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What does tcp and udp pass request to?
IP
When a client computer sends a request to a Domain Name System (DNS) server, what type of packet is sent?
DNS primarily uses the User Datagram Protocol (UDP) on port number 53 to serve requests. DNS queries consist of a single UDP request from the client followed by a single UDP reply from the server. When the length of the answer exceeds 512 bytes and both client and server support EDNS, larger UDP packets are used.
Why does IP TCP and UDP discard a packet that arrives with a checksum error without notifying the sender?
UDP protocol. ----------------------------------- Well my version of answer is: In the case of IP and UDP, these are unreliable protocols that do not guarantee delivery, so they do not notify the source. TCP does guarantee delivery. However, the technique that is used is a timeout. If the source does not receive an acknowledgment to data within a given period of time, the source retransmits.
Why should telnet to UDP port fail?
A single port can be configured to listen for UDP or TCP inbound connection requests (or both). Telnet uses TCP. So when you telnet to a specific IP:port, telnet will attempt to make a TCP connection. If there is no TCP listener on the port you specify, then the connection request will be refused. It matters not if you have a UDP listener on the port. Telnet will not be able to establish a connection to a UDP port.
What is fastest udp or tcp?
UDP
Explain the format of udp hearder udp message queqe?
. A Explain the overview of UDP messaging.
What port number does the TFTP server use to accept request from client?
By default a TFTP server will accept connection requests on UDP port 69.
What protocol uses udp?
DNS uses both TCP and UDP, also a lot of online chats use UDP. I think even when you want videos on YouTube UDP is used to deliver video and audio.
Why is UDP considered unreliable?
Routers Drop a lot of UDP packets
Udp is which layer protocol?
UDP is a layer 4 (transport) protocol.
What kind of packet does a client use to close UDP?
UDP is a connectionless protocol, so there is no session to close. UDP is not expecting any particular packet, so opening and closing via UDP is not necessary.
What are the Differences between IP and UDP protocols?
1. IP works at network layer, UDP works at transport layer. 2. UDP carries application data, IP carries TCP segments or UDP datagrams.
