Systems Security Certified Practitioner – SSCP – Question0541

The IP header contains a protocol field. If this field contains the value of 51, what type of data is contained within the ip datagram?

A.
Transmission Control Protocol (TCP)
B. Authentication Header (AH)
C. User datagram protocol (UDP)
D. Internet Control Message Protocol (ICMP)

Correct Answer: B

Explanation:

TCP has the value of 6 UDP has the value of 17 ICMP has the value of 1
Reference: SANS http://www.sans.org/resources/tcpip.pdf?ref=3871