Answer:
ASCII- Presentation layer
DDP- Network layer
Ethernet- Data Link Layer
NetBios- Session Layer
Telnet- Application Layer
PPP- Data Link Layer
UDP- Transport Layer
Explanation:
UDP is transport layer protocols and it is functional at the 4th layer in the OSI model below session and above the network layer.
Point-to-Point Protocol ensures authentication of connection, encryption of transmission, as well as compression. And it is part of the Data Link Layer.
Telnet is for operating remotely over a network and is part of the application layer.
NetBIOS stands for Network Basic Input and Output System. It allows the application on different computers to communicate with each other and is part of the session layer.
Ethernet is part of the Data Link Layer.
Datagram Delivery Protocol or the DDP is the network layer protocol used for routing purposes.
ASCII is part of the Presentation Layer.
