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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)
Cell splitting In practice, the distribution of traffic and topographic features is not uniform, and this shows opportunities of capacity enhance. Cells in areas of high usage
What is subnet mask? A subnet mask is combined with an IP address in order to recognize two parts: the extended network address and the host address. Such as an IP address, a s
Random forests : An ensemble of the classification or the regression trees (see the classification and regression tree methods) that have been fitted to the same n observations, bu
Question: (a) Explain and illustrate different architectures for IEEE802.11 (WiFi). (b) The MAC management of IEEE802.11 handles transmitter activity for power management.
can we correct errors using crc?
Switch In a physical ring configuration any disabled or else disconnected node can disable the entire network Use of a switch can permit the ring to bypass an inactive
LRC - Performance Detects every burst errors up to length n (number of columns) If two bits in one data unit are damaged as well as two bits in exactly same positions
What is D-AMPS D-AMPS uses 832 channels (in every direction) with three users sharing a sole channel. This allows D-AMPS to support up to the 2496 users simultaneously per cel
Advantages of VPNs Advantages discussed in the following section include those related to security. Consolidation transparency cost. And administration. a. Improved secur
When to use Static routes and dynamic routes?
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