Chapter 1 Flashcards
1
Q
Same-layer interaction
A
When two computers/devices use a protocol to communicate with one another one the same layer.
2
Q
Adjacent-layer interaction
A
When one layer provides a service to a higher layer on the same computer/device
3
Q
Encapsulation
A
The process of putting headers (sometimes trailers) around some data
4
Q
De-encapsulation
A
The process of removing headers
5
Q
Segment
A
Data encapsulated at the transport layer
6
Q
Packet
A
Data encapsulated at the network layer
7
Q
Frame
A
Data encapsulated at the (data) link layer
8
Q
PDU
A
The bits that include the headers, encapsulated data, and trailers for a particular network layer (OSI terminology)
9
Q
Benefits of layered protocol
A
Less complex Standard interfaces Easier to learn Easier to develop Multi-vendor interoperability Modular engineering
