In order for me to answer this I need a photo of what the "invisible marks" are
<span>LH production! ............
(EXTRA LETTERS)</span>
Answer:
Sorry im not Vietnam so please explain it in English or ask someone who can speak Vietnam to help you
These are known as class variables, so called because of the property mentioned.
A <u>file server </u>allows many users to share the same set of files on a common, shared disk drive.
<h3>What is the type of reliable file server used in many networks?</h3>
A LAN can have many additional types of dedicated servers. Four common types are file servers, database servers, print servers, and contact servers.
File servers permit many users to share the same set of files on a common, shared disk drive.
<h3>What is a server used for?</h3>
A server stores send and receive data. In essence, it "serves" something else and exists to supply services. A computer, software program, or even a storage apparatus may act as a server, and it may supply one service or several.
To learn more about file server , refer
brainly.com/question/24243510
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