The Platform For Communications Flashcards
The Elements of Communication
- Message source, or sender
- Destination, or receiver of the message
- Channel
Message source, or sender
Message sources are people, or electronic devices, that need to send a message to other individuals or devices
Destination, or receiver of the message
The destination receives the message and interprets it
Channel
A channel consists kf the media that provides the pathway over which the message can travel from source to destination
Illustration of how the Elements of Communication operate
Message Source > Encoder > Transmitter > Transmission Medium (The Channel) > Receiver > Decoder > Message Destination
Segmentation
A process in which all messages are broken into smaller pieces that can be easily transported together across a medium.
Benefits:
- Multiplexing
- Increased efficiency of network communications
Multiplexing
Occurs when the segmentation of two or more messages can shuffle into each other and share the medium
Network Components
- Devices
- Media (plural of medium)
They are the physical elements or hardware of the network
Examples of End Devices
- Desktop Computer
- Laptop
- Printer
- IP Phone
- Wireless Tablet
- Telepresence Endpoint
Examples of Intermediary Devices
- Wireless Router
- LAN Switch
- Router
- Multilayer Switch
-Firewall Appliance
Examples of Network Media
- Wireless Media
- LAN Media
- WAN Media
Software
Services and processes which are communication programs that run on the networked devices
Network Service
Provides information in response to a request
Processes
Provide the functionality that directs and moves the messages through the network
Examples of Software: Network Apllications
- Web Server (http)
- File Transfer (FTP)
- Internet Relay Chat (IRC)
- Domain Name Translation (DNS)
- Email (SMTP)
