File-sharing utilities and client-to-client communication applications can provide the capability to share files with other users (for instance, peer-to-peer networking or sharing). What risks and/or vulnerabilities are introduced with these applications?

In deadlock avoidance using banker’s algorithm, what would be the consequence(s) of: (i) a process declaring its maximum need as maximum possible for each resource. in other words, if a resource a has 5 instances, then each process declares its maximum need as 5. (ii) a process declaring its minimum needs as maximum needs. for example, a process may need 2-5 instances of resource a. but it declares its maximum need as 2.