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Question 11

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A storage administrator has just completed an ISCSI implementation in a customer environment running VMware and needs to validate that the entire network path supports jumbo frames.

Which action should be taken?

Ping from the host with fragmentation.
Ping from the host with fragmentation.
Check the VMkernel adapter settings.
Check the VMkernel adapter settings.
Ping from the host without fragmentation.
Ping from the host without fragmentation.
Check the broadcast domain settings.
Check the broadcast domain settings.
Suggested answer: A
Explanation:

To validate that the entire network path supports jumbo frames after an iSCSI implementation, you should perform a ping test from the host with fragmentation. This involves using the ping command with specific options to test jumbo frame support:

ping -M do -s 8972 <target_IP>

In this command:

-M do ensures the packets are not fragmented.

-s 8972 sets the packet size to 8972 bytes (9000 bytes MTU minus 28 bytes for the ICMP header).

By confirming that the large packets are successfully transmitted without fragmentation, you can validate that the network path, including switches and adapters, supports jumbo frames.

For more details, you can check:

NetApp Documentation - iSCSI Configuration and Best Practices (NetApp) (NetApp).

asked 23/09/2024
Thomas Lichtenberger
38 questions

Question 12

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An administrator installs a new NetApp ONTAP system in a customer's SAN environment. The customer wants to confirm that ALUA correctly changes the path states between Active/Optimized and Active/Nonoptimized.

Which event causes ALUA to change the path states?

Shut down all FC LIFs on the HA partner node.
Shut down all FC LIFs on the HA partner node.
Move the containing volume to the HA partner node.
Move the containing volume to the HA partner node.
Shut down one FC LIF.
Shut down one FC LIF.
Disconnect one FC cable on the node hosting the LUN.
Disconnect one FC cable on the node hosting the LUN.
Suggested answer: A
Explanation:

ALUA (Asymmetric Logical Unit Access) is a protocol used in SAN environments to manage paths between a host and its storage. It enables the host to recognize and manage paths to the LUNs more efficiently by designating paths as either 'Active/Optimized' or 'Active/Nonoptimized'. A significant event, such as shutting down all FC LIFs on the HA partner node, will trigger ALUA to change the path states. This action effectively causes the storage paths to transition from the HA partner node to the local node, switching the path states from Active/Nonoptimized to Active/Optimized on the paths that remain active.

For more information, you can refer to:

NetApp Community Discussion on ALUA

NetApp Documentation on ALUA

asked 23/09/2024
Jurriaan van Ingen
38 questions

Question 13

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An engineer Is implementing a data migration scenario for a customer who has multiple FC LUNs across multiple third-party SAN arrays. The engineer wants to use Foreign LUN Import (FLI) for the migration.

What is a requirement on the destination NetApp ONTAP cluster for FLI?

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Question 14

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What connectivity Is required between NetApp ONTAP clusters in order to configure SnapMirror active sync across two data centers for FC?

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Question 15

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What is the minimum number of rack units that are required on each site for a NetApp AFF All San Array (ASA) A800 MetroCluster IP configuration with 72 disks per site and Cisco N9K-C9336C-FX2 backend switches?

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Question 16

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What Is modified when moving a LUN between different HA pairs in the same SVM to prevent loss of connectivity?

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Question 17

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A customer has created an SVM for their SAN workloads. They now want to configure the SVM to use NVMe/FC. Which two steps are needed to accomplish this task? (Choose two.)

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Question 18

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A storage administrator wants to increase security and optimize performance in a recently implemented SAN deployment.

What should the storage administrator configure to ensure initiator restriction to certain LIFs?

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Question 19

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A LUN Is displaying 90% used space in the NetApp ONTAP CLI, but a Windows Server shows only 10% used space.

What is the first step to take to address this issue?

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Question 20

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A storage administrator recently implemented ISCSI SAN in a customer environment. Which two actions should be done to ensure the best performance? (Choose two.)

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Total 65 questions
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