Attackers send an ACK probe packet with random sequence number, no response means port is
filtered (Stateful firewall is present) and RST response means the port is not filtered. What type of
Port Scanning is this?

Fingerprinting an Operating System helps a cracker because:

What is the command used to create a binary log file using tcpdump?

In the context of Windows Security, what is a ‘null’ user?

Which port, when configured on a switch receives a copy of every packet that passes through it?

What does the following command in netcat do?
nc -l -u -p55555 < /etc/passwd

What is the IV key size used in WPA2?

What hacking attack is challenge/response authentication used to prevent?

What type of session hijacking attack is shown in the exhibit?

What file system vulnerability does the following command take advantage of?
type c:\anyfile.exe > c:\winnt\system32\calc.exe:anyfile.exe