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2021 Oct NS0-157 study guide
Q161. - (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
Q162. - (Topic 2)
NFSv4.1 pNFS reduces traffic over which network?
A. cluster network
B. data network
C. InfiniBand network
D. management network
Answer: A
Explanation:
Link: http://www.netapp.com/uk/system/pdf-reader.aspx?cc=uk&m=tr-063.pdf&pdfUri=tcm:42-59849
Q163. - (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
Q164. - (Topic 3)
A cluster node is a (n) _________.
A. Admin node
B. Cluster verver
C. HA storage controller pair
D. Storage controller
Answer: D
Explanation:
http://www.netapp.com/in/communities/tech-ontap/tot-clustermode-1207.aspx
Q165. - (Topic 2)
What is considered when selection LS mirror copy? (choose three)
A. If an LS mirror copy is on the same node as the network module that fields the request, the network module uses that LS mirror copy
B. If a write request goes to LS mirror, It forward it to flexvol
C. if no LS mirror copy is on the same node as the network module that fields the request, the network module uses an up-to-date LS mirror copy on another node.
D. If a write request goes to LS mirror, it returns error.
Answer: A,C,D
Up to the immediate present NS0-157 exam question:
Q166. - (Topic 1)
You have multiple volumes that are exported to a group of hosts within your environment. A new host needs access to the volumes.
Which two actions accomplish this task? (Choose two.)
A. Mount the new exports from the host.
B. Create a new SVM.
C. Create a rule in the export policy on the SVM.
D. Create a new data LIF on the SVM.
Answer: A,C
Q167. - (Topic 2)
Which of the following statements are true about data protection mirrors? (Choose all that apply)
A. A data protection source volume supports up to 4 destination mirrored volumes
B. A data protection source volume supports up to 1 destination volume per node
C. A volume must be created before it can be used as a mirror destination
D. Creating a mirror relationship also creates the destination volume
Answer: A,C
Q168. - (Topic 2)
Which two statements are true with clustered Data ONTAP support of IPv6? (Choose two)
A. IPv4 and IPv6 configurations are supported on the cluster management LIF
B. IPv4 and IPv6 configurations are supported on the same data LIF
C. IPv6 allows a data LIF to span more than one Vserver
D. IPv4 and IPv6 configurations are supported on the cluster interconnect
Answer: A,B
Explanation:
Link: https://library.netapp.com/ecm/ecm_download_file/ECMP1196907
Q169. - (Topic 3)
Which three statements are true about a node's vol0 volume? (Choose three)
A. It is not part of the namespace.
B. One exists on every node in the cluster.
C. It is the most efficient place to store critical user data.
D. It should have LS mirrors on every node in the cluster.
E. It cannot be moved with the volume move command
Answer: A,B,E
Q170. - (Topic 2)
Which storage efficiency features are available in clustered Data ONTAP 8.2? (choose all that apply)
A. Thin provisioning
B. FlexClone
C. Deduplication
D. SnapVault
E. Compression
F. SyncMirror
Answer: A,B,C,E