The correct answer is: B. Connectionless protocol.
A connectionless protocol is a type of network protocol that does not establish a connection between the sender and receiver before sending data. This means that each packet of data is sent independently of the others, and there is no guarantee that they will arrive in the correct order or at all.
A connection-oriented protocol is a type of network protocol that establishes a connection between the sender and receiver before sending data. This connection ensures that all packets of data are received in the correct order and that any lost packets are retransmitted.
A user-defined protocol is a type of network protocol that is defined by the user or application. This type of protocol is not standardized and is not typically used in production networks.
A security protocol is a type of network protocol that is designed to protect data from unauthorized access or modification. This type of protocol is typically used in
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