A customer would like to deploy Hitachi Global Link Manager (HGLM) to monitor for path errors on their SAN hosts running Hitachi Dynamic Link Manager (HDLM). Which method is used by the host to…

Question

Options

• ASNMP
• BSMTP
• CSMS
• DSIM

• A
  90% (37)
• B
  2% (1)
• C
  2% (1)
• D
  5% (2)

Explanation

SNMP (Simple Network Management Protocol) is the correct answer because HDLM is designed to send SNMP traps to the HGLM server when it detects path failures or errors on SAN hosts - this is the standard mechanism for real-time alert notification from managed hosts to a central management console like HGLM.

Why the distractors are wrong:

• B (SMTP) is an email transfer protocol, not a host-monitoring alert mechanism - it has no role in HDLM-to-HGLM communication.
• C (SMS) is a cellular text messaging service, which is entirely outside the scope of SAN infrastructure communication protocols.
• D (SIM) (Service Information Messages) is an IBM mainframe concept unrelated to Hitachi's HGLM/HDLM architecture.

Memory tip: Think "SNMP = Storage Network Monitoring Pings" - whenever a storage or network management tool needs real-time alerts from a host or device, SNMP traps are almost always the answer on Hitachi (and general enterprise storage) exams.

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