UDP is connectionless and does not require a session setup as does TCP. Your PC’s DNS query and the DNS server’s response make use of the User Datagram Protocol (UDP) as the transport layer protocol. When you type a website URL into your browser, your PC performs a DNS query to the DNS server’s IP address. DNS is a distributed network of servers that translates user-friendly domain names like to an IP address. When you use the internet, you use the Domain Name System (DNS). Part 3: Analyze Captured DNS or UDP Packets.Part 2: Use Wireshark to Capture DNS Queries and Responses.Part 1: Record a PC’s IP Configuration Information.Instructor Note: Red font color or gray highlights indicate text that appears in the instructor copy only. 10.2.7 Lab – Using Wireshark to Examine a UDP DNS Capture (Instructor Version)
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