Q13 Why do manufacturers of network hardware and software follow established standards?
So that any computer can work with any modem to communicate with other computers.
Q14 Briefly describe how an Ethernet network transmits data.
Q15 In what situations would the TCP/IP protocol be most useful?
1. Browsers and servers use TCP/IP to connect to the Internet.
2. Your e-mail program uses TCP/IP to connect to the Internet for sending and receiving e-mails.
3. Your Internet address "131.170.90.2" is a part of the standard TCP/IP protocol (and so is your domain
name).
Source: http://www.w3schools.com/tcpip/default.asp