Can someone please solve number 16 and 20

which segment is being acknowledged.3 ev feliability. ptet, The 32-bit Acknowledgment Number we noted that TCP uses iel ledgment number indicates which segment is bei ing acknowledged. lPurpose Segments Note that TCP segments can contain both new infor usually an application message in the data field) and the acknowledgment of a Du mation segment. This is done to minimize the number of TCP segments that are ents that are trans- by the two internet processes. est Your Understanding 6. a) What are 1-bit fields called? b) If someone says that a flag field is set, what this mean? c) If the ACK bit is set, what other field must have a value? d) are sequence numbers good? e) What is the purpose of the Acknowledg ent Number Field? f) Do SYN segments have data fields? g) Can a single TCP does nt both send information and provide an acknowledgment? User Datagram Protocol (UDP) Datagram Syntax Applications that cannot use the high functionality in TCP or that do not need th functionality can use the User Datagram Protocol (UDP) at the transport layer inste TCP. UDP does not have openings, closings, or acknowledgments, and so it produ ubstantially less traffic than TCP. UDP messages are called datagrams. Because of UDP's simple operation, the hown in Figure 2-14 is very simple. Beside two port nu of nnly two header fields