How things could be solved...

Exercise 9

Assignment 9.1

Using showmount -e I'll find out, what directory does the server export (it is the directory /srv/nfs). Then it should be enough to just mount -t nfs -o vers=3 /mnt and that's all.

Exercise 9.2

Priklad 9.3

And here it should be enough to modify file so it would look like: