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Q. What is Bipolar Encoding?
- Uses three voltage levels negative, positive and zero
- Zero level represents binary 0; 1s are represented with alternating positive and negative voltages even when not consecutive
- Alternate mark inversion (AMI)
List the Advantages of microwaves. a. They need no right of way acquisition among towers. b. They can carry high quantities of information because of their high operating f
Fast Ethernet Operates at 100 Mbps faster speeds required for image processing, CAD, real-time audio and video No change in frame addressing, format or access method
Explain Asynchronous FDDI Asynchronous bandwidth is allocated utilizing an eight-level priority scheme. Every station is assigned an asynchronous priority level. FDDI as wel
Synchronous Synchronous traffic is able to consume a portion of the 100 Mbps total bandwidth of an FDDI network while asynchronous traffic can consume the rest. Synchronous
wan notes
Q. Describe about Cryptography? - Some media cannot be protected from unauthorized reception (or interception) - Encryption involves transforming the original information in
Uses of fragmentation and reassembly The More bit is used for fragmentation and reassembly. If this bit is 0, then either there has been no fragmentation of this packet or this
Frequency Division Multiplexing Frequency division multiplexing (FDM) is an analogy technique that can be applied when the bandwidth of a link is greater than the combined b
Error Correcting Code - Hamming Code: Hamming code is the one of the error-correcting code named after its inventor. Because of the simplicity of the hamming code, it can dete
c program to implement the ospf
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