Question
The capture from Lines 17 to 20 is based on a regular protocol. 1) State the network layer protocol, N1 , and its function based
The capture from Lines 17 to 20 is based on a regular protocol.
1) State the network layer protocol, N1, and its function based on the capture above.
2) A network administrator tests the network using 'ping' command. Elaborate on the similarity of the command with 'tracert'.
Figure 6 shows a Wireshark capture. Destination Protocol No. Time Source 1 0.000000 192.168.23.55 100.168.0.4 TI 2 0.001695 100.168.0.4 192.168.23.55 T1 3 0.001739 192.168.23.55 100.168.0.4 TI 4 0.013040 0.150243 192.168.23.55 100.168.0.4 100.168.0.4 192.168.23.55 A1 Al 5 6 0.150351 192.168.14.16 100.168.0.4 P1 ARP 7 0.150496 Barca_01:6e: bd Broadcast 8 0.151908 Porto_00:34:56 Silicom_01:6e:bd 9 0.152486 192.162.55.10 192.168.1.1 ARP DNS 10 0.153265 192.168.1.1 192.162.55.10 DNS Info 50678 > 23 (SYN) Seq=0 Win-32120 Len-0 MSS-1460 - 23 > 50678 [SYN, ACK) Seq=0 Ack-1 Win-17376 Len0 MSS-1448 - 50678 > 23 [ACK) Seq=1 Ack=1 Win=32120 Len=0 Al Data.. Al Data. 50678 > A1 (ACK) Seq-28 Ack=4 Win32120 Len=0. Who has 192.168.1.1? Tell 192.168.1.2 192.168.1.1 is at 00:30:54:00:34:56 Standard query Oxedd4 A ftp.ecitele.com Standard query response Oxedd4 CNAME dns.prime.com A 147.234.1.253 ghetto > 25 [SYN] Seq=0 Win-16384 Len-0 MSS-1460 - 25 > ghetto (SYN, ACK) Sequo Ack-1 Win-25398 Len=0. ghetto > 25 [ACK] Seq=1 Ack=1 win=16932 Len=0 Standard query Oxbdd5 SRV_sip._udp.sip.cybercity.dk Request: REGISTER sip:sip.fullamark.in Status: 401 Unauthorized (0 bindings) Echo (ping) request (id=0x0200, seg(be/le)-230479 ttl=128) Echo (ping) reply (id=0x0200, seg(be/le) 2304/9 ttl=128) Echo (ping) request (id=0x0200, seg(be/le) -2560/10 ttl=128) Echo (ping) reply (id=0x0200, seq(be/le) 2304/9 ttl=128) 11 0.154151 192.162.55.10 147.234.1.244 A2 12 0.154822 147.234.1.244 192.162.55.10 A2 147.234.1.244 A2 14 192.162.55.10 DNS 13 0.155600 192.162.55.10 0.156489 192.168.1.1 15 0.157157 192.162.55.10 0.157936 212.242.33.35 0.158714 192.162.55.10 212.242.33.35 SIP 16 192.162.55.10 SIP 17 192.168.1.1 NI 18 0.159493 192.168.1.1 192.162.55.10 N1 19 0.160211 192.162.55.10 192.168.1.1 NI 20 0.161087 192.168.1.1 192.162.55.10 NI Figure 6: A Wireshark captureStep by Step Solution
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Practical Azure SQL Database For Modern Developers Building Applications In The Microsoft Cloud
Authors: Davide Mauri, Silvano Coriani, Anna Hoffma, Sanjay Mishra, Jovan Popovic
1st Edition
1484263693, 978-1484263693
