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Explain the process used to preserve the verifiable integrity of digital evidence. How does this ensure that data is preserved unmodified? How can an analyst show that the original evidence is modified?

2. What is a firewall? Identify and explain some of the functions of a firewall. What are its limitations?

minimum 250 words per question and 2 references 

need in 6-8 hours est time 4/20/2022