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An Ethernet frame has a 14 byte header, a data section, and a 4 byte trailer
14 byte header consist of destination address, source address and type
The trailer is for CRC (Cyclic redundancy Check)
An Ethernet frame can contain an IP and TCP PDU.
IP header most important parts consists of (Version,IHL, Total length,Protocol, source and destination address)
In details (Version,Header length,Differentiated services field, total Length, Identification, Flags, fragment offset, Time to live, protocol, header checksum, source and destination address).
TCP header most important parts consists of (Source port, Destination port and header Length)
In details (Source Port, Destination Port, Sequence number, Acknowledgment number, Header length,Flags,Window and check sum).
The details of the IP and TCP header have been taken from a Network protocol Analyzer Wireshark on my own pc.
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Which three basic parts are common to all frame types supported by the data link layer?
header trailer Data
A device receives an Ethernet frame and recognizes the MAC address as its own. What does the device do to the message to get to the encapsulated data?
Removes the Ethernet header and trailer
When header and trailer are added to pdu?
A header board, is a vertical structure on the front of flat-bed trailers. Its purpose is to keep the freight from moving forward onto the cab. It is humorusly called a headache rack (it prevents the load from shifting forward therefore prevents the driver from getting a "headache" when the cab is crushed. The terminology is different for a a dry-van trailer or a refrigerated trailer, or what is sometimes called a "box" trailer, wherein the front is called a bulkhead. Sometimes these two terms are incorrectly interchanged by drivers who lack trucking knowledge.
Define the terms packet datagram frame and token?
Data is transmitted on a network in pieces called packets, datagrams, or frames. Specifically, the frame is the header and trailer surrounding the data. The entire header, trailer, and data is called the packet or datagram. A token is a small packet used on Token Ring or FDDI networks. The token is passed from node to node to indicate to the node that data can be sent on the network.
What part of the cdv packet contains data that is being sent?
b. Payload that's what the data in a packet is called. The other parts are "header" and "trailer" depending on if they are at the beginning or end of the packet
What is the correct order for PDU encapsulation?
Frame Header - Network Header - Transport Header - Data - Frame Trailer
During the encapsulation process of the TCPIP model which layer will attach the IP header to the data?
internet
What is a header board on a tractor trailer?
header board is a the board on the front of the trailer, or the board that is on the tractor behind the cab/sleeper. this is made of metal and is to prevent the load on trailer coming thru the cab in the event an accident or other emergency
What is the component of data link?
header, packet(data), and trailer
Which one is the two way linked list a Circular link list b Node having header and trailer in the list C Array?
b Node having header and trailer in the list
What does the device do to the message to get to the encapsulated data?
removes the Ethernet header and trailer
What 3 parts of a data packet?
the answer is a Header,the a Payload, then last is the Trailer
Difference between tcpip version 4 and tcpip version 6?
tcpip version 4 is 32 bit where as tcpip v6 is 128bit tcpip 6 can accomadate blillion of bliions ip addresses
How does the data link layer prepare packets for transmission?
It encapsulates with a header and a trailer to create a frame.
What 3 items are contained in ethernet header trailer?
the ethernet frame what it concist of
What information is in an Ethernet header and trailer?
The Basic Header contains information about the source of the message. The Application Header contains information about the message type and the destination of the message. The contents of the trailer block include both user information (checksum, message authentication, proprietary authentication, and so on) and system information (delayed message, message reference, possible duplicate message, and so on).
Which three basic parts are common to all frame types supported by the data link layer?
header trailer Data
