Question: 1. What are distributed file systems? What are the challenges associated with them compared to traditional file systems? 2. Suppose in a Distributed File System

1. What are distributed file systems? What are the challenges associated with them compared to traditional file systems?

2. Suppose in a Distributed File System using Andrew File System, there exist two clients accessing the contents of a shared file. When are the changes from one client reflected in the other? What happens if there are is a simultaneous update to the file?

3. What are the two types of mounting protocols in NFS? When is one better than the other?

4. What are the two different transfer models in distributed file systems? Which is used in (i) NFS and (ii) Andrew File System?

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