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FIBER MODEMS:
LAN methods are discovered to perform within the same building. However most institutions have offices located far apart from one other.
DISTANCE LIMITATION AND LAN DESIGN:
The highest cable length of a LAN is fixed because the electrical signal level becomes weaker as it travels. The delays have be short to allow access functions (CSMA/CD, token passing) work properly.
However in most cases a LAN requires to be extended layer distances than the max. Cable length size.
When a switch is said to be congested? It is possible that a switch receives packets faster than the shared link can accommodate and keeps in its memory, for an extended period
Encoding Process c= uG u: binary data sequence of length 4( input) G: Generator matrix which is 7*4 c: Codeword D
Most real-life applications are built on top of the UDP and TCP transport protocols. UDP, which stands for User Datagram Protocol, provides the capability of delivering individual
What is a File server? File servers are helpful for sharing files across a network. With a file server, the client passes requests for file records over system to file server.
SONET SDH To satisfy the requirements of ever increasing data rate for diverse applications, ANS developed a standard known as synchronous optical network by utili
LEASED SATELLITE CHANNEL: It may span arbitrarily big distance. It is given in the figure below. Figure Satellite connections are low bandwidth to protect cost
The distance over which data moves within a computer may differ from a few thousandths of an inch, as is the case within a one IC chip, to as much as lot of feet along the backplan
- The ISO (International Organisation for Standardisation) is an International standards organisation responsible for a wide range of standards including many that are relevant to
Can you describe the concept of NAT
What are short, long and medium-term scheduling? Long term scheduler verifies which programs are admitted to the system for processing. It controls the degree of multiprogrammi
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