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2021 Jan ns0-157 testking:
Q151. - (Topic 2)
Which statement is true about a SnapMirror destination vserver?
A. It must have a read-only Vserver root volume.
B. It must be in the same cluster as the source Vserver
C. It must be created with the same language type as the source Vserver.
D. It must have a different storage efficiency policy than the source Vserver.
Answer: C
Explanation:
Training material: Clustered_Data_ONTAP_82_Data_Protection_Guide How volume SnapMirror works with deduplication You can use volume SnapMirror to replicate a deduplicated volume regardless of size of the volume and logical data in the volume. When using volume SnapMirror with deduplication, you must consider the following information: You can enable deduplication on the source system, the destination system, or both systems.
The shared blocks are transferred only once. Therefore, deduplication also reduces the use of network bandwidth. When the volume SnapMirror relationship is broken, the default deduplication schedule is applied at the destination storage system. When configuring volume SnapMirror and deduplication, you should coordinate the deduplication scheduleand the volume SnapMirror schedule. You should start volume SnapMirror transfers of a deduplicated volume after the deduplication operation is complete. This schedule prevents the sending of undeduplicated data and additional temporary metadata files over the network. If the temporary metadata files in the source volume are locked in Snapshot copies, these files consume extra space in the source and destination volumes.
Q152. - (Topic 3)
Which two Netapp tools perform pre-checks to determine whether a NAS environment meets the requirements for transitionin from 7-mode to clustered Data ONTAP? (Choose Two)
A. 7-mode Transition Tool
B. Clustered ONTAP transition Tool
C. Migration Checklist
D. Transition Advisor
E. Transition Deck
Answer: A,D
Explanation: Explanation/Reference: https://communities.netapp.com/servlet/JiveServlet/previewBody/33911-102-3-56904/1405tot_article_feature_pdf.pdf (page 2)
Q153. - (Topic 3)
What is the maximum number of node a SAN cluster in Data ONTAP 8.2 can have?
A. 1
B. 2
C. 6
D. 8
E. 16
F. 24 G. 32
Answer: D
Explanation:
https://communities.netapp.com/docs/DOC-27777
Q154. - (Topic 1)
You change the volume junction-path of vol1 from /vol/vol1 to /vol1. NFS clients are unable to connect to the new path/vol1.
Which mirrors need to be updated to solve this problem?
A. TDP mirrors of the SVM root volume.
B. XDP mirrors of the SVM root volume
C. DP mirrors of the SVM root volume
D. LS mirrors of the SVM root volume
Answer: D
Q155. - (Topic 3)
How many cluster switch (es) are required for a NetApp cluster?
A. 1
B. 2
C. 4
D. 6
Answer: B
Most up-to-date ns0-157 vce:
Q156. - (Topic 1)
You create an SVM named svm7. Its DNS name is ntap7. In svm7, you create a volume named vol1 with a junction path of /users.
An NFS client would mount the root of vol1 using which path?
A. svm7:/users
B. ntap7:/users
C. ntap7:/vol1
D. svm7:/vol1
Answer: B
Q157. - (Topic 1)
When assigning shelf IDs to SAS-connected shelves, which statement is true?
A. They only need to be unique within an HA pair.
B. They only need to be unique within a stack.
C. They only need to be unique within a node.
D. They need to be unique within a cluster.
Answer: A
Explanation: IDs must be unique within an.HA pair. Reference: https://library.netapp.com/ecmdocs/ECMP1256807/html/GUID-FF56A1A7-F2ED-4F3D-BC2A-366609422B4D.html
Q158. - (Topic 1)
Which hidden directory points to a Snapshot copy from an SMB client?
A. /snapshot
B. .snapshot
C. snapshot
D. %snapshot
Answer: C
Explanation: hidden.~snapshot.directory is accessible.Reference: https://library.netapp.com/ecmdocs/ECMP1196891/html/GUID-6D832809-1E60-4041-BF08-D390CB6B3D89.html
The method that you use to access the ~snapshot directory from Windows clients using SMB
https://library.netapp.com/ecmdocs/ECMP1196891/html/GUID-6D832809-1E60-4041-BF08-D390CB6B3D89.html
Q159. - (Topic 3)
With clustered Data ONTAP 8.2, what two non-disruptive upgrade techniques are supported on cluster of 8 nodes or more? (Choose too)
A. batch
B. parallel
C. rolling
D. synchronous
Answer: A,C
Q160. - (Topic 2)
Storage QOS maximum throughput limits can be defined in terms of:
A. IOPS only
B. MB/s only
C. IOPS or MB/s
D. IOPS and MB/s
Answer: C
Explanation:
Storage QoS workload management (available in clustered Data ONTAP 8.2 and later) allows you to define service levels by creating policies that control the resources that can be consume by individual files, volumes or LUNS – or entire SVMs to manage performance capacity limits (defined in terms of a maximum value for IOPS or MB/sec) on a group of files or volumes or LUNs within an SVM or on the entire SVM. Link: http://www.netapp.com/us/system/pdf-reader.aspx?pdfuri=tcm:10-113725-16&m=wp-7191.pdf