Networks & Telecommunications Flashcards
is the transmission, emission, or reception of signs, signals, writing, images, sounds, or information of any nature by wire, radio, optical,
or other electromagnetic systems.
Telecommunication
– uses electricity, light (visible and infrared), or radio waves to transmit signals that carry voice and data transmissions.
Telecommunications systems may be analog or digital.
Telecommunication System
a collection of communication equipment and devices that are interconnected so they can communicate in order to share data, hardware, and software or perform
an electronic function.
Telecommunications Network
a group of nodes that are interconnected by
telecommunication links that are used to exchange messages between the nodes. The
links may use a variety of technologies based on the methodologies of circuit switching,
message switching, or packet switching, to pass messages and signals.
Telecommunications Network
It describes the configuration of a network, including its nodes, connecting cables
and equipment.
It describes the manner in which the cable is run to individual workstations of the
network.
Network Topology
Components of Telecommunication System
Signals
Communication Channels
Communication Networks
Star Network
Bus Network
Ring Network
designed for small areas like an office, group
of buildings, or a factory.
LAN
It is the most widely employed technology for developing a Metropolitan Area Network (MAN). In its network, it uses optical fiber. It’s known as the Metropolitan Area Network (MAN), as it can facilitate the transmission of data to thousands of users. FDDI is used as a data transfer standard which can be extended to about 200 kilometers.
Fiber distribution data interface (FDDI) –
– It is a technology for digital transfer.
In the ATM database, identical packets are isolated that is transferred over
time.
Asynchronous transfer mode (ATM)
This refers to technology for data transfer which transfers through connectionless service. Information is transferred to a connectionless service by storing information onto the header
that can be transmitted separately from any network to its destination
Switch Multi-Megabit Data Service
can be private or it can be public leased.
It’s used for the network that covers large distances like cover states of a country.
Networks that cover a large city or metropolitan area also can be included in this
category
wide area network
multiple component LANs are connected via a shared networking infrastructure. A WAN switching exchange at the center governs how
network resources are distributed across locations, in conjunction with the network
appliances at each location.
Switched WAN
two LANs or end nodes are connected through
a dedicated and secure leased line.
Point-to-point WAN
