B are primary and C are secondary.
Word processor because it's more for writing
Answer: Protocol
Explanation: Protocol is the standard that is used in the communication and electronic devices for the communication. Through the mean of the these guidelines the communication is done by the sending and receiving of the data.
This works for the both wired networking and wireless communication which functions under the certain conditions.Examples-TCP(Transmission control protocol), FTP(File transfer protocol) etc.
The correct answer is B: ls -l.
Further Explanation:
In Linux there is a specific command needed to look at the files in a directory. In addition to using the command ls -l, you will need to use < > after the command and insert the name of the file that is being looked for. For example: ls -l <root root 2356 0600 Oct 22 lanyard>.
Each word and character has their own meaning and access information stored in the database. This will also show the users accesses permission to see the file and if needed to write over the file.
Learn more about computer commands at brainly.com/question/13338803
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