GATE-2024-CS1(Forenoon)
April 11, 2024Software-Engineering
April 12, 2024Question 8940 – TCP/UDP
Checksum field in the TCP header is
Correct Answer: B
Question 1 Explanation:
one’s complement sum of all 16 bit words in the header.
The checksum is not only calculated using TCP/UDP headers and data. It also adds several bits of data from IP header as well. This data is sometimes called as a pseudo header.
The checksum is not only calculated using TCP/UDP headers and data. It also adds several bits of data from IP header as well. This data is sometimes called as a pseudo header.
Ones complement of sum of header and data in bytes
Ones complement of sum of header, data and pseudo header in 16 bit words
Dropped from IPv6 header format
Better than md5 or sh1 methods