Q1: A hardware device that provide common wiring point in LAN.
Q2: A set of communications protocols used for the Internet and other similar networks.
Q3: Standardized naming convention for identifying a Web document or file, in a sense the address of a links.
Q4: Use of customized interactive computer tools for training purpose.
Ans: CBT(Computer Based Training)
Q5: A set of standards for transmitting Web pages across the Internet.
Ans: HTTP(Hypertext Transfer Protocol)