You type the following command into the switch and receive the following output: Switch# show fastethernet 0/1 ^ % Invalid input detected at '^' marker.Why was this error message displayed? A. You need to be in privileged mode. B. You cannot have a space between fastethernet and 0/1 . C. The switch does not have a Fastethernet 0/1 interface. D. Part of the command is missing.

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