Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
8 Cards in this Set
- Front
- Back
|
What type of communication is used? |
node to node |
|
|
Services provided by DLL? (4) |
1. Framing 2. Flow control 3. Error Control 4. congestion control |
|
|
What is Framing |
encapsulate datagram from network layer into frame before sending to next node. Node decapsulates datagram from frame |
|
|
What does a frame include? |
header + tailer + data |
|
|
main purpose of flow control? |
buffer on receiver. if full stop trasmitting etc |
|
|
three types of link layer addressing |
unicast, multicast and broadcast
|
|
|
unicast addressing? |
one-to-one communication, each host or interface of a router is assigned a unicast address |
|
|
ARP? |
Address Resolution Protocol - accepts IP address from network layer, maps address to corresponding link-layer address and passes it to DLL |
