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NetApp NS0-593 Exam - Topic 2 Question 87 Discussion

Your customer complains that u host will constantly report losing a connection to the iSCSl target and then report that the session was reestablished.As shown in the exhibit, what is a cause of this flapping?
A) A host with an IP address of 172.20.10.80 and a second host with an IP address of 10.10.20.60 have the same IQN.
B) A host with an IP address of 172.20.10.80 and a second host with an IP address of 10.10.20.60 are in different initiator groups.
C) A host with an IP address of 172.20.10.80 and a second host with an IP address of 10.10.20.60 are accessing the same LUN.
D) A host with an IP address of 172.20.10.80 and a second IP address of 10.10.20.60 is accessing different LUNs.

NetApp NS0-593 Exam - Topic 2 Question 87 Discussion

Actual exam question for NetApp's NS0-593 exam
Question #: 87
Topic #: 2
[All NS0-593 Questions]

Your customer complains that u host will constantly report losing a connection to the iSCSl target and then report that the session was reestablished.

As shown in the exhibit, what is a cause of this flapping?

Show Suggested Answer Hide Answer
Suggested Answer: A

IQN stands for iSCSI Qualified Name, which is a unique identifier for an iSCSI initiator or target1.

ONTAP uses IQN to authenticate and authorize iSCSI sessions2.

If two hosts have the same IQN, they will cause a conflict and ONTAP will reject the new session request from the second host3.

This will result in the host losing the connection to the iSCSI target and then reporting that the session was reestablished, as shown in the exhibit.

To avoid this problem, each host should have a unique IQN.Reference:

iSCSI Qualified Name (IQN) - NetApp

iSCSI authentication and authorization - NetApp

Troubleshooting iSCSI issues - NetApp

[Configuring iSCSI initiators - NetApp]


by Mayra at Jun 27, 2026, 10:08 PM

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Becky
1 day ago
Agreed, A is the most likely culprit here.
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Hester
7 days ago
Definitely not D, they should be fine if they're on different LUNs.
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Viva
12 days ago
Wait, are they really accessing the same LUN? That seems odd.
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Soledad
17 days ago
I think it's more about the initiator groups being mismatched.
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Harrison
22 days ago
Sounds like a classic IQN conflict issue.
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Arthur
27 days ago
I wonder if option D is relevant here since different LUNs shouldn't cause flapping, right? But I could be mistaken.
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Lynsey
1 month ago
I feel like accessing the same LUN could lead to conflicts, which makes option C seem plausible, but I can't recall the specifics.
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Jannette
1 month ago
I think we practiced a similar question where different initiator groups caused problems, so option B could be a possibility too.
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Myong
1 month ago
I remember something about IQNs causing issues if they overlap, so option A might be the right answer, but I'm not entirely sure.
upvoted 0 times
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