Q1: The unique address of the computer on the internet.
Ans: IP address
Q2: A computer on the network that uses resources of the network.
Q3: The expansion card used to provide network access to a computer.
Ans: NIC card
Q4: Data transmission mode in which data can flow in both directions but not at the same time.
Ans: Half Duplex
Q5: An internet protocol that is required to use Internet Telephony service.
Ans: VoIP (Voice Over Internet Protocol)