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Question 61 - D-PSC-MN-01 discussion

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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.

Answers
A.

From PCIe slot 3 to the back-end InfiniBand switch.

B.

From PCIe slot 1 to the back-end Ethernet switch.

Answers
B.

From PCIe slot 1 to the back-end Ethernet switch.

C.

From PCIe slot 1 to the back-end InfiniBand switch.

Answers
C.

From PCIe slot 1 to the back-end InfiniBand switch.

D.

From PCIe slot 3 to the back-end Ethernet switch.

Answers
D.

From PCIe slot 3 to the back-end Ethernet switch.

Suggested answer: B

Explanation:

For Dell EMC PowerScale F600 nodes, back-end connectivity is essential for node communication and cluster operations. The F600 uses Ethernet for back-end networking.

Cabling Instructions:

PCIe Slot 1 Usage:

PCIe slot 1 is designated for back-end Ethernet connections in F600 nodes.

This slot houses the network interface card (NIC) responsible for internal cluster communication.

Connecting to Back-End Ethernet Switch:

Cables from PCIe slot 1 should be connected to the back-end Ethernet switch.

Ensures that nodes can communicate over the internal network.

Key Points:

Avoiding InfiniBand

Reference:

F600 nodes use Ethernet, not InfiniBand, for back-end networking.

Options mentioning InfiniBand switches are incorrect.

Slot Selection:

PCIe slot 3 is not used for back-end connections in F600 nodes.

Correct slot usage is critical for network functionality.

Dell PowerScale Reference:

Dell EMC PowerScale Hardware Installation Guide:

Cabling Diagrams for F600 Nodes illustrate the correct connections from PCIe slot 1.

Back-End Network Setup section provides detailed instructions.

Networking Best Practices:

Use recommended cables and connectors for Ethernet connections.

Label cables and ports to prevent misconfiguration.

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asked 29/10/2024
Thomas Lichtenberger
30 questions
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