In a computer network, which of the following functions are normally performed…
2023
In a computer network, which of the following functions are normally performed by communication protocols for efficient and error-free data transmission?
I. Data routing
II. Procedure and order of transmission
III. Data security
IV. Data formatting
- A.
Only II, III and IV
- B.
Only I, II and III
- C.
I, II, III and IV
- D.
Only I, III and IV
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Correct answer: C
A communication protocol is a formal set of rules and formats that govern how data is exchanged across a network. Protocols can define routing behavior, transmission order and control procedures, security mechanisms, and data formatting or encapsulation rules. Therefore, I, II, III and IV are correct.