Answer:
download it
Explanation:
because if u upload it will not save .
Answer: Sniffing through a hub
Explanation:
When we sniff through a hub we are able to listen to all the data transmitted through to and fro from all the computers in the network. So it is better to perform passive sniffing which includes Sniffing through a hub.
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Answer:
V44 uses Lempel-Ziv-Welch encoding to compress data.
Explanation:
Lempel–Ziv (LZW) created by Abraham Lempel and Jacob Ziv is a universal lossless data compression algorithm. It is an improvement of LZW algorithm.
It makes use of LZ78 algorithms. This algorithm achieve its compression by taking out repeated occurrences of data with references to a dictionary that is built based on the data stream it received as input.
Also, its dictionary pre-initialized with all available possible characters and symbols.