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.
Point to Point Protocol provides a standard method of encapsulating Network Layer protocol information over point-to-point links. PPP also defines an extensible Link Control Protocol, which allows negotiation of an Authentication Protocol for authenticating its peer before allowing Network Layer protocols to transmit over the link PPP encapsulates data frames for transmission over Layer 2 physical links.