Q1: A protocol used to retrieve e-mail from a remote mail server.
Ans: Post Office Protocol version 3 (POP3)
Q2: A service that resides on computers that are connected to the Internet and allows end users to access data that is stored on the computers using standard interface software (browsers).
Ans: WWW (World Wide Web)
Q3: The process of guaranteeing data has not been modified or destroyed during transit through the network.
Ans: Data Integrity
Q4: The network model where there is at least one server.
Ans: Client Server Network Model
Q5: A port to connect external device.
Ans: USB Port