Magna Concursos
1640295 Ano: 2009
Disciplina: TI - Redes de Computadores
Banca: CESPE / CEBRASPE
Orgão: MPO

0.055429 IP (tos 0x0, ttl 128, id 2442, offset 0, flags [DF], proto: TCP (6), length: 48) 10.1.1.1.2373 >
10.1.1.2.7777: S, cksum 0x9764 (correct), 160520737:160520737(0) win 64240 <mss 1460,nop,nop,sackOK>

0.055990 IP (tos 0x0, ttl 128, id 2691, offset 0, flags [DF], proto: TCP (6), length: 48) 10.1.1.2.7777 >
10.1.1.1.2373: S, cksum 0xb8a6 (correct), 3778458614:3778458614(0) ack 160520738 win 17520 <mss 1460,nop,nop,sackOK>

0.056088 IP (tos 0x0, ttl 128, id 2443, offset 0, flags [DF], proto: TCP (6), length: 40) 10.1.1.1.2373 >
10.1.1.2.7777: ., cksum 0x2eea (correct), ack 1 win 64240

0.095338 IP (tos 0x0, ttl 128, id 2450, offset 0, flags [DF], proto: TCP (6), length: 1064) 10.1.1.1.2373
> 10.1.1.2.7777: P, cksum 0x24b7 (correct), 1:1025(1024) ack 1 win 64240

0.095444 IP (tos 0x0, ttl 128, id 2451, offset 0, flags [DF], proto: TCP (6), length: 1500) 10.1.1.1.2373
> 10.1.1.2.7777: P, cksum 0xc78f (correct), 1025:2485(1460) ack 1 win 64240

0.098918 IP (tos 0x0, ttl 128, id 2698, offset 0, flags [DF], proto: TCP (6), length: 40) 10.1.1.2.7777 >
10.1.1.1.2373: ., cksum 0xdbb6 (correct), ack 2485 win 17520

0.099035 IP (tos 0x0, ttl 128, id 2452, offset 0, flags [DF], proto: TCP (6), length: 1500) 10.1.1.1.2373
> 10.1.1.2.7777: P, cksum 0x970f (correct), 2485:3945(1460) ack 1 win 64240

0.099073 IP (tos 0x0, ttl 128, id 2453, offset 0, flags [DF], proto: TCP (6), length: 1500) 10.1.1.1.2373
> 10.1.1.2.7777: P, cksum 0x1825 (correct), 3945:5405(1460) ack 1 win 64240

0.099109 IP (tos 0x0, ttl 128, id 2454, offset 0, flags [DF], proto: TCP (6), length: 1500) 10.1.1.1.2373
> 10.1.1.2.7777: P, cksum 0x738f (correct), 5405:6865(1460) ack 1 win 64240

0.103041 IP (tos 0x0, ttl 128, id 2705, offset 0, flags [DF], proto: TCP (6), length: 40) 10.1.1.2.7777 >
10.1.1.1.2373: ., cksum 0xd04e (correct), ack 5405 win 17520

Considerando o trecho de captura de tráfego de rede apresentado acima, julgue o próximo item.

Segundo a captura em questão, ocorrem retransmissões de pacotes.

 

Provas

Questão presente nas seguintes provas

Processo Seletivo Interno - Nível Superior

120 Questões