrees C (80 degrees F)
C. 35 degrees C (95 degrees F)
D. 40 degrees C (104 degrees F)

Answer: C

Explanation:
Dell EMC PowerScale Gen 6 nodes are designed to operate efficiently within specified environmental conditions.
Maximum Recommended Ambient Temperature:
* 35°C (95°F):
* Operating the nodes at or below this temperature ensures optimal performance and longevity.
* Exceeding this temperature may lead to hardware degradation or failures.
Environmental Specifications:
* Operating Temperature Range:
* Minimum:10°C (50°F)
* Maximum:35°C (95°F)
* Humidity and Altitude:
* Should also be within specified limits for safe operation.
Dell PowerScale References:
* Dell EMC PowerScale Site Preparation and Planning Guide:
* Environmental Requirements Section:
* Details the acceptable temperature and humidity ranges.
* Provides guidelines for data center cooling and airflow.
* Best Practices:
* Use environmental monitoring tools to track data center conditions.
* Implement redundant cooling systems to prevent overheating.
* Regularly maintain HVAC equipment to ensure consistent performance.

NEW QUESTION # 35
What is a key step when connecting nodes to the data center's power supply during a PowerScale installation?

A. Using power cables of the shortest possible length to reduce resistance
B. Implementing power redundancy for each node
C. Labeling power cables according to the nodes they supply
D. Ensuring each node is connected to a different circuit breaker

Answer: B

NEW QUESTION # 36
......

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