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Dell EMC Exam D-XTR-OE-A-24 Topic 6 Question 9 Discussion

Actual exam question for Dell EMC's Dell XtremIO Operate Achievement exam
Question #: 9
Topic #: 6
[All Dell XtremIO Operate Achievement Questions]

Which Linux/UNIX command is used for monitoring the performance of system input/output devices?

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Suggested Answer: D

The iostat command is used for monitoring system input/output device loading by observing the time the devices are active in relation to their average transfer rates. It generates reports that can be used to change system configuration to better balance the input/output load between physical disks1. The iostat command is particularly useful for monitoring disk throughput and can help identify high disk utilization, which is essential for diagnosing performance issues related to storage2.

The iostat command provides information about input/output (I/O) statistics for block devices (like hard drives and SSDs) and CPUs, making it a valuable tool for analyzing the performance and usage of these resources on a system1. It is distributed as part of the sysstat package and is available on most Linux distributions1.

The other commands listed have different purposes:

stat (OA) is used to display file or file system status.

netstat (OB) displays network connections, routing tables, interface statistics, masquerade connections, and multicast memberships.

nbtstat (OC) is a Windows command-line utility that displays protocol statistics and current TCP/IP connections using NetBIOS over TCP/IP.

Therefore, for monitoring the performance of system input/output devices on Linux/UNIX systems, iostat (OD) is the correct command to use1.


by Claudia at Sep 14, 2024, 06:02 AM

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Caren
2 days ago
D) iostat is the way to go. Anything else would be a rookie mistake.
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Cory
7 days ago
Ha! Anyone who's not picking D) iostat is clearly new to the Linux game. It's a must-know command.
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Louis
10 days ago
I'm not sure, but I think it's A) stat.
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Sommer
11 days ago
I agree with Brittney, iostat is used for monitoring system input/output devices.
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Brittney
12 days ago
I think the answer is D) iostat.
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Nettie
21 days ago
Definitely D) iostat. It's the go-to command for getting detailed stats on system I/O.
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Crissy
11 days ago
I agree, iostat is really useful for monitoring system I/O performance.
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Dallas
1 months ago
Hmm, I think D) iostat is the answer. It's the perfect tool for monitoring I/O performance.
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Stephanie
16 days ago
Yes, iostat is commonly used for monitoring system input/output devices.
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Olive
26 days ago
I agree, iostat is the right command for monitoring I/O performance.
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