The Cluster Switch Health Monitor (CSHM) is a diagnostic feature used to monitor the health and configuration of cluster network switches. As part of ONTAP SAN implementation testing and troubleshooting, CSHM relies on secure, authenticated communication between the cluster and the switches.
NetApp installation and operational documentation clearly specifies thatSSHmust be used for bothCSHM monitoring and log collection. SSH provides encrypted communication, authentication, and command execution capabilities that are required to securely access switch operating systems and retrieve diagnostic information.
Protocols such asTelnetandHTTPare not acceptable because they transmit data in clear text and do not meet NetApp security standards.SSLis not used for switch CLI access or log retrieval in the context of CSHM.
Using SSH ensures compliance with security best practices while enabling ONTAP to collect switch logs, execute health checks, and validate switch configuration state. This requirement is consistently reinforced in NetApp installation objectives as part of secure cluster infrastructure design.
Therefore, the correct answer isD (SSH).
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