Transport Layer Question Pool

1. How many packets are exchanged between TCP layers when a connection is established between hosts on the same segment?
2. Place the following protocols in their correct place in the diagram below. { The numbers correspond to the OSI model layers}
   TCP, Ethernet, IP, ARP, FTP, UDP, TELNET, ICMP
   

   5-7	??????????
   4	??????????
   3	??????????
   2	??????????
   1	??????????

3. Flow control in TCP is implemented by:
   • Windoze 95.
   • XON/XOF
   • window size
   • URGENT data
4. ISO protocol TP0 is most like:
   • UDP
   • TELNET
   • TCP
   • DNS
5. Duplicate, leftover TCP packets may be detected by:
   • incorrect checksums.
   • destination IP address.
   • sequence number.
   • the application.
6. The purpose of the TCP Syn packet includes all except:
   • connection request.
   • route establishment.
   • establishing window size.
   • setting sequence numbers.
7. 1. ISO protocol TP4 is most like:
   • UDP
   • TELNET
   • TCP
   • DNS
8. Out of band communication in TCP refers to:
   • data sent to an auxiliary port.
   • data pointed to by the Urgent pointer.
   • data sent on a separate LAN.
   • data sent by FDM.