Network Appliance Network Appliance NACA Certification NS0-131
1. Which one of the following /etc/snapmirror.conf entries will not support synchronous SnapMirror?
A. FilerA:source_vol FilerB:destination_vol - sync
B. FilerA:source_vol FilerB:destination_vol outstanding=3s sync
C. FilerA:source_vol FilerB:destination_vol ?0-55/5 * * *
D. FilerA:source_vol FilerB:destination_vol visibility_interval=1hr, outstanding=3ms, cksum=crc32 sync
Answer: C
2. After a SnapRestore reversion of a volume, incremental backup and restore operations on the file or
volume cannot rely on the timestamps to determine what data needs to be backed up or restored. Which
one of the following is the most likely course of action to take to ensure correct incremental backups?
A. Perform a base-level backup of the volume after you restore it.
B. Reboot the storage appliance to reset timestamps back to their original times before the reversion.
C. Take a new snapshot of the volume to create new base-level timestamps for the incremental backup.
D. First perform choice c and then choice a.
Answer: A
3. Five minutes ago, you performed a single file SnapRestore on a large NFS file. 40% of your NFS users
are now complaining about getting tale file handles?for the file. Which one of the following is the most
likely cause of this problem, and the best procedure to correct it?
A. These users are on a different subnet from the others. Start troubleshooting by checking their subnet.
B. After a single file SnapRestore, NFS users have to reboot their systems. Have them reboot their
systems.
C. This might be due to an NFS storage appliance and client version mis-match. Check to see that these
users have the same version of the NFS client that existed at the time the snapshot was taken.
D. NFS users who try to access a reverted file without first reopening it might get a tale file handle error
message. Have the users try to reopen the file and see if the problem is resolved.
Answer: D
4. One of the results of the snapmirror resync command is that newer snapshots after the baseline will be
deleted at the destination, and older snapshots before the baseline will be deleted at the source.
A. True
B. False
Answer: A
5. SnapMirror will automatically try to restart a transfer after :___________.
A. An initial transfer is interrupted
B. A scheduled incremental update is interrupted
C. A manual update is interrupted
D. A transfer interrupted by reboot
Answer: B
6. Which option of the snap restore command allows you to specify a different directory, as long as the
directory already exists?
A. snap restore -r
B. snap restore -d
C. snap restore -s
D. snap restore -c
Answer: A
7. After you use SnapRestore to revert a volume to a specific snapshot ?
A. snapshots that are older than the snapshot you used to revert are deleted.
B. the storage appliance automatically performs a snapshot for that volume.
C. snapshots that are more recent than the snapshot you used to revert are deleted.
D. you must bring the volume back online.
Answer: C
8. You want to create an automated test environment that performs a single file SnapRestore. Every time
you run the procedure, however, SnapRestore prompts you to confirm your decision to revert the file.
How can you automate this step?
A. Enter the priv set advanced mode on the storage appliance and the prompt will not appear.
B. Enable the options snaprestore_noprompts enable=on option.
C. Use the option with the snap restore command.
D. These prompts are for data protection and auditing and cannot be overridden.
Answer: C
9. Which one of the following statements does not apply when initializing a SnapLock compliance volume
as a SnapMirror destination volume?
A. Use regular SnapMirror commands.
B. Destination volume must be non-SnapLock.
C. Use the option.
D. Data ONTAP will convert the destination volume to a SnapLock Compliance volume after the initial
transfer is complete.
Answer: A
10. You are unable to add secondary/primary system from the DFM GUI. Which three of the following
would you check?
A. See if NDMP is enabled.
B. See if NDMP access to DFM has been granted.
C. See if the password matches.
D. See if the secondary volume is out of space.
Answer: ABC
1. Which one of the following /etc/snapmirror.conf entries will not support synchronous SnapMirror?
A. FilerA:source_vol FilerB:destination_vol - sync
B. FilerA:source_vol FilerB:destination_vol outstanding=3s sync
C. FilerA:source_vol FilerB:destination_vol ?0-55/5 * * *
D. FilerA:source_vol FilerB:destination_vol visibility_interval=1hr, outstanding=3ms, cksum=crc32 sync
Answer: C
2. After a SnapRestore reversion of a volume, incremental backup and restore operations on the file or
volume cannot rely on the timestamps to determine what data needs to be backed up or restored. Which
one of the following is the most likely course of action to take to ensure correct incremental backups?
A. Perform a base-level backup of the volume after you restore it.
B. Reboot the storage appliance to reset timestamps back to their original times before the reversion.
C. Take a new snapshot of the volume to create new base-level timestamps for the incremental backup.
D. First perform choice c and then choice a.
Answer: A
3. Five minutes ago, you performed a single file SnapRestore on a large NFS file. 40% of your NFS users
are now complaining about getting tale file handles?for the file. Which one of the following is the most
likely cause of this problem, and the best procedure to correct it?
A. These users are on a different subnet from the others. Start troubleshooting by checking their subnet.
B. After a single file SnapRestore, NFS users have to reboot their systems. Have them reboot their
systems.
C. This might be due to an NFS storage appliance and client version mis-match. Check to see that these
users have the same version of the NFS client that existed at the time the snapshot was taken.
D. NFS users who try to access a reverted file without first reopening it might get a tale file handle error
message. Have the users try to reopen the file and see if the problem is resolved.
Answer: D
4. One of the results of the snapmirror resync command is that newer snapshots after the baseline will be
deleted at the destination, and older snapshots before the baseline will be deleted at the source.
A. True
B. False
Answer: A
5. SnapMirror will automatically try to restart a transfer after :___________.
A. An initial transfer is interrupted
B. A scheduled incremental update is interrupted
C. A manual update is interrupted
D. A transfer interrupted by reboot
Answer: B
6. Which option of the snap restore command allows you to specify a different directory, as long as the
directory already exists?
A. snap restore -r
B. snap restore -d
C. snap restore -s
D. snap restore -c
Answer: A
7. After you use SnapRestore to revert a volume to a specific snapshot ?
A. snapshots that are older than the snapshot you used to revert are deleted.
B. the storage appliance automatically performs a snapshot for that volume.
C. snapshots that are more recent than the snapshot you used to revert are deleted.
D. you must bring the volume back online.
Answer: C
8. You want to create an automated test environment that performs a single file SnapRestore. Every time
you run the procedure, however, SnapRestore prompts you to confirm your decision to revert the file.
How can you automate this step?
A. Enter the priv set advanced mode on the storage appliance and the prompt will not appear.
B. Enable the options snaprestore_noprompts enable=on option.
C. Use the option with the snap restore command.
D. These prompts are for data protection and auditing and cannot be overridden.
Answer: C
9. Which one of the following statements does not apply when initializing a SnapLock compliance volume
as a SnapMirror destination volume?
A. Use regular SnapMirror commands.
B. Destination volume must be non-SnapLock.
C. Use the option.
D. Data ONTAP will convert the destination volume to a SnapLock Compliance volume after the initial
transfer is complete.
Answer: A
10. You are unable to add secondary/primary system from the DFM GUI. Which three of the following
would you check?
A. See if NDMP is enabled.
B. See if NDMP access to DFM has been granted.
C. See if the password matches.
D. See if the secondary volume is out of space.
Answer: ABC