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2021 Sep NS0-180 exam cost
Q21. What is s LIF?
A. a logical internet file
B. a logical inventory file
C. a logical interaction file
D. a logical interface
Answer: D
Explanation:
A LIF (logical interface) is an IP address or WWPN with associated characteristics, such as a role, a home port, a home node, a list of ports to fail over to, and a firewall policy. You can configure LIFs on ports over which the cluster sends and receives communications over the network.
Reference: Clustered Data ONTAP 8.3, Network Management Guide, page 54
Q22. You are setting up a switchless 2-node cluster. You must ensure that it is set up correctly. Which two commands would you execute to complete this task? (Choose two.)
A. cluster ha modify –configured true
B. not int modify –node –data
C. network options switchless –cluster modify true
D. net int create
Answer: A,C
Explanation:
Enabling cluster HA and switchless-cluster in a two-node cluster If you have a two-node switchless configuration that uses direct-cable connections between the nodes instead of a cluster interconnect switch, you must ensure that the switchless-cluster-network option is enabled. This ensures proper cluster communication between the nodes. Stepscluster ha modify -configured true If storage failover is not already enabled, you will be prompted to confirm enabling of both storage failover and auto-giveback. set -privilege advanced Confirm when prompted to continue into advanced mode. The advanced mode prompt appears (*>). network options switchless-cluster show If the output shows that the value is false, you must issue the following command: network options switchless-cluster modify true set -privilege admin
Reference: Enabling cluster HA and switchless-cluster in a two-node cluster
https://library.netapp.com/ecmdocs/ECMP1196905/html/GUID-CE8ADA56-E05B-4398-A7E2-05C7BD816467.html
Q23. According to NetApp, which two scenarios are recommended for a RAID-DP aggregate in clustered Data ONTAP 8.3? (Choose two.)
A. three or more disks if it is a data aggregate
B. three or more disks if it is a root aggregate
C. two or more disks if it is a root aggregate
D. five or more disks if it is a data aggregate
Answer: B,D
Explanation:
The minimum number of disks in a RAID-DP group is three: at least one data disk, one regular parity disk, and one double-parity (dParity) disk. However, for non-root aggregates with only one RAID group, you must have at least 5 disks (three data disks and two parity disks).
Reference:
Clustered Data ONTAP 8.3, Physical Storage Management Guide, page 108
https://library.netapp.com/ecm/ecm_download_file/ECMP1636022
Q24. Which feature provides preferred protection for the root volume of a storage virtual machine (SVM)?
A. SnapVault
B. load-sharing mirror
C. SnapMirror
D. SyncMirror
Answer: B
Explanation:
To protect the Storage Virtual Machine (SVM) namespace root volume, you can create a load-sharing mirror volume on every node in the cluster, including the node in which the root volume is located. Then you create a mirror relationship to each load-sharing mirror volume and initialize the set of load-sharing mirror volumes.
Reference:
SVM root volume protection workflow
https://library.netapp.com/ecmdocs/ECMP1653502/html/GUID-59618C57-A05E-48DF-96FB-9788D3DA74AC.html
Q25. You are installing two disk shelves on an existing clustered Data ONTAP system. One shelf is a DS2246 that matches the other shelves in a stack. The other shelf is also a DS2246 but it contains all solid state disks. Both disk shelves must be added to the same stack.
How would you install the disk shelves?
A. Install the solid state disks first, then the DS2246 shelf so that the solid state disks are as close to the top of the stack as possible.
B. Install the spinning disk shelf first and put the solid state disks at the end of the stack.
C. Advise the customer that solid state disks cannot exist on the same stack as spinning disks.
D. Move the disk drives around to create two shelves that are half solid state and half spinning drives.
Answer: A
Explanation:
As SSDs are faster they should be put close to the top of the stack.
Incorrect: Not C: The DS4246 disk shelf only supports high-capacity disk configurations
and "Mixed Shelf" SSD configurations that combine SSDs with high-capacity disk drives. Not D: Place the SSD disk shelves in a separate stack other then the disk shelves containing SAS disks. Because the potential high IOPS, thus high SAS I/O bandwidth utilization, we don’t want to be limited by our backend SAS I/O. As NetApp states; “Full SSD shelves (24 SSDs) are best placed in their own stack”.
Reference: Clustered Data ONTAP 8.3, Physical Storage Management Guide, page 25
Rebirth NS0-180 test:
Q26. You are asked to install a cluster that consists of two FAS8060 controllers and four DS2246 shelves. The customer wants two stacks of shelves (10-11 and 20-21).
According to NetApp, how many SAS cables are required to complete this installation with MPHA?
A. 10 SAS cables
B. 12 SAS cables
C. 8 SAS cables
D. 6 SAS cables
Answer: B
Explanation:
Example (with two controllers and six shelves which uses 12 SAS cables): Multipath HA configuration:
Reference: SAS Disk Shelves, Universal SAS and ACP Cabling Guide, page 10 https://library.netapp.com/ecm/ecm_get_file/ECMM1280392
Q27. You are adding nodes to an existing cluster.
In this scenario, which three statements are correct? (Choose three.)
A. If you are adding a second node to a single-node cluster, the second node must have been installed, but the cluster network can be configured later.
B. You must add a cluster switch for every two nodes.
C. If you are adding nodes to a multiple-node cluster, more than half of the existing nodes in the cluster must be healthy.
D. The switchless cluster functionality is supported only in a single or two-node cluster.
E. If you are adding nodes to a two-node switchless cluster, you must have installed and configured the cluster management and interconnect switches before adding additional nodes.
Answer: B,C,E
Explanation:
C: If you are adding nodes to a multiple-node cluster, more than half of the existing nodes in the cluster must be healthy (indicated by cluster show).
E: If you are adding nodes to a two-node switchless cluster, you must have installed and configured the cluster management and interconnect switches before adding additional nodes. Incorrect: not A: If you are adding a second node to a single-node cluster, the second node must be installed, and the cluster network must be configured. Not D: The switchless cluster functionality is supported only in a two-node cluster.
Reference: Adding nodes to the cluster https://library.netapp.com/ecmdocs/ECMP1636037/html/GUID-B13FF812-785E-4E62-
9914-30E7A8F51A4C.html
Q28. You are preparing to install a new 4-node cluster for your customer. They want to use NetApp CN1610 cluster switches that they previously purchased.
Which software must be downloaded to ensure that you are well prepared for this installation?
A. You must download CN1610 firmware and RCF files compatible with the clustered Data ONTAP version that your customer wants to use.
B. You must download the Cisco configuration files compatible with the clustered Data ONTAP version that your customer wants to use.
C. You must download ATTO Fibre Bridge firmware.
D. You must download the System Setup tool.
Answer: A
Explanation:
Note: The following conditions must exist before installing the FASTPATH software and reference configuration file (RCF) on a NetApp CN16xx cluster switch:
* The cluster must be a fully functioning cluster. Etc. Reference: Installing FASTPATH software and RCF files on NetApp Cluster switches, page 1
https://library.netapp.com/ecm/ecm_download_file/ECMP11694144
Q29. You were dispatched to install a cluster made up of FAS8060 and FAS8080 controllers. There are three FAS8060 controllers and three FAS8080 controllers.
Which solution would provide the largest possible cluster?
A. a cluster made up of two nodes
B. a cluster made up of four nodes
C. a cluster made up of five nodes
D. a cluster made up of six nodes
Answer: D
Q30. Which switch vendor is supported for the cluster network switches?
A. Juniper Networks
B. Cisco
C. Brocade
D. Hewlett-Packard
Answer: B
Explanation:
Cisco Nexus 50x0 switches can be deployed as NetApp cluster network switches. Reference: How to setup and configure the Cluster Network Switch
https://kb.netapp.com/support/index?page=content&id=1012684&locale=en_US