Which two host names follow the guidelines... Cisco IOS devices?

Which two host names follow the guidelines for naming conventions on Cisco IOS devices? (Choose two.)

Branch2!
RM-3-Switch-2A4
Floor(15)
HO Floor 17
SwBranch799

Answers Explanation & Hints:

Some guidelines for naming conventions are that names should:Start with a letter
Contain no spaces
End with a letter or digit
Use only letters, digits, and dashes
Be less than 64 characters in length

Which two host names follow the guidelines for naming conventions on Cisco IOS devices? (Choose two.)

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