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How can you identifiy a DNS frame in wired Ethernent?
1. Is it broadcast?
2. What is layer 3 protocol : IP/ARP
3. What is layer 4 protocol : TCP/ UDP
4. What clue will tell you it is a DNS frame ?(explan)
5. Is the following frame carrying DNS message?
Solution
Please find the answers below:
1) No
2) The address resolution protocol (arp) is a protocol used by the Internet Protocol (IP),
specifically IPv4, to map IP network addresses to the hardware addresses used by a data link
protocol.
3) TCP is one of the main protocols in TCP/IP networks. Whereas the IP protocol deals only
with packets, TCP enables two hosts to establish a connection and exchange streams of data.
TCP guarantees delivery of data and also guarantees that packets will be delivered in the same
order in which they were sent.
How can you identifiy a DNS frame in wired Ethernent- 1- Is it broadca.docx

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How can you identifiy a DNS frame in wired Ethernent- 1- Is it broadca.docx

  • 1. How can you identifiy a DNS frame in wired Ethernent? 1. Is it broadcast? 2. What is layer 3 protocol : IP/ARP 3. What is layer 4 protocol : TCP/ UDP 4. What clue will tell you it is a DNS frame ?(explan) 5. Is the following frame carrying DNS message? Solution Please find the answers below: 1) No 2) The address resolution protocol (arp) is a protocol used by the Internet Protocol (IP), specifically IPv4, to map IP network addresses to the hardware addresses used by a data link protocol. 3) TCP is one of the main protocols in TCP/IP networks. Whereas the IP protocol deals only with packets, TCP enables two hosts to establish a connection and exchange streams of data. TCP guarantees delivery of data and also guarantees that packets will be delivered in the same order in which they were sent.