Network Defense

1) Write a two page summary regarding how an attacker uses Ping sweeps, Port scans, and Nmap scans. (1.5 Pages)

2) Using the Internet, research methods to stop and/or minimize the impact of a DoS attack. (1 1.5 Pages)

3) Write a summary of the capabilities of Wireshark.  Why is it an important tool for network support personnel?  (.75 Pages)