1. How many octets (bytes) is the Ethernet header (exclude CRC)? 2. What does the Ethernet Type field (the field that is contained in the header) identify? 3. What are the three prevalent Ethernet Type field (there are more but our text book describes only three) values? What are they used for? 4. When someone refers to the current Ethernet, what are they referring to? (What type of cabling?) 5. What is the connector name for a Twisted pair Ethernet? 6. What are the three variants of Twisted Pair Ethernet and their corresponding speeds?