[Free] Download New Updated (December) Network Appliance NS0-155 Exam Questions 91-100

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QUESTION 91

Which OSSV tool would you use to perform an OSSV unattended installation?

 

A.

msipackage

B.

svunattendossv

C.

svconfigpackager

D.

unattendpackager

 

Correct Answer: C

Explanation:

The reference for thisquestionis an old version of a TR. It is likely that thisquestionwill be removed from theNSO-155 exam.

The svconfigpackager is a binary in the OSSV client which can be used to create an unattended installationpackage using an answer file.

 

 

QUESTION 92

The largest volume that can be created on a 64-bit aggregate is ___.

 

A.

10 TB

B.

16 TB

C.

64 TB

D.

Equal to size of the aggregate

 

Correct Answer: D

Explanation:

http://www.netapp.com/us/system/pdf-reader.aspx?m=tr-3786.pdf&cc=us

 

Trick question…. Depends on the array and the maximum shelves and disks and aggregate size, which canchange over time. But a volume can never be greater than the aggregate – save for a new feature in 8.2 calledInfinite Volume that is not covered by this exam.

 

 

QUESTION 93

Which iSCSI security method encrypts data between the initiator and the target?

 

A.

IPSec

B.

CHAP

C.

LUN masking

D.

Header and Data Digests

 

Correct Answer: A

Explanation:

IPSec is an encryption transport that can be used to secure any IP traffic including iSCSI.

 

 

QUESTION 94

A NearStore license increases the amount of concurrent replication streams.

 

A.

True

B.

False

 

Correct Answer: A

 

 

QUESTION 95

Which three statements are true about SnapLock volumes? (Choose three.)

 

A.

SnapMirror supports SnapLock volumes.

B.

There are two types of SnapLock volumes.

C.

SnapLock volumes support per-file retention periods.

D.

In Data ONTAP 7.2.5.1 and later, SnapLock Compliance volumes are not supported on the V-Series controller with NetApp Storage.

Correct Answer: ABC

Explanation:

https://library.netapp.com/ecmdocs/ECMP1196889/html/GUID-8ACE3CAB-D338-4AFC-A530-0D0FEC3B9F94.html

The snaplock command manages compliance related functionality on the system. A volume created using thevol command (see na_vol(1)) is a snaplock volume when either the enterprise or compliance option is chosen.

Enterprise and compliance SnapLock volumes allow different levels of security assurance.

https://library.netapp.com/ecmdocs/ECMP1196889/html/GUID-D4533C47-441D-41AB- A8A2-272A2BFC431C.html

SnapLock operates fundamentally at the file level.

 

 

QUESTION 96

Which two statements are true of the cf forcetakeover -d command? (Choose two.)

 

A.

Mirrored volumes are implicitly split.

B.

Partner mailboxes must be available.

C.

The failed cluster node is powered off automatically.

D.

The surviving cluster node takes over the functions of the failed partner.

 

Correct Answer: AD

Explanation:

https://communities.netapp.com/servlet/JiveServlet/previewBody/4803-102-1-6405/tr-3548.pdf

 

It is important to remember that this is the case only when a complete site is lost. In the case of a failedcontroller at one of the sites, a normal cluster failover occurs. Due to the operation of SyncMirror, there is alsoadded protection from multidrive or complete shelf failures. When a storage contr
oller fails in an active-activeconfiguration, the partner detects the failure and automatically (if enabled) performs a takeover of the dataservingresponsibilities from the failed controller. Part of this process relies on the surviving controller beingable to read information from the disks on the failed controller. If this quorum of disks is not available, thenautomatic takeover won’t be performed. In a MetroCluster configuration, manually executing a single commandwill allow a takeover to occur in spite of the lack of a quorum of disks. This “forced takeover” process breaksthe mirrored relationships in order to bring the failed controller’s volumes on line.

 

forcetakeover -d is very dangerous. Not only can it cause data corruption, if not used carefully, it can alsolead to a situation where both the node and its partner are operational (split brain). As such, it should only beused as a means of last resort when the takeover and forcetakeover commands are unsuccessful inachieving a takeover. The operator must ensure that the partner node does not become operational at any timewhile a node is in a takeover mode initiated by the use of this command. In conjunction with RAID mirroring, itcan allow recovery from a disaster when the two nodes in the HA pair are located at two distant sites.

 

 

QUESTION 97

For OSSV sources, the qtree is the basic unit of SnapVault backups.

 

A.

True

B.

False

 

Correct Answer: B

Explanation:

https://library.netapp.com/ecmdocs/ECMP1196991/html/GUID-06C70D3B-9A06-4D20-B140-EB147B941BDA.html

The data structures that are backed up and restored through SnapVault depend on the primar
y system.

On systems running Data ONTAP, the qtree is the basic unit of SnapVault backup and restore.

SnapVault backs up specified qtrees on the primary system to associated qtrees on the SnapVaultsecondary system. If necessary, data is restored from the secondary qtrees back to their associated primaryqtrees.

On open systems storage platforms, the directory is the basic unit of SnapVault backup. SnapVaultbacks up specified directories from the native system to specified qtrees in the SnapVault secondary system.

If necessary SnapVault can restore an entire directory or a specified file to the open systems platform.

The destination system uses a slightly more disk space and directories than the source system.

 

 

QUESTION 98

Which command or procedure would you use to undo a volume SnapRestore operation?

 

A.

snap restore -r vol

B.

snap revert -s vol

C.

snap restore undo vol

D.

You cannot undo a SnapRestore operation at the volume level.

 

Correct Answer: D

Explanation:

SnapRestore overwrites all data in the file or volume. After you use SnapRestore to revert to a selected

Snapshot copy, you cannot undo the reversion.

 

http://hd.kvsconsulting.us/netappdoc/733docs/html/ontap/onlinebk/GUID-80FEDAF8-75FA-4E43-B683-58C1F66B61E2.html

 

 

QUESTION 99

The OSSV agent on the primary system listens to TCP port 10000 for all SnapVault communications.

 

A.

True

B.

False

 

Correct Answer: A

Explanation:

https://communities.netapp.com/servlet/JiveServlet/previewBody/4791-102-2-13466/tr-3466.pdf

 

Pg 17

OSSV hosts listen for communications from NDMP manager applications on port 10000 by default.

 

 

QUESTION 100

In a volume SnapMirror relationship, the source and destination volumes must be the same size.

 

A.

True

B.

False

 

Correct Answer: B

Explanation:

In an active volume SnapMirror relationship, the size of the source and destination file systems is identical.

However, the size of the destination volume can be larger than or equal to the size of the source volume. Thesize of the file systems must be identical to allow the source to be restored from the destination.

 

https://library.netapp.com/ecmdocs/ECMP1196991/html/GUID-DE5EE692-81CF-4569-A703-00B4E283CE99.html

 

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