Deck 13: Working With the Network File System

Question 1

The purpose of a network is to share resources.

Answer 1

True

Question 2

With NFS, you can mount shared file systems on remote machines.

Answer 2

True

Question 3

The software for configuring a host as an NFS server is installed in openSUSE by default.

Answer 3

False

Question 4

Disabling subtree checking slows down file transfers if the entire volume is exported.

Question 5

The NFS Server service starts every time the machine boots by default.

Question 6

____ is the Linux OS term for making files appear as though they are on a local machine instead of on a remote machine.

A) Map
B) Mount
C) Merge
D) Mirror

Question 7

What is the firewall port used by the NFS server?

A) 49
B) 249
C) 1049
D) 2049

Question 8

In the YaST NFS Server Configuration window, what is the default domain name entry?

A) localdomain
B) serverdomain
C) clientdomain
D) domain

Question 9

A ____ is used to mount a file system in another location and have it accessible from both locations.

A) runlevel link
B) bindmount target
C) forwarder
D) map

Question 10

When configuring the NFS server within YaST, the default root_squash option maps the root user to the ____ user.

A) nobody
B) local
C) default
D) super

Question 11

If you export a subdirectory but do not export the entire file system, the NFS server performs a ____ check.

A) reliability
B) directory
C) segment
D) subtree

Question 12

The NFS async option improves performance at the cost of ____.

A) accuracy
B) reliability
C) stability
D) security

Question 13

To open the NFS Client module in YaST, you issue the ____ command as the root user.

A) yast2 nfs-client
B) yast2 -client
C) yast2 nfs-c
D) yast2 client

Question 14

When configuring the NFS client remote directory setting within YaST, enter the ____ path to the exported directory configured on the NFS server.

A) local
B) remote
C) relative
D) absolute

Question 15

Directories in the ____ directory are typically used as mount points.

A) /etc/mnt
B) /mnt
C) /etc/fstab
D) /data/mount

Question 16

Which default NFS client option causes programs to run with program owner permissions instead of user permissions?

A) exec
B) nouser
C) suid
D) user

Question 17

You can open a port in the ____ to give remote computers access to NFS services.

A) switch
B) network adapter
C) firewall
D) router

Question 18

NFS relies on ____ to route requests between the NFS server and client.

A) SMTP
B) ODB
C) RPC
D) IGRP

Question 19

What RPC service is known as the mount daemon?

A) rpc.nfsd
B) rpc.mountd
C) portmapper
D) rpc.statd

Question 20

What RPC service is known as the nfs daemon?

A) rpc.nfsd
B) rpc.mountd
C) portmapper
D) rpc.statd

Question 21

What RPC service provides coordination between the client and the correct port number to communicate with the requested RPC service?

A) rpc.nfsd
B) rpc.mountd
C) portmapper
D) rpc.statd

Question 22

What command enables administrators to change runlevel links at boot time?

A) exportfs
B) rcrpcbind
C) rpcinfo
D) chkconfig

Question 23

To mount an exported directory, you must add an NFS entry in the ____ file.

A) /mnt
B) /etc/exports
C) /etc/fstab
D) /etc/init

Question 24

Which /etc/fstab option allows only the root user to mount the device?

A) exec
B) ro
C) user
D) nouser

Question 25

Which showmount command option is used to used to list only the mounted directories?

A) -a
B) -d
C) -h
D) -m

Question 26

What does the showmount -v command do?

A) Displays the current version number of the showmount utility.
B) Displays the output in a vertical orientation.
C) Displays the mount information in a vector format.
D) Displays the command output in verbose mode.

Question 27

A(n) ____________________ is a network system where files are stored and shared.

Question 28

The ____________________ is a distributed file system protocol for allowing remote access to shared resources across networks.

Question 29

A(n) ____________________ is a Linux network computer that exports directories to all networked hosts that have access to it.

Question 30

____________________ is the process the NFS server uses to check whether a requested file is in the exported subdirectory.

Question 31

A(n) ____________________ is typically an empty directory on a local file system that is used as a logical space to mount another file system.

Question 32

Match each statement with an item

-The command used to restart the portmapper service.

A) mount
B) showmount
C) rpcinfo
D) rcnfsserver
E) chkconfig nfsserver on
F) yast2 nfs-server
G) exportfs
H) rcnfs
I) rcrpcbind start

Question 33

Match each statement with an item

-The command used to start or restart the NFS server.

A) mount
B) showmount
C) rpcinfo
D) rcnfsserver
E) chkconfig nfsserver on
F) yast2 nfs-server
G) exportfs
H) rcnfs
I) rcrpcbind start

Question 34

Match each statement with an item

-The command used to attach a file system from an NFS server to the local file structure.

A) mount
B) showmount
C) rpcinfo
D) rcnfsserver
E) chkconfig nfsserver on
F) yast2 nfs-server
G) exportfs
H) rcnfs
I) rcrpcbind start

Question 35

Match each statement with an item

-The command used to start and stop the NFS Client service.

A) mount
B) showmount
C) rpcinfo
D) rcnfsserver
E) chkconfig nfsserver on
F) yast2 nfs-server
G) exportfs
H) rcnfs
I) rcrpcbind start

Question 36

Match each statement with an item

-The command used to store a list of exported file systems for NFS in a separate file, /var/lib/nfs/etab.

A) mount
B) showmount
C) rpcinfo
D) rcnfsserver
E) chkconfig nfsserver on
F) yast2 nfs-server
G) exportfs
H) rcnfs
I) rcrpcbind start

Question 37

Match each statement with an item

-The command used to make sure the NFS Server service is set to run in its default runlevels.

A) mount
B) showmount
C) rpcinfo
D) rcnfsserver
E) chkconfig nfsserver on
F) yast2 nfs-server
G) exportfs
H) rcnfs
I) rcrpcbind start

Question 38

Match each statement with an item

-An excellent troubleshooting tool, used to check the status of current RPC services.

A) mount
B) showmount
C) rpcinfo
D) rcnfsserver
E) chkconfig nfsserver on
F) yast2 nfs-server
G) exportfs
H) rcnfs
I) rcrpcbind start

Question 39

Match each statement with an item

-The command used to configure the NFS server.

A) mount
B) showmount
C) rpcinfo
D) rcnfsserver
E) chkconfig nfsserver on
F) yast2 nfs-server
G) exportfs
H) rcnfs
I) rcrpcbind start

Question 40

Match each statement with an item

-The command used to query the mount daemon on the remote NFS server for information on the server's state.

A) mount
B) showmount
C) rpcinfo
D) rcnfsserver
E) chkconfig nfsserver on
F) yast2 nfs-server
G) exportfs
H) rcnfs
I) rcrpcbind start

Question 41

When setting up a file server in openSUSE Linux, what is the advantage of having files centrally located?

Question 42

Describe the security advantages an openSUSE Linux file server provides.

Question 43

What is the advantage of using an openSUSE Linux file server for remote access clients?

Question 44

Describe the two tabs on the NFS Client Configuration window.

Question 45

Describe the Remote Procedure Calls (RPC) protocol.

Question 46

Given the following rpcinfo -p command sample output, describe the purpose of each column.

Question 47

What is the NFS server configuration file that lists directories to be made available to NFS clients? Provide an example of an entry in this file and explain what it does.

Question 48

How can a user obtain more information regarding the rcnfsserver command.

Question 49

Describe three fields of an NFS entry in the /etc/fstab file.

Question 50

Explain the purpose of the following mount command: mount server:/data /mnt.