Handshaking techniques can be implemented on the application layer if you use UDP Choose one 3 points True False QUESTION 7 On the server side, once a connection has been established with the client, the program should call recv( ) and send() on the listening socket. Choose one. 3 points True False QUESTION 8 A network topology in which all data/information pass through a central computer is Choose one 3 points Ring Bus Star Mesh All he above QUESTION 9 Refer to the picture. Which lines indicate the 3 way handshake? Choose one 3 points No. 2 O O O Time 2 2.319453 3 2.319493 4 2.319563 127.0.0.1 127.0.0.1 127.0.0.1 7 13.367770 127.0.0.1 8 13.367796 127.0.0.1 9 13.367812 127.0.0.1 10 13.367822 127.0.0.1 13 22.622787 127.0.0.1 14 22.622827 127.0.0.1 15 22.622841 127.0.0.1 16 22.622848 127.0.0.1 18 29.161148 127.0.0.1 19 29.161173 127.0.0.1 20 29.161190 127.0.0.1 21 29.161201 127.0.0.1 23 33.580320 127.0.0.1 2, 3, 4 2, 3, 7 2,3 Source 2, 3, 23 None of the others Destination 127.0.0.1 127.0.0.1 127.0.0.1 127.0.0.1 127.0.0.1 127.0.0.1 127.0.0.1 127.0.0.1 127.0.0.1 127.0.0.1 127.0.0.1 127.0.0.1 127.0.0.1 127.0.0.1 127.0.0.1 127.0.0.1 Protocol Length Info TCP TCP TCP TCP TCP TCP TCP TCP TCP TCP TCP TCP TCP TCP TCP TCP 118 8972 31337 [SYN] Seq=0 Win=64240 Len=0 MSS=65495 WS-256 118 31337 8972 [SYN, ACK] Seq=0 Ack=1 Win=65535 Len=0 MSS=6! 94 897231337 [ACK] Seq=1 Ack-1 Win-525568 Len=0 96 8972 31337 [PSH, ACK] Seq=1 Ack=1 Win=525568 Len=1 94 31337 8972 [ACK] Seq=1 Ack=2 Win=525568 Len=0 158 897231337 [PSH, ACK] Seq=2 Ack=1 Win=525568 Len=32 94 313378972 [ACK] Seq=1 Ack=34 Win=525568 Len=0 96 31337 8972 [PSH, ACK] Seq=1 Ack=34 Win=525568 Len=1 94 897231337 [ACK] Seq=34 Ack=2 Win=525568 Len=0 160 31337 8972 [PSH, ACK] Seq=2 Ack=34 Win=525568 Len=33 94 8972 31337 [ACK] Seq=34 Ack=35 Win=525312 Len=0 96 8972 31337 [PSH, ACK] Seq=34 Ack=35 Win=525312 Len=1 94 31337 8972 [ACK] Seq=35 Ack=35 Win=525312 Len=0 124 897231337 [PSH, ACK] Seq=35 Ack=35 Win=525312 Len=15 94 31337 8972 [ACK] Seq=35 Ack=50 Win-525312 Len=0 94 8972 31337 [RST, ACK] Seq=50 Ack=35 Win=0 Len=0