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What is Ring Topology?
The physical ring topology is a circular loop of point-to-point links. Every device connects directly to the ring or indirectly by and interface device or drop cable. Message travel around the ring from node to node in a very organized manner. Every workstation checks the message for a matching destination address. If the address doesn't match the node easily regenerates the message and sends it on its way. If the address matches, the node accepts the message and sends a reply to the originating sender.
A modified NRZ code known as enhanced-NRZ (E-NRZ) operates on 7-bit words; inverting bits 2,3,6 and 7; and adding one parity bit to each word. The parity bit is chosen to make the
What are local variables? Local varaiables are those which are declared within a block of code like methods. Local variables should be initialised before accessing them.
Suppose there are exactly five packet switches (Figure 4) between a sending host and a receiving host connected by a virtual circuit line (shown as dotted line in figure 4). The tr
Q. Summary of osi model? - There was no standard for networks in the early period and as a result it was difficult for networks to communicate with each other. - The ISO (In
NETWORK INTERFACE HARDWARE: CPU can't operate data at network speeds. So in order to connect to the network device systems use special purpose hardware for network connection
How optimal MTU size is measured
How do we diactivate auto-summarization in RIP?
State about the communications network 1) The communications network may only accept blocks of data up to a specific size. (2) Error control might be more effective with a
How LANs connected to Internet. Doubling every 18 months means factor of four gains in 3 years. In 9 years, gain is then 43 or 64, which leads to 6.4 billion hosts. My intuitio
If the amount of the application runs on the Client side, then it is Fat clients. It is mostly used for decision support and personal software. If the amount of the application
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