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Network File Services with NFS - Quiz

Each question is worth one point. Select the best answer or answers for each question.
 

1. Why is the portmap facility required for NFS servers and clients?
Please select the best answer.
  A. Because portmap actually mounts the NFS filesystems
  B. Because portmap forwards incoming network connections to the appropriate RPC facility
  C. Because portmap maintains status information on all the NFS filesystems
  D. Because portmap maps NFS clients to their associated read/write access privileges

2. Which of the following measures is most likely to increase your NFS security without harming functionality?
Please select the best answer.
  A. Using NFS's host access to restrict clients
  B. Turning off the portmapper
  C. Using tcpd's host access to restrict clients
  D. Turning off NFS

3. Why should you routinely inspect your /etc/exports file?
Please select the best answer.
  A. Because when a client mounts a NFS filesystem, it's stored in this file
  B. Because this file describes who gets your files and what access they have
  C. Because NFS often requires you to add new hosts to this file
  D. Because the portmapper uses this file to log RPC requests

Correct answers:

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