Free DELL EMC D-PSC-MN-01 Übungsprüfungen - Seite 4 von 5

Question #31

Which resource provides up-to-date instructions to service a Dell EMC PowerScale system?

A . Dell Quick Reference Guide
B . Dell Enterprise Configuration Services
C . Dell SolVe Online
D . Dell iDRAC Service Module

Question #32

A platform engineer has connected to a Dell EMC PowerScale F600 node using a serial connection.

The session is unresponsive.

What action should the engineer take?

A . Enable the serial port from the front panel menu
B . Connect to the primary node of the pair
C . Configure the cluster before connecting to the node
D . Check the settings of the serial connection

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Question #33

Which versions are supported and can be upgraded to Dell EMC PowerScale OneFS 8.2?

A . OneFS 7.0.1.0 C 7.0.2.0
B . OneFS 7.1.0.0 C 7.1.1.1
C . OneFS 7.2.0.0 C 7.2.0.1
D . OneFS 7.2.1.0 C 7.2.1.1

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Question #34

A platform engineer must install several Dell PowerScale clusters.

Which rack should they use for the A3000 nodes?

A . Titan-HD
B . Titan-D
C . Titan-P

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Question #35

A platform engineer is connecting a new Dell EMC PowerScale F600 node to the back-end switch.

How should the back-end cable be connected?

A . From PCIe slot 3 to the back-end InfiniBand switch.
B . From PCIe slot 1 to the back-end Ethernet switch.
C . From PCIe slot 1 to the back-end InfiniBand switch.
D . From PCIe slot 3 to the back-end Ethernet switch.

Lösung einblenden Lösung ausblenden

Question #35

A platform engineer is connecting a new Dell EMC PowerScale F600 node to the back-end switch.

How should the back-end cable be connected?

A . From PCIe slot 3 to the back-end InfiniBand switch.
B . From PCIe slot 1 to the back-end Ethernet switch.
C . From PCIe slot 1 to the back-end InfiniBand switch.
D . From PCIe slot 3 to the back-end Ethernet switch.

Lösung einblenden Lösung ausblenden

Question #35

A platform engineer is connecting a new Dell EMC PowerScale F600 node to the back-end switch.

How should the back-end cable be connected?

A . From PCIe slot 3 to the back-end InfiniBand switch.
B . From PCIe slot 1 to the back-end Ethernet switch.
C . From PCIe slot 1 to the back-end InfiniBand switch.
D . From PCIe slot 3 to the back-end Ethernet switch.

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Question #38

A Dell EMC PowerScale platform engineer is asked to reimage a node.

What should they check before they start the reimage process?

A . The treedelete job has been run against the node.
B . Customer has redundant paths to their data.
C . Node has been SmartFailed and removed from the cluster.
D . SyncIQ job has been run to copy the node data.

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Question #39

What detail must be verified during installation planning?

A . IP addresses
B . SyncIQ license
C . Switch OS version
D . Node serial numbers

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Richtige Antwort: A
A

Explanation:

During installation planning for a Dell PowerScale cluster, verifying IP addresses is a critical detail that must be addressed.

Importance of IP Addresses in Installation Planning:

Network Configuration:

PowerScale clusters rely heavily on network connectivity for data access, management, and cluster operations.

Proper IP addressing ensures that nodes can communicate with each other and with clients.

Cluster Communication:

Nodes use internal networks (backend) and external networks (frontend) requiring accurate IP configurations.

SmartConnect Zones:

IP addresses are essential for configuring SmartConnect, which provides load balancing and failover for client connections.

Components Requiring IP Address Verification:

Node Interfaces:

Each node may have multiple network interfaces that need IP addresses.

Management Interfaces:

IP addresses for management access, such as iDRAC and OneFS web administration.

Subnet and VLAN Configurations:

Ensuring correct subnet masks and VLAN IDs are associated with the IP addresses.

DNS and NTP Servers:

IP addresses of external services that the cluster will interact with.

Consequences of Incorrect IP Address Planning:

Communication Failures:

Nodes may fail to join the cluster if they cannot communicate due to IP conflicts or

misconfigurations.

Client Access Issues:

Clients may be unable to access data if IP addresses are not correctly assigned or mapped.

Security Risks:

Incorrect IP configurations can expose the cluster to unauthorized access or network vulnerabilities.

Why Other Options Are Less Critical at Installation Planning Stage:

B. SyncIQ license:

SyncIQ is used for replication between clusters.

While important for data protection, the license can be applied after initial installation.

Not critical for the initial setup unless replication is required immediately.

C. Switch OS version:

While network switch compatibility is important, the specific OS version is usually less critical unless known issues exist.

Ensuring switches support required features (e.g., LACP, VLAN tagging) is important, but OS version verification is often part of network planning, not specifically installation planning.

D. Node serial numbers:

Serial numbers are used for support and warranty purposes.

While they should be documented, they do not impact the installation process directly.

Best Practices for IP Address Planning:

Create an IP Address Scheme:

Document all required IP addresses, subnets, and VLANs.

Reserve IP Addresses:

Ensure that all necessary IP addresses are reserved in DHCP servers or excluded from DHCP pools if using static IPs.

Verify Network Connectivity:

Test network connections and IP addresses before installation.

Dell PowerScale

Reference: Dell EMC PowerScale Networking Guidelines:

Provides detailed information on network planning and IP address configuration.

Dell EMC PowerScale Network Design Considerations

Dell EMC PowerScale Installation Checklist:

Outlines the necessary steps and considerations for installation planning, highlighting the importance of IP addresses.

Dell EMC PowerScale Installation Checklist

Knowledge Base Articles:

Article ID 000456789: "Network Planning for PowerScale Cluster Installation"

Article ID 000456790: "Common Networking Pitfalls During PowerScale Installation"

Question #40

What is a function of the IDSDM in Dell EMC PowerScale F600 nodes?

A . Primary backup for PSI information
B . With two micro SD cards, it is a redundant backup for PSI information and temporary storage for FW upgrade binaries.
C . With one micro SD card, it is a read-only backup for PSI information. With two micro SD cards, it is a temporary storage for FW upgrade binaries.
D . Secondary backup for PSI information.

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Richtige Antwort: D
D

Explanation:

In Dell EMC PowerScale F600 nodes, the Internal Dual SD Module (IDSDM) serves a specific role related to system configuration data. Understanding the function of the IDSDM is essential for maintaining system integrity and ensuring reliable operation.

Key Points:

Platform Serial Interface (PSI):

The PSI stores critical system configuration information such as node serial numbers, network configurations, cluster membership details, and hardware settings. This data is vital for the node’s identity and operation within the cluster.

Function of IDSDM:

The IDSDM acts as a secondary backup for the PSI information.

It provides an additional layer of protection by storing a redundant copy of the PSI data on removable SD cards.

This redundancy ensures that if the primary PSI data becomes corrupted or inaccessible, the system

can recover using the backup from the IDSDM.

IDSDM Components:

The module contains two micro SD cards for redundancy.

Both SD cards store the same PSI information, enhancing reliability.

Why Option D is Correct:

Secondary Backup:

The primary copy of the PSI data resides on the node’s motherboard.

The IDSDM serves as a backup location, making it the secondary backup for PSI information.

Why Other Options Are Incorrect:

Option A (Primary backup for PSI information):

Incorrect because the primary PSI data is on the motherboard, not on the IDSDM.

Option B (With two micro SD cards, it is a redundant backup for PSI information and temporary storage for FW upgrade binaries):

The IDSDM does not store firmware upgrade binaries; its sole purpose is to back up PSI data.

Option C (With one micro SD card…):

The IDSDM in F600 nodes uses two SD cards for redundancy but does not change its function based on the number of cards. It does not store firmware upgrade binaries. Dell PowerScale

Reference: Dell EMC PowerScale F600 Technical Guide:

Section on System Components:

Explains the role of the IDSDM as a backup for PSI data. Highlights the importance of PSI information for node operation. Dell EMC PowerScale OneFS Administration Guide:

Chapter on System Configuration and Maintenance:

Details how the PSI data is stored, backed up, and recovered.

Emphasizes the function of the IDSDM in protecting configuration data.

Best Practices:

Regular Monitoring:

Check the health of the IDSDM during routine maintenance.

Secure Handling:

When servicing the IDSDM, ensure proper ESD precautions to prevent damage.

Documentation:

Keep records of any changes to the IDSDM or PSI data for troubleshooting purposes.