q3

3. There is a unique sequence of three data packets exchanged at the beginning of a TCP connection between two hosts (TCP Handshake). A virtual connection that is made over the network between host A and host B is shown in Fig. 1a. The three data packets are shown in Fig. 1b. If the source is host A and the destination is host B. a. What is the source port address of host A? b. What is the destination port address of host B? c. What is the value x in SEQ# = X? d. What is the value y in ACK# =y+1? Packet Horst A SYN SEQU EX LENO Host D Packet Hou A SYNACK SEQUSY ACKE*x+1 How B ID Summary 000001 TO SP1054 OP SYN SE7462768 ACID LENNO W634 OPT 000002 TCPS OP1054 SY SEO909625469740276 LECONS520 000001 TCP SP1054 21 SEQ-997462769 AC0962516 LEGO W 20 000004 FTPR Port054 220 Server Microsoft 00000) FTPC Port104 USER administrator 000010 FTPR Port1054 111 Password required 000014 FTPC Port1054 PASS Chile How Packet Host A ACK SEORx1 ACK-y1 Fig. la Fig. 1b