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What is The header of an IPv4 packet does not include fields required for?
The header of an IP packet does not include fields required for reliable data delivery. There are no acknowledgments of packet delivery. There is no error control for data.
What is the purpose of 4 byte acknowlegement in tcp header?
The 4-byte acknowledgment field in a TCP header serves to confirm the receipt of data packets. It contains the next expected sequence number, indicating that all previous bytes have been successfully received. This mechanism ensures reliable data transmission by allowing the sender to know which data has been acknowledged and which may need to be retransmitted. It also helps in maintaining the correct order of data segments.
What attack modifies the fields that contain the different characteristics of the data that is being transmitted?
HTTP Header attack
What is the correct order for PDU encapsulation?
Frame Header - Network Header - Transport Header - Data - Frame Trailer
Which header has the source and destination MAC address?
data link header
In ipv6 which header encrypts data?
encapsulating security payload (esp) header
The function of the checksum field in a TCP header?
The checksum field in a TCP header is used to verify the integrity of the TCP segment during transmission. It checks for errors that may have occurred in the data, ensuring that the segment received is the same as the one sent. The checksum is calculated over the TCP header and the data payload, and the receiver recalculates the checksum to confirm its accuracy. If the checksums do not match, the segment is considered corrupted and is typically discarded.
What is the component of data link?
header, packet(data), and trailer
How many bytes in TCP?
TCP (Transmission Control Protocol) uses a variable header size that typically ranges from 20 to 60 bytes. The standard header size is 20 bytes, which includes fields such as source and destination ports, sequence number, acknowledgment number, and control flags. Additional options can extend the header size, but the maximum size for a TCP packet, including the header and data, can be up to 65,535 bytes.
What are the primary subdivision of an IP datagram?
data, and header
What is the use of header file stdbool.h?
stdbool header file use for a new data type that is boolean value
What are data structures consisting of related data items of the same type?
header and bloc
