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D-PSC-MN-01 - Trustable Dell PowerScale Maintenance Exam Exam Actual Tests

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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 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 3

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.

Topic 4

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.

EMC Dell PowerScale Maintenance Exam Sample Questions (Q126-Q131):

NEW QUESTION # 126
According to Dell PowerScale best practices, which component may be replaced by the customer?

A. Fan
B. Battery
C. M.2 vault card
D. Power supply

Answer: D

NEW QUESTION # 127
Which cable is required to connect to the A300 console?

A. USB-to-USB
B. RJ45
C. DB9-to-DB9
D. VGA

Answer: B

Explanation:
To connect to theA300console, a cable with anRJ45connector is required. The A300 node's console port uses an RJ45 interface for serial communication, allowing administrators to access the console for configuration and troubleshooting.
1. Understanding Console Connections on A300 Nodes:
* Console Port Type:
* The A300 node features an RJ45 serial console port.
* This port provides access to the node's console interface.
* Purpose of Console Access:
* Allows administrators to perform initial configurations.
* Useful for troubleshooting when network access is unavailable.
* Provides direct command-line access to the node.
2. Required Cable for Connection:
* RJ45 Serial Cable:
* A standard RJ45-to-DB9 serial console cable is typically used.
* One end has an RJ45 connector (plugs into the node).
* The other end may have a DB9 connector (plugs into a computer's serial port) or USB via a serial- to-USB adapter.
* Alternative Connection Methods:
* If the computer does not have a serial port, a USB-to-serial adapter can be used.
* Ensure the correct drivers are installed for the adapter.
3. Why Other Options Are Less Suitable:
* Option B: DB9-to-DB9
* The A300 uses an RJ45 port, not a DB9 port.
* A DB9-to-DB9 cable would not physically connect to the node.
* Option C: VGA
* VGA is used for video output, not serial console connections.
* The A300 does not use VGA for console access.
* Option D: USB-to-USB
* The A300 does not support console connections via USB-to-USB cables.
* USB ports on the node are typically for peripheral devices, not console access.
4. Steps to Connect to the A300 Console:
* Step 1:Obtain an RJ45-to-DB9 serial console cable.
* Step 2:Connect the RJ45 end to the console port on the A300 node.
* Step 3:Connect the DB9 end to the serial port on the computer (or use a USB-to-serial adapter if necessary).
* Step 4:Use a terminal emulator (e.g., PuTTY) configured with the appropriate serial settings (usually
115200 baud rate, 8 data bits, no parity, 1 stop bit).
5. Dell PowerScale References:
* Dell EMC PowerScale A300 Hardware Guide:
* Provides details on hardware components, including console port specifications.
* Dell EMC PowerScale A300 Hardware Guide
* Dell EMC PowerScale OneFS CLI Administration Guide:
* Discusses accessing the CLI via console connections.
* Dell EMC PowerScale OneFS CLI Guide
* Knowledge Base Articles:
* Article ID 000180127:"Connecting to the Console Port on PowerScale A-Series Nodes"
* Article ID 000180128:"Serial Console Connection Instructions for Dell PowerScale Nodes"

NEW QUESTION # 128
What type of NIC is used for the external network on a Dell EMC PowerScale F600 node?

A. 40 GbE
B. 10 GbE
C. 25 GbE
D. 1 GbE

Answer: C

Explanation:
The Dell EMC PowerScale F600 node uses 25 Gigabit Ethernet for external networking.
Details:
* 25 GbE NICs:
* Provide high bandwidth suitable for performance-intensive workloads.
* Support modern data center networking standards.
Dell PowerScale References:
* Dell EMC PowerScale F600 Technical Specifications:
* Networking Section:
* Specifies the use of 25 GbE NICs for external connections.
* Best Practices:
* Ensure network infrastructure (switches, cables) supports 25 GbE.
* Configure network settings to optimize performance.

NEW QUESTION # 129
What must be replaced at the same time the backup battery is replaced?

A. Riser card
B. Both NIC cards
C. M.2 card and backup battery

Answer: C

Explanation:
When replacing the backup battery in a Dell PowerScale node, it is mandatory to replace theM.2 cardat the same time. The M.2 card, which acts as a boot device and stores critical system information, works in conjunction with the backup battery to ensure data integrity.
* Role of the Backup Battery:
* Data Protection:
* Provides power to preserve data in cache during a power loss.
* Supports NVRAM Operations:
* Ensures that any unwritten data is safely stored until power is restored.
* Importance of the M.2 Card:
* Boot Device:
* Contains the OneFS operating system boot partition.
* Data Logging:
* Stores logs and system configuration data.
* Simultaneous Replacement Requirement:
* Interdependent Components:
* The backup battery and M.2 card are designed to work together.
* Preventive Maintenance:
* Replacing both reduces the risk of future failures.
* Firmware Compatibility:
* Ensures both components are updated and compatible.
* Procedure:
* Shut Down the Node:
* Safely power down the node before replacement.
* Replace Both Components:
* Remove the old backup battery and M.2 card.
* Install the new components.
* Reboot and Verify:
* Power on the node and confirm normal operation.
Why Other Options Are Incorrect:
* B. Both NIC cards:
* NICs do not need to be replaced when replacing the backup battery.
* C. Riser card:
* The riser card is unrelated to the backup battery and does not require replacement in this context.
Dell PowerScale References:
* Dell EMC PowerScale Field Replacement Unit (FRU) Procedure Guide:
* Specifies that the backup battery and M.2 card must be replaced together.
* Maintenance Best Practices:
* Emphasize the importance of replacing interdependent components.
* Hardware Owner's Manual:
* Provides step-by-step instructions for replacing the backup battery and M.2 card.

NEW QUESTION # 130
How do external networking requirements for a PowerScale cluster typically differ from internal requirements?

A. Increased security and access controls
B. Higher bandwidth and lower latency
C. Simpler routing and switching protocols
D. Use of public IP addresses

Answer: A

NEW QUESTION # 131
......

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