RM-3-Switch-2A4* and SwBranch799* are the two host names follow the guidelines for naming conventions on cisco ios devices. The correct options are 2 and 3.
<h3>What is a host name?</h3>A hostname is a label assigned to a computer network connected device that is used to identify the device in various forms of electronic communication, such as the World Wide Web.
Hostnames can be simple single-word or phrase names, or they can be structured.
The two host names, RM-3-Switch-2A4 and SwBranch799, adhere to the guidelines for naming conventions on Cisco iOS devices.
Thus, the correct options are 2 and 3.
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