1. Why do some websites block “ping” requests? Explain whether websites still need to do this. 2. Identify and briefly explain two or more denial-of-service attacks that exploit TCP/IP protocols. 3....

1. Why do some websites block “ping” requests? Explain whether websites still need to do this.

2. Identify and briefly explain two or more denial-of-service attacks that exploit TCP/IP protocols.

3. Identify and briefly explain two or more attacks on TCP/IP that may route packets to the wrong hosts.

 4. Briefly explain the structure and components of a three-part domain name, like www.amawig.com.