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NetApp NS0-516 Exam - Topic 7 Question 28 Discussion

Which iSCSI setting would you change from its default value to increase the throughput of an iSCSI host port on a NetApp E-Series system?
A) maximum transmission unit (MTU)
B) flow control
C) Challenge-Handshake Authentication Protocol (CHAP)
D) Time to Live (TTL)

NetApp NS0-516 Exam - Topic 7 Question 28 Discussion

Actual exam question for NetApp's NS0-516 exam
Question #: 28
Topic #: 7
[All NS0-516 Questions]

Which iSCSI setting would you change from its default value to increase the throughput of an iSCSI host port on a NetApp E-Series system?

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Suggested Answer: A

To increase the throughput of an iSCSI host port on a NetApp E-Series system, you should change the maximum transmission unit (MTU) setting from its default value.

Maximum Transmission Unit (MTU): The MTU size determines the largest packet that can be sent over the network without needing to be fragmented. By increasing the MTU size, you can reduce the overhead associated with packet processing and improve throughput. For example, setting the MTU to 9000 bytes (Jumbo Frames) can enhance performance for iSCSI traffic.


NetApp E-Series SANtricity Storage Manager User Guide

NetApp Best Practices for Configuring iSCSI with E-Series

by Rochell at May 07, 2026, 02:58 AM

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Shayne
4 days ago
D) TTL doesn’t really affect throughput either.
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Paulina
10 days ago
C) CHAP is more about security, not speed.
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Iesha
15 days ago
True, but MTU has a bigger impact on throughput.
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Jesusa
20 days ago
But what about B) flow control? It’s important too.
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Filiberto
25 days ago
Agreed! Larger MTU can boost performance.
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Sharika
1 month ago
I think A) MTU is the best choice.
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Craig
1 month ago
MTU is the way to go, no doubt about it!
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Denise
1 month ago
Wait, I thought TTL was the key setting?
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Alishia
2 months ago
CHAP is for security, not throughput.
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Naomi
2 months ago
I disagree, flow control is more important.
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Rolande
2 months ago
Definitely change the MTU for better throughput!
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Dolores
2 months ago
I don’t think CHAP would affect throughput, but I’m not confident about TTL either. I wish I had reviewed the impact of these settings more thoroughly.
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Walker
4 months ago
I’m leaning towards MTU as well. I saw a similar question where adjusting MTU helped with performance, but I’m a bit confused about the other options.
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Shaniqua
4 months ago
I remember practicing a question about iSCSI settings, and I feel like flow control was mentioned as important for managing traffic, but I can't recall if it directly affects throughput.
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Leonard
4 months ago
I think it might be the maximum transmission unit (MTU) since larger packets can improve throughput, but I'm not entirely sure.
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