Answer: C)report the status of individual computer users
Step-by-step explanation:Morris worm is known as the program that replicates itself automatically and hides in the computer system.Because of the vulnerability of the system ,the worm worked as finger protocol for the gaining of the user information and status.
Other option are incorrect as the they are not the vulnerability factor for the Morris worm to work on it and thus finger protocols don't work on those option.Thus, the correct answer is option(c)