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Sonet Devices
STS Mux or DMux either multiplexes signals from multiple sources into an STS or demultiplexes an STS into different destination signals.
Regenerator is a repeater that takes a received optical signal and regenerates it. This devices function at the data link layer.
Add/drop multiplexer is able to add signals from different sources into a given path or remove a desired signal from a path and redirect it without demultiplexing the entire signal.
NETWORK MANAGEMENT & SECURITY 1. Describe a basic communication model. 2. State the following terms: a. Configuration Management b. Fault Management c. Security Management
Shortest path The dijkstra algorithms four steps to discover what it called the shortest path tree . a.The algorithm beings to build the tree identifying its root.
Illustrate the term- Search Engine and Surfing Search Engine: Software used to find information on the Web. Examples are Google, Lycos and Yahoo. Server: A computer with
POWER SUPPLY SYSTEM IN SATELLITE SYSTEM Satellite Earth Station relies on the public power supply system. Two generators (1+1) of 250 KVA each in parallel connection having fa
10Base-FL: Fiber Link Ethernet Utilizes star topology to connect stations to a hub External transceiver entitle as a fiber-optic MAU connects processing device to fib
QUESTION 1. A system analyst has to install a particular type of topology in a textile industry. (a) Describe using diagrams the three most common topologies in terms of nod
Hub A hub is a small box that connects individual devices on network so that these devices can communicate with each other. Hub is an inexpensive device. It is comm
Design, develop and build network systems
Internet Backbone Internet backbone is the physical networks ( usually relying on fiber optic cable ) that carries internet traffic between different networks and i
The table below gives a summary of special IP addresses.
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