The answer is edu. Hope this helps.
Answer:
Classless Inter-Domain Routing
Explanation:
Classless Inter-Domain Routing (CIDR), pronounced “cider” or “sidder,” gets its name from the notion that it ignores the traditional A, B, and C class designations for IPv4 addresses and sets the network-host ID boundary wherever it wants to, in a way that simplifies routing across the resulting IP address spaces.
Answer:
A LAN
Explanation:
A LAN, or a Local Area Network, is a network of devices typically within 10 meters of range regardless of what it is built around.
You want to use proper etiquette and be polite, do not call them by their first name and always refer to them as Mr., or Mrs. Use an extended vocabulary and do not talk about yourself. If you have proper grammar, depending on the job, that can be seen as intelligence. And always use an appropriate closing that is respectful. Such as, Sincerely, John Doe.