Question: Question 2 (15 points) Given the following Wireshark packet trace, Frame 2: 72 bytes on wire (576 bits), 72 bytes captured (576 bits) on interface

Question 2 (15 points) Given the following Wireshark packet trace, Frame 2: 72 bytes on wire (576 bits), 72 bytes captured (576 bits)

Question 2 (15 points) Given the following Wireshark packet trace, Frame 2: 72 bytes on wire (576 bits), 72 bytes captured (576 bits) on interface 0 Ethernet II, Src: Elitegro_40:74:d2 (00:21:97:40:74:02), Dst: D- Link_cc:a3:ea (00:13:46:cc:a3:ea) Destination: D-Link cc:a3:ea (00:13:46:cc:a3:ea) Source: Elitegro_40:74:02 (00:21:97:40:74:d2) Type: IPv4 (Ox0800) Internet Protocol Version 4, Src: 192.168.0.113, Dst: 192.168.0.1 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CSO, ECN: Not-ECT) Total Length: 58 Identification: Ox2cf6 (11510) Flags: 0x00 Fragment offset: 0 Time to live: 128 Protocol: UDP (17) Header checksum: 0x8bfa [validation disabled] [Header checksum status: Unverified] Source: 192.168.0.113 Destination: 192.168.0.1 [Source GeoIP: Unknown] [Destination GeoIP: Unknown] User Datagram Protocol, Src Port: 52502, Dst Port: 53 Source Port: 52502 Destination Port: 53 Length: 38 Checksum: Oxd6eb [unverified] [Checksum Status: Unverified] [Stream index: 0] Domain Name System (query) Transaction ID: Oxa570 Flags: 0x0100 Standard query Questions: 1 Answer RRs: 0 Authority RRs: 0 Additional RRs: 0 Queries www.nmap.org: type A, class IN Name: www.nmap.org [Name Length: 12] [Label Count: 3] Type: A (Host Address) (1) class: IN (0x0001) Question 4 (15 points) - 1) Consider the following figure. It shows only one workstation of a Local Area Network. Etherneto Serialo WAN 0000 Workstation Router Ethernet Switch (L2) (10 points) Draw the devices of the above network and its interconnections showing the different network layers, according to the OSI layered architecture. (5 points) Identify in your drawing above the peer interfaces and service interfaces. Question 2 (15 points) Given the following Wireshark packet trace, Frame 2: 72 bytes on wire (576 bits), 72 bytes captured (576 bits) on interface 0 Ethernet II, Src: Elitegro_40:74:d2 (00:21:97:40:74:02), Dst: D- Link_cc:a3:ea (00:13:46:cc:a3:ea) Destination: D-Link cc:a3:ea (00:13:46:cc:a3:ea) Source: Elitegro_40:74:02 (00:21:97:40:74:d2) Type: IPv4 (Ox0800) Internet Protocol Version 4, Src: 192.168.0.113, Dst: 192.168.0.1 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CSO, ECN: Not-ECT) Total Length: 58 Identification: Ox2cf6 (11510) Flags: 0x00 Fragment offset: 0 Time to live: 128 Protocol: UDP (17) Header checksum: 0x8bfa [validation disabled] [Header checksum status: Unverified] Source: 192.168.0.113 Destination: 192.168.0.1 [Source GeoIP: Unknown] [Destination GeoIP: Unknown] User Datagram Protocol, Src Port: 52502, Dst Port: 53 Source Port: 52502 Destination Port: 53 Length: 38 Checksum: Oxd6eb [unverified] [Checksum Status: Unverified] [Stream index: 0] Domain Name System (query) Transaction ID: Oxa570 Flags: 0x0100 Standard query Questions: 1 Answer RRs: 0 Authority RRs: 0 Additional RRs: 0 Queries www.nmap.org: type A, class IN Name: www.nmap.org [Name Length: 12] [Label Count: 3] Type: A (Host Address) (1) class: IN (0x0001) Question 4 (15 points) - 1) Consider the following figure. It shows only one workstation of a Local Area Network. Etherneto Serialo WAN 0000 Workstation Router Ethernet Switch (L2) (10 points) Draw the devices of the above network and its interconnections showing the different network layers, according to the OSI layered architecture. (5 points) Identify in your drawing above the peer interfaces and service interfaces

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