2 questions- 200 words each

1) Explain how cookies can show that a user has visited a site if that user's history has been deleted. Be  specific, do not merely explain how cookies work. Report on how cookies can be used in a forensic investigation. use your 200 or more words[Excluding reference links]. Make sure there are references at the end of answer

2) Review the material on routers. Since information extracted from router or switch interfaces to not provide specific evidence of a particular crime in most cases, what use is the information collected from these devices.? Write and post your answer.use your 200 or more words [Excluding reference links]. Make sure there are references at the end of answer