Why would it be necessary to use the copy running-config startup-config command after the switchport port-security mac-address sticky command?
A) The request to use sticky addresses is only temporary.
B) Only the startup-config file can manage port security.
C) The running-config file cannot use sticky addresses.
D) The sticky addresses are temporary until the configuration is saved.
D
Explanation: D) The running configuration will contain the sticky (dynamic) addresses, so the entire configuration must be saved for this to be persistent.
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