Jamie is using the UNIX file system to work on his computer. He puts a dot before the file extension to separate it from the filename. How does the UNIX file system interpret the dot?
A.
as a file extension
B.
as a command
C.
as a character in the file name
D.
as a folder name
E.
as a drive

You will subnet the network address 172.31.103.0/24. the network has the following requirements: · room-114 lan will require 27 host ip addresses · room-279 lan will require 25 host ip addresses · room-312 lan will require 14 host ip addresses · room-407 lan will require 8 host ip addresses how many subnets are needed in the network topology?