these are fill in the gaps and objective... please answer it all...

its urgent...Question no-1 is most important. nd 2nd picture they are all objective

Host A and B are communicating over a TCP connection. Please fill the corresponding sequence numbers and acknowledaement numbers. In Ethernet, the devices are identified by ( ). A. LLC address B. MAC address C. IP address D. IPX address The segments in transport layer is demultiplexed to different application processes via ( ). A. physical address B. port number C. IP address D. logical address Network interface card (NIC) can realize the functions of ( ). physical layer B. link layer C. physical layer and link layer D. link layer and network layer In Internet, ( ) protocol provides services of hostname-to-IP-address translation. A. POP B. DNS C. ARP D. NAT Ipv6 can extend the IP address into A. 64 bit B. 128 bit C. 256 bit D. 1024 bit