Tips to Pass NS0-157 Exam (11 to 20)

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Q11. - (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:

Explanation: IDs must be unique within an.HA pair. Reference: https://library.netapp.com/ecmdocs/ECMP1256807/html/GUID-FF56A1A7-F2ED-4F3D-BC2A-366609422B4D.html 


Q12. - (Topic 1) 

A customer has two SVMs joined to separate Active Directory domains. SVM1 is joined to domain AD1 and SVM2 is joined to domain AD2. The administrator enables Active Directory access to allow certain domain users access to the cluster using their Active Directory credentials. After enabling, some users report the inability to log into the cluster using their Active Directory credentials. 

What are three reasons this happened? (Choose three.) 

A. The user account belongs to the domain that is not used for cluster access authentication. 

B. The cluster time is off by two minutes from the Active Directory time server. 

C. The authentication tunnel was deleted and access sessions were disconnected. 

D. The Active Directory user account is not added to the cluster as a user. 

E. The user is not a member of an Active Directory group that is allowed access to the cluster. 

Answer: A,D,E 


Q13. - (Topic 3) 

Which protocols are allowed by default data firewall policy? (choose all that apply) 

A. DNS 

B. HTTPS 

C. NDMP 

D. NTP 

E. SNMP, SSH, Telnet 

Answer: A,C 


Q14. - (Topic 3) 

Which are types of failover groups? (choose all that apply) 

A. System-defined 

B. User-defined 

C. Next Available 

D. Priority 

E. Clusterwide 

Answer: A,B,E 

Explanation: Types of failover groups 

Failover groups for LIFs can be system-defined or user-defined. 

Additionally, a failover group called clusterwide exists and is maintained automatically. 

Failover groups are of the following types: 

System-defined failover groups: Failover groups that automatically manage LIF failover 

targets on a per-LIF basis. 

This is the default failover group for data LIFs in the cluster. 

For example, when the value of the failover-group option is system-defined, the system will 

automatically manage the LIF failover targets for that LIF, based on the home node or port 

of the LIF. 

Note: All the network ports should be assigned correct port roles, and all the network ports 

of the same role should be in the same subnet. 

User-defined failover groups: Customized failover groups that can be created when the 

system-defined failover groups do not meet your requirements. 

For a system with ports of the same role connected to multiple subnets, each LIF requires 

a user-defined failover group with a failover group for each subnet. 

You can create a failover group consisting of all 10-GbE ports that enables LIFs to fail over 

only to the high-bandwidth ports. 

Clusterwide failover group: Failover group that consists of all the data ports in the cluster. 

This is the default failover group for the cluster-management LIFs only. 

For example, when the value of the failover-group option is cluster-wide, every data port in 

the cluster will be defined as the failover targets for that LIF." 

https://library.netapp.com/ecmdocs/ECMP1401193/html/GUID-9600E800-B8E6-4A78-B97B-912459BEFD63.html 


Q15. - (Topic 1) 

What are the two valid NDMP modes? (Choose two.) 

A. local-scoped 

B. node-scoped 

C. SVM-scoped 

D. cluster-scoped 

Answer: B,C 

Reference: http://documents.software.dell.com/netvault-backup-plug-in-for-ndmp/10.0.5/application-notes-for-netapp-ontap/installation-and-configuration-prerequisites/configuration-prerequisites?ParentProduct=753 

If you install a new Data ONTAP 8.2 cluster, NDMP is in the SVM-scoped NDMP mode by default. To perform tape backup and restore operations in the node-scoped NDMP mode, you must explicitly enable the node-scoped NDMP mode 

https://library.netapp.com/ecmdocs/ECMP1368707/html/GUID-BDE7061D-A905-423E-A8B4-63D1C7F3D114.html 


Q16. - (Topic 2) 

With Data ONTAP 8.1, which statement is true about deduplication and volume sizes? 

A. Deduplication is limited to 16TB. 

B. Deduplication is limited to 32TB. 

C. Deduplication is supported up to half the maximum volume size for the platform. 

D. Deduplication is supported up to the maximum volume size for the platform. 

Answer:

Explanation: 

Link: http://www.netapp.com/uk/communities/tech-ontap/Tot_dataontap-1309.aspx?REF_SOURCE=EMMtot-309-de https://library.netapp.com/ecm/ecm_download_file/ECMP1196906 


Q17. - (Topic 1) 

Which three disk shelf types are supported in clustered Data ONTAP 8.3? (Choose three.) 

A. DS4486 

B. DS14-MK4-FC 

C. DS14-MK2-FC 

D. DS14-MK2-AT 

E. DS14 

Answer: A,B,D 

Explanation: 

Disk shelves supported DS2246 (2U; 24 drives, 2.5" SFF).DS4246 (4U; 24 drives, 3.5" LFF).DS4486 (4U; 48 drives, 3.5" LFF).DS4243 (4U; 24 drives, 3.5" LFF) supported for upgrades only.DS14 disk shelves (mk2-AT, mk4) are supported for upgrades only.

Reference:http://www.netapp.com/us/products/storage-systems/fas8000/fas8000-tech-specs.aspx(See the table) 


Q18. - (Topic 2) 

Using the following path: /users/sales/a1/smith, which are the two possible path types for “a1”? (Choose two.) 

A. A directory 

B. A file 

C. A LUN 

D. A qtree 

Answer: A,D 


Q19. - (Topic 3) 

Which two now feature are available in Data ONTAP 8.1.1 C-Mode? (Choose two) 

A. Flash pool 

B. SSD Support 

C. Infinite volume 

D. Infiniband 

Answer: A,C 

Explanation: 

https://communities.netapp.com/community/netapp-blogs/sanbytes/blog/2012/06/24/announcingdata-ontap-811-operating-in-cluster-mode 


Q20. - (Topic 1) 

When creating a data aggregate, what is the default minimum number of disks for RAID4 and RAID-DP? 

A. 5 for RAID4 and 9 for RAID-DP 

B. 4 for RAID4 and 7 for RAID-DP 

C. 3 for RAID4 and 5 for RAID-DP 

D. 2 for RAID4 and 3 for RAID-DP 

Answer: