Please enable JavaScript.
Coggle requires JavaScript to display documents.
TOPIC 2.1: PHYSICAL LAYER IN NETWORK ACCESS - Coggle Diagram
TOPIC 2.1: PHYSICAL LAYER IN NETWORK ACCESS
a. PHYSICAL LAYER STANDARD ORGANIZATIONS
ISO
IEEE
TIA/EIA
ITU
b. PHYSICAL COMPONENTS
Network Interfaced Card (NICs)
Cable and Connectors
Hubs, Repeaters and Switches
c. ENCODING
process of turning a data into a form that can be send over the network
d. SIGNALING
Analog Signals
Digital Signals
e. BANDWIDTH AND BANDWIDTH TERMINOLOGY
Bandwidth
capacity at which a medium can carry data
Bandwidth Terminology
Latency
amount of time, including delays, for data to travel from one given point to another
Throughput
the measure of transfer of bits across the media over a given period of time
Goodput
the measure of usable data transferred over a given period of time