. What makes this a very efficient way to handle messages, i. e., why is it efficient for headers to be fixed length and payloads to be variable length

It is not a good idea in a cover letter to mention another person whom the employer knows.

Avariable of the data type arrays is storing 10 quantities. what is true about these quantities? a. the quantities all have different characteristics. b. the quantities all have the same characteristics. c. five quantities have the same and five have different characteristics. d. it is necessary for all quantities to be integers. e. it is necessary for all quantities to be characters.

Match the items with their respective descriptions.