An administrator is configuring an LPAR for a NIM installation and is unsure if the 'Ping Test' option within SMS is a required configuration step. Which statement best describes the 'Ping Test' option?（）
A. The 'Ping Test' is a recommended step to verify the IP information entered into the RIPL SMS panel.
B. The 'Ping Test' is a mandatory step required to commit the IP information entered into the RIPL SMS panel.
C. The 'Ping Test' is an optional step to verify network configuration entered into the RIPL SMS panel on older copper-based networks.
D. The 'Ping Test' is an optional step to verify network connectivity between client and server, where ICMP traffic is allowed on the connecting network.
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