Q1: It is used to send and receive faxes directly on your computer system.
Q2:The security mechanism used on the internet that relies on public key and private key.
Ans: Digital signature
Q3: Protocol used to find the IP(Internet Protocol) address by sending the MAC address.
Ans: RARP (Reverse Address Resolution Protocol)
Q4: Paperless exchange of business information using computer and network technologies.
Q5: The unauthorized access to computer systems or networks.