A network rack has four servers and four switches with dual power supplies. Only one intelligent PDU is installed in the rack. Which of the following is the reason to add a second PDU?

Rationale

Power redundancy.

Adding a second Power Distribution Unit (PDU) provides power redundancy, ensuring that if one PDU fails, the other can maintain power to the servers and switches, thus preventing downtime and enhancing reliability.

A (Power redundancy) CORRECT

This choice correctly identifies the primary reason for adding a second PDU. Power redundancy is crucial in data centers to ensure that equipment remains operational during a power failure or PDU malfunction. With dual PDUs, each power supply unit in the servers and switches can be connected to separate PDUs, providing an uninterrupted power supply.

B (Failed PSU monitoring) YOUR ANSWER

While monitoring the health of power supply units (PSUs) is important, a PDU does not inherently provide failed PSU monitoring capabilities. Monitoring typically requires separate management tools or systems to track PSU performance and alert administrators of any failures. Therefore, adding a PDU alone does not enhance failed PSU monitoring.

C (Surge protection) YOUR ANSWER

Surge protection is typically built into PDUs, but adding a second PDU does not specifically enhance surge protection capabilities. Both PDUs would likely offer similar protection features, and the addition of a second unit is not primarily aimed at improving surge protection.

D (Electricity conservation) YOUR ANSWER

Adding a second PDU does not contribute to electricity conservation. In fact, it may increase overall power consumption due to the additional unit. The goal of adding a second PDU is to ensure reliability and uptime rather than to conserve energy.

Conclusion

The primary reason for adding a second PDU is to achieve power redundancy, which enhances the reliability of power delivery to critical network equipment. This ensures continuous operation in the event of a failure in one PDU, protecting against potential downtime. The other options—failed PSU monitoring, surge protection, and electricity conservation—do not directly relate to the core purpose of installing an additional PDU.

A network rack has four servers and four switches with dual power supplies. Only one intelligent PDU is installed in the rack. Which of the following is the reason to add a second PDU?

Power redundancy.

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