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RedHat EX200 Exam - Topic 1 Question 23 Discussion

Actual exam question for RedHat's EX200 exam

Question #: 23
Topic #: 1

[All EX200 Questions]

Your System is going use as a router for 172.24.0.0/16 and 172.25.0.0/16. Enable the IP Forwarding.

1. echo "1" >/proc/sys/net/ipv4/ip_forward

2. vi /etc/sysctl.conf net.ipv4.ip_forward=1

A/proc is the virtual filesystem, containing the information about the running kernel.
To change the parameter of running kernel you should modify on /proc. From Next reboot the system, kernel will take the value from /etc/sysctl.conf.

B/proc is the virtual filesystem, containing the information about the running kernel.
To change the parameter of running kernel you should modify on /proc.

Show Suggested Answer

Suggested Answer: A

by Jaclyn at May 08, 2022, 12:59 PM

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Lonna

7 months ago

Just to clarify, you need to reboot for /etc/sysctl.conf to take effect, right?

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Malcom

7 months ago

I thought /etc/sysctl.conf was the way to go for persistent changes.

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Marge

7 months ago

Wait, does modifying /proc really change it permanently?

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Vallie

7 months ago

Totally agree, that's how it works!

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Herminia

7 months ago

/proc is indeed the virtual filesystem for kernel info.

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Hillary

8 months ago

I vaguely recall that /etc/sysctl.conf is the way to make changes permanent, but I can't remember the exact syntax we used.

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Bernardo

8 months ago

I think we practiced something similar in class, where we had to enable IP forwarding for a lab setup.

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Erick

8 months ago

I remember that modifying /proc is for immediate changes, but I'm not sure if it persists after a reboot.

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Ezekiel

8 months ago

I feel like both options mention /proc correctly, but I’m a bit confused about which one emphasizes the reboot aspect better.

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Val

8 months ago

I'm pretty confident that the Cisco vEdge platform supports IPv6 transport (WAN), so I'll go with option A.

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Edmond

8 months ago

Hmm, I'm a bit confused about the difference between these two estimation methods. I'll need to think this through carefully.

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