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NS0-121 Data ONTAP Advanced Exam

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NFS versions 2 and 3 support_______  file locking.
A. mandatory
B. advisory
C. opportunistic
D. exclusive
Answer: B
In the Windows environment, the storage appliance supports the use of local groups
in managing users and groups.
A. True
B. False
Answer: A
A qtree security style of UNIX will________.
A. Block CIFS access to the file system
B. Allow CIFS access to the file system
C. Block CIFS access unless the user is also a UNIX user
D. Not allow write operations to CIFS users
Answer: B
CIFS clients can resolve symbolic links created by NFS clients on the storage
appliance.
A. True
B. False
Answer: A
Which of the following symbolic links is NOT supported in Data ONTAP?
A. Mapped
B. Widelink
C. No boundary checking
D. Targeted
Answer: D
Which one of the following will enable "symlink_strict_security"?
A. options cifs.symlink_strict_security on
B. cifs shares -change <sharename> -symlink_strict_security
C. options symlink_strict_security=true
D. options symlink_strict_security=on
Answer: B
NTFS allows file access based on ____________.
A. NT ACLs and UNIX permissions
B. SID and password
C. NT ACLs and SID
D. UNIX permissions
Answer: C
Which one of the following is NOT part of the UNIX security style?
A. GID
B. Other
C. SID
D. UID
Answer: C
To set the default security style for all newly created volumes on the storage
appliance to have mixed security, one must execute the following command:
A. options qtree.default_security_style mixed
B. options volume.default_security_style mixed
C. options wafl.default_security_style mixed
D. options default_security_style mixed
Answer: C
A new storage appliance is added to your network. Console access seems fine, and
the storage appliance is not reporting any configuration issues.
However:
* Data access to the storage appliance is very slow (both CIFS and NFS clients).
* Users are not complaining about slow response to other storage appliances.
* Moving the storage appliance to a different port on the switch doesn't help.
* Moving the storage appliance to a different switch doesn't help.
* Duplex and link settings are correct.
What's the most likely cause of the problem?
A. Bad switch
B. Bad network cable
C. Configuration issue on client workstation
D. Configuration issue on the storage appliance
Answer: B
You set up a new qtree on a storage appliance. The CIFS permissions on the qtree
are everyone: full control. From your Windows workstation you migrate some files
into the qtree. Your Windows users can access the share, copy, edit, and delete files
without issue.
A root user on a Solaris workstation attempts to mount the qtree through an
existing mount and receives the "Access Denied" message. The super user can
mount other qtrees on the same volume. What's the most likely cause of this issue?
A. NFS is turned off on the storage appliance.
B. The qtree has not been exported.
C. The user does not have permission on the qtree.
D. The qtree is missing from the /etc/hosts file.
Answer: B
Which one of the following commands is most appropriate for troubleshooting a
multiprotocol authentication problem?
A. wcc
B. rdfile /etc/rc
C. priv set advanced
D. sysstat 1
Answer: A
What command is used to display the credentials the storage appliance has stored in
memory for a particular user account?
A. cifs
B. wcc
C. showcred
D. mem_disp
Answer: B
Which of the following items is NOT a resource for an NFS export?
A. volume
B. subnet
C. directory
D. qtree
Answer: B
NFS versions 2 and 3 support_______  file locking.A. mandatoryB. advisoryC. opportunisticD. exclusiveAnswer: BIn the Windows environment, the storage appliance supports the use of local groupsin managing users and groups.A. TrueB. FalseAnswer: AA qtree security style of UNIX will________.A. Block CIFS access to the file systemB. Allow CIFS access to the file systemC. Block CIFS access unless the user is also a UNIX userD. Not allow write operations to CIFS usersAnswer: BCIFS clients can resolve symbolic links created by NFS clients on the storageappliance.A. TrueB. FalseAnswer: AWhich of the following symbolic links is NOT supported in Data ONTAP?A. MappedB. WidelinkC. No boundary checkingD. TargetedAnswer: DWhich one of the following will enable "symlink_strict_security"?A. options cifs.symlink_strict_security onB. cifs shares -change <sharename> -symlink_strict_securityC. options symlink_strict_security=trueD. options symlink_strict_security=onAnswer: BNTFS allows file access based on ____________.A. NT ACLs and UNIX permissionsB. SID and passwordC. NT ACLs and SIDD. UNIX permissionsAnswer: CWhich one of the following is NOT part of the UNIX security style?A. GIDB. OtherC. SIDD. UIDAnswer: CTo set the default security style for all newly created volumes on the storageappliance to have mixed security, one must execute the following command:A. options qtree.default_security_style mixedB. options volume.default_security_style mixedC. options wafl.default_security_style mixedD. options default_security_style mixedAnswer: CA new storage appliance is added to your network. Console access seems fine, andthe storage appliance is not reporting any configuration issues.However:* Data access to the storage appliance is very slow (both CIFS and NFS clients).* Users are not complaining about slow response to other storage appliances.* Moving the storage appliance to a different port on the switch doesn't help.* Moving the storage appliance to a different switch doesn't help.* Duplex and link settings are correct.What's the most likely cause of the problem?A. Bad switchB. Bad network cableC. Configuration issue on client workstationD. Configuration issue on the storage applianceAnswer: BYou set up a new qtree on a storage appliance. The CIFS permissions on the qtreeare everyone: full control. From your Windows workstation you migrate some filesinto the qtree. Your Windows users can access the share, copy, edit, and delete fileswithout issue.A root user on a Solaris workstation attempts to mount the qtree through anexisting mount and receives the "Access Denied" message. The super user canmount other qtrees on the same volume. What's the most likely cause of this issue?A. NFS is turned off on the storage appliance.B. The qtree has not been exported.C. The user does not have permission on the qtree.D. The qtree is missing from the /etc/hosts file.Answer: BWhich one of the following commands is most appropriate for troubleshooting amultiprotocol authentication problem?A. wccB. rdfile /etc/rcC. priv set advancedD. sysstat 1Answer: AWhat command is used to display the credentials the storage appliance has stored inmemory for a particular user account?A. cifsB. wccC. showcredD. mem_dispAnswer: BWhich of the following items is NOT a resource for an NFS export?A. volumeB. subnetC. directoryD. qtreeAnswer: B
Which of the following statements would NOT apply to an entry in the /etc/exports
file regarding exporting directories, qtrees, and volumes?
A. The storage appliance must export each volume separately.
B. The storage appliance must resolve host names.
C. The storage appliance can export ancestors and their descendants.
D. The storage appliance can restrict access by specific hosts.
Answer: D
The exportfs command runs on boot and exports the volumes and directories
located in the /etc/exports file.
A. True
B. False
Answer: A
Which command exports all the export entries listed in the etc/exports file, but
ignores the options specified for those entries?
A. exportfs -a
B. exportfs -u
C. exportfs -v
D. exportfs -i
Answer: D
Hard, soft, and threshold quotas are specified on disk blocks only.
A. True
B. False
Answer: B
A quota target can be defined as________ .
A. The maximum amount of disk space in a volume
B. The maximum number of files in a disk
C. A user, group, or qtree to which a quota is applied
D. A specific disk space threshold
Answer: C
Which of the following commands allows you to display quota usage?
A. quota on
B. quota report
C. quota run
D. quota setup
Answer: B
What will happen if a soft quota is exceeded?
A. All write operations will fail.
B. An autosupport message will be sent.
C. An SNMP warning message will be generated.
D. A spare disk will be added to the volume.
Answer: C
Which two of the following are Data ONTAP commands for gathering performance
information?
A. siontap
B. sysstat
C. perfstat
D. nfsstat
Answer: BD
Which entry in this /etc/quotas file for a qtree on /vol/wmv will affect the target?
A. The last entry for the qtree
B. The first entry for the qtree
C. The entry related to the group
D. The entry related to the user
Answer: B
In sysstat output, under the column of "CP ty", which of the following values would
indicate that the CP was caused by a full NVLog?
A. L
B. B
C. U
D. F
Answer: D
The ______ option in the sysstat command displays a summary of the statistics. Your answer > Answer: -s To view per client statistics on the storage appliance, options nfs.per_client_stats.enable must be turned on. A. True B. False Answer: A In this example,............ percent of the RPC calls are write operations. Your answer > Answer: 87 Which of the following are methods for analyzing the performance output of an NFS client to the storage appliance? 1) Time the mkfile command for a write test 2) Time the dd command for a read test 3) Time the cp command for a read and write test 4) Verify your results with the nfs -c command A. 1 and 4 B. 2 and 4 C. 3 and 4 D. All four methods Answer: D If you are receiving RPC timeouts, the following troubleshooting steps would be appropriate: 1) Verify that the RPC is enabled. 2) Verify that the NFS daemons are running. 3) Verify that the correct mount points have been created. A. True B. False Answer: A When viewing sysstat output, which one of the following fields is NOT part of the total number of operations per second? A. CIFS B. FTP C. NFS D. HTTP Answer: B Which of the following is NOT an appropriate step to take when troubleshooting a "stale nfs file handle" response to a mount request? A. Check the client's fstab. B. Check for connectivity to the storage appliance from the client. C. Check show mount -e to the storage appliance from the client. D. Check the /etc/exports file on the storage appliance. E. Check the /etc/sd.conf file on the client. Answer: E Which two of the following might cause a user to receive a message that there is no space left on a disk? A. There is not enough space available on the disk. B. The user has exceeded his or her quota. C. Snap reserve is set to 10%. D. The disk is write protected. Answer: AB Which one of the following commands is used to analyze traffic bottlenecks on the network? A. netstat B. ifstat C. netdiag D. traceroute Answer: D The quota resize command only affects existing /etc/quotas file target entries, not new target entries. A. True B. False Answer: A Which one of the following storage appliance commands best performs network diagnostics? A. netstat B. diag C. netdiag D. sysstat Answer: C Which one of the following commands best displays the statistics for the network interface? A. netstat B. ifconfig C. sysstat D. ifstat Answer: D The ______ option in the sysstat command displays a summary of the statistics.Your answer >Answer: -sTo view per client statistics on the storage appliance, optionsnfs.per_client_stats.enable must be turned on.A. TrueB. FalseAnswer: AIn this example,............ percent of the RPC calls are write operations.Your answer >Answer: 87Which of the following are methods for analyzing the performance output of anNFS client to the storage appliance?1) Time the mkfile command for a write test2) Time the dd command for a read test3) Time the cp command for a read and write test4) Verify your results with the nfs -c commandA. 1 and 4B. 2 and 4C. 3 and 4D. All four methodsAnswer: DIf you are receiving RPC timeouts, the following troubleshooting steps would beappropriate:1) Verify that the RPC is enabled.2) Verify that the NFS daemons are running.3) Verify that the correct mount points have been created.A. TrueB. FalseAnswer: AWhen viewing sysstat output, which one of the following fields is NOT part of thetotal number of operations per second?A. CIFSB. FTPC. NFSD. HTTPAnswer: BWhich of the following is NOT an appropriate step to take when troubleshooting a"stale nfs file handle" response to a mount request?A. Check the client's fstab.B. Check for connectivity to the storage appliance from the client.C. Check show mount -e to the storage appliance from the client.D. Check the /etc/exports file on the storage appliance.E. Check the /etc/sd.conf file on the client.Answer: EWhich two of the following might cause a user to receive a message that there is nospace left on a disk?A. There is not enough space available on the disk.B. The user has exceeded his or her quota.C. Snap reserve is set to 10%.D. The disk is write protected.Answer: ABWhich one of the following commands is used to analyze traffic bottlenecks on thenetwork?A. netstatB. ifstatC. netdiagD. tracerouteAnswer: DThe quota resize command only affects existing /etc/quotas file target entries, notnew target entries.A. TrueB. FalseAnswer: AWhich one of the following storage appliance commands best performs networkdiagnostics?A. netstatB. diagC. netdiagD. sysstatAnswer: CWhich one of the following commands best displays the statistics for the networkinterface?A. netstatB. ifconfigC. sysstatD. ifstatAnswer: D Which one of the following commands would you use to set up the network interface? A. ifstat B. ping C. ifconfig D. traceroute Answer: C If an application has acquired an exclusive lock on a file via NFS version 3, you would be unable to remove that file from another NFS client using the rm command. A. True B. False Answer: B The nfsstat command displays statistics and remote procedure calls for the filer. When bad calls are greater than zero, which of the following describes the best action to take? A. Adjust rsize of the mount option on the server B. Adjust rsize of the mount option on the client C. Adjust wrize on the server D. None of the above Answer: B Given the content of the /etc/quotas file, fill in the blanks by selecting the appropriate answer for the following statement: "Any user not otherwise mentioned in this file can use of disk space and files in the /vol/wmv volume." A. 50MB of disk space and 15K files B. 750MB of disk space and 85K files C. 100MB of disk space and 75K files D. 75MB of disk space and 75K files Answer: A Given the content of the /etc/quotas file, fill in the blanks by selecting the appropriate answer for the following statement: "Any qtree in the /vol/wmv volume not otherwise mentioned in this file can use of disk space and  files." A. 50MB of disk space and 15K files B. 750MB of disk space and 85K files C. 100MB of disk space and 75K files D. 75MB of disk space and 75K files Answer: C Given the content of the /etc/quotas file, fill in the blank by selecting the appropriate answer for the following statement: "The following user name(s) is given an explicit quota of 100 MB of disk space and 75K files in the /vol/wmv/proj1 qtree. This user is also restricted to the default limit of 50 MB of disk space and 15K files." A. wesson B. All users C. lmoe D. None of the above Answer: C Which one of the following commands would you use to set up the networkinterface?A. ifstatB. pingC. ifconfigD. tracerouteAnswer: CIf an application has acquired an exclusive lock on a file via NFS version 3, youwould be unable to remove that file from another NFS client using the rmcommand.A. TrueB. FalseAnswer: BThe nfsstat command displays statistics and remote procedure calls for the filer.When bad calls are greater than zero, which of the following describes the bestaction to take?A. Adjust rsize of the mount option on the serverB. Adjust rsize of the mount option on the clientC. Adjust wrize on the serverD. None of the aboveAnswer: BGiven the content of the /etc/quotas file, fill in the blanks by selecting theappropriate answer for the following statement:"Any user not otherwise mentioned in this file can use of disk space and files in the/vol/wmv volume."A. 50MB of disk space and 15K filesB. 750MB of disk space and 85K filesC. 100MB of disk space and 75K filesD. 75MB of disk space and 75K filesAnswer: AGiven the content of the /etc/quotas file, fill in the blanks by selecting theappropriate answer for the following statement:"Any qtree in the /vol/wmv volume not otherwise mentioned in this file can useof disk space and  files."A. 50MB of disk space and 15K filesB. 750MB of disk space and 85K filesC. 100MB of disk space and 75K filesD. 75MB of disk space and 75K filesAnswer: CGiven the content of the /etc/quotas file, fill in the blank by selecting the appropriateanswer for the following statement:"The following user name(s) is given an explicit quota of 100 MB of disk space and75K files in the /vol/wmv/proj1 qtree. This user is also restricted to the default limitof 50 MB of disk space and 15K files."A. wessonB. All usersC. lmoeD. None of the aboveAnswer: C Which of the following statements would NOT apply to an entry in the /etc/exportsfile regarding exporting directories, qtrees, and volumes?A. The storage appliance must export each volume separately.B. The storage appliance must resolve host names.C. The storage appliance can export ancestors and their descendants.D. The storage appliance can restrict access by specific hosts.Answer: DThe exportfs command runs on boot and exports the volumes and directorieslocated in the /etc/exports file.A. TrueB. FalseAnswer: AWhich command exports all the export entries listed in the etc/exports file, butignores the options specified for those entries?A. exportfs -aB. exportfs -uC. exportfs -vD. exportfs -iAnswer: DHard, soft, and threshold quotas are specified on disk blocks only.A. TrueB. FalseAnswer: BA quota target can be defined as________ .A. The maximum amount of disk space in a volumeB. The maximum number of files in a diskC. A user, group, or qtree to which a quota is appliedD. A specific disk space thresholdAnswer: CWhich of the following commands allows you to display quota usage?A. quota onB. quota reportC. quota runD. quota setupAnswer: BWhat will happen if a soft quota is exceeded?A. All write operations will fail.B. An autosupport message will be sent.C. An SNMP warning message will be generated.D. A spare disk will be added to the volume.Answer: CWhich two of the following are Data ONTAP commands for gathering performanceinformation?A. siontapB. sysstatC. perfstatD. nfsstatAnswer: BDWhich entry in this /etc/quotas file for a qtree on /vol/wmv will affect the target?A. The last entry for the qtreeB. The first entry for the qtreeC. The entry related to the groupD. The entry related to the userAnswer: BIn sysstat output, under the column of "CP ty", which of the following values wouldindicate that the CP was caused by a full NVLog?A. LB. BC. UD. FAnswer: D

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