1. state the difference between ethernet and atm. 2. how does switch differs from hub ? 3. given the following ip addresses (in hexadecimal)identify ; a) the class, b) the network id (both in hex and binary), c) the host id (both in hex and binary), d) write each address in dotted decimal notation. 1. bc145f3a 2. 765e9a8d 3. c8483f95 4. 5d3a297e 5. 957b357e 6. d976827b 7. 394e839a 8. c7562dcf 9. 8cdfcb7a 4. exactly how many class a, b, and c networks can exist? exactly how many hosts can a network in each class have? how many possible addresses are possible in each class? how many ip addresses are available overall?