Fill in the blanks in the following statements. 1. The layers which are implemented in all of the network devices are 2. 3. 4. File transfer applications use networks keep state information about the connections. networks require full destination address to route the packets. protocol which opens two TCP connections on different ports for applications access the servers using andprotocols. transfer multiple objects over a single connection. applications mostly run over and 5. Email servers use protocol to communicate with each other where the client 6. HTTP opens a TCP connection for each object while can 7. Web and email applications run over transport protocol while real time transport protocol