Question 2
You are part of a security staff at a highly profitable bank and each day, all traffic on the network is logged for later review. Every Friday when major deposits are made you're seeing a series of bits placed in the "Urgent Pointer" field of a TCP packet. This is only 16 bits which isn't much but it concerns you because:
This could be a sign of covert channeling in bank network communications and should be investigated.
It could be a sign of a damaged network cable causing the issue.
It could be a symptom of malfunctioning network card or drivers and the source system should be checked for the problem.
It is normal traffic because sometimes the previous fields 16-bit checksum value can over run into the urgent pointer's 16-bit field causing the condition.
Correct answer: A