Trademark. Trademarks are for words, symbols, devices or names that are used to distinguish the goods of one manufacturer or seller from that of another. Any distinctive name, symbol, or word is designated as trademarked with the symbol â¢. The trademark designation notifies others that the productâs name and design are the companyâs property. However, this trademark does not protect the company from another company that produces a similar product or uses a similar name.
Address resolution protocol is used to find the MAC address or hardware address from destination IP address through ARP request by network layer.
PPP can be encapsulated in a number of data link layer protocols, including Ethernet (PPPoE) and Asynchronous Transfer Mode (PPPoA). PPP uses Link Control Protocol (LCP) to establish a session between a user's computer and an ISP. LCP is responsible for determining if the link is acceptable for data transmission.