The TCP header checksum ensures integrity of what data in the TCP segment?
A. The data only.
B. The header only.
C. The data and header.
D. There are no TCP header checksums; IP covers the calculation.
Answer:C
The TCP header checksum ensures integrity of what data in the TCP segment?
A. The data only.
 B. The header only.
 C. The data and header.
 D. There are no TCP header checksums; IP covers the calculation.
