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802.11 DSSS
a) Direct sequence spread spectrum in a 2.4 GHz band
b) Each bit is replaced by a sequence of bits called a chip code, implemented at the physical layer
c) Sender splits each byte of data into several parts and sends them concurrently on different frequencies
d) Data rate is 1 or 2 Mbps
Q. What is Two Types of Errors? Single-Bit Errors: Merely one bit in the data unit has changed Burst Errors of length 'n': 2 or more bits in the data unit have changed (
Define in details about computer networks ? Discuss a variety of types of networks topologies in computer network. Also discuss a variety of costs and disadvantage of all topology
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Can you describe IP protocol?
What utility can you use to see the path a packet takes through an internetwork? Ans) Trace - Uses Time-To-Live (TTL) values to make messages from each router used along the pat
State the reason for Intranet system breaks down Care must be taken to ensure that proper spare parts are available even after about five years of commissioning. In addition t
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Question 1 Write short notes on Reserved IP addresses and Special use IP addresses 2 Explain about the packet switching mechanism based on Virtual Circuit 3 Explain about
Network Problems Q1 Consider the single-sender CDMA example in Kurose & Ross. What would be the sender's output (for the 2 data bits shown), if the sender's CDMA code were (
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