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What is a layer four header?
In the commonly used TCP/IP communications, that would either be a TCP header, or a UDP header.In the commonly used TCP/IP communications, that would either be a TCP header, or a UDP header.In the commonly used TCP/IP communications, that would either be a TCP header, or a UDP header.In the commonly used TCP/IP communications, that would either be a TCP header, or a UDP header.
How many fields are there in IPv4 header?
UDP is a Transport layer protocol or fourth layer protocol. UDP is a connection less protocol used in transport layer. UDP header have four fields in total .
How do you get IP header of a UDP message?
Did you try Wireshark?
What has port numbers in its header?
both tcp and udp
The fields in TCP header that are missing from UDP header?
The sequence number, acknowledge number, and Window fields.
Udp header contains how many headers?
The UDP (User Datagram Protocol) header contains a total of four fields, which are: source port, destination port, length, and checksum. Each of these fields is 2 bytes long, making the total UDP header size 8 bytes. Unlike some protocols, UDP does not include additional headers like options or flags, keeping it simple and lightweight for fast transmission.
Why does the TCP header have a header length field and UDP header does not?
in tcp header (32 bits) we have a field that is called options and padding that has variable in length and the header length shows the actual header size i.e size of 20 octets+size of options and padding field and in UDP we dont have any field like that and its header is fixed of 8 OCTETS (32 bits header size) refrence: WIRELESS COMMUNICATIONS AND NETWORKS by William Stallings Second Edition pg 91(see fig)
What information is found in both the TCP and UDP header information?
souce and destination ports
Which information is found in both the udp and the tcp header information?
source and destination port
How does the dns server add a udp header to the contexts of a dns query?
anonymous systems
What is the maximum and minimum size of a UDP datagram?
maximum size is 512 bytes without header
Which three fields are used in a UDP segment header?
• checksum • destination port • source port
