Q2// (3 Marks) Fill in the blanks? 1- Error .... ....... is used for Data be transferred in both directions but not at the same time in the full-duplex network. 2- ....... Protocol is connection oriented similar to Telephone called "circuit switching" protocol and it is responsible of transferring the data packet between end processes. 3- Multicast network consists of a single data packet that is sent from one source to a specific group of nodes. In this network, Class .... IP Addresses is used. 4- C:> Ping .it is a loopback testIP address in a computer network. layer: is responsible for frame synchronization, physical addressing, 5- and error detection