RedHat EX200 Exam - Topic 5 Question 125 Discussion

Actual exam question for RedHat's EX200 exam

Question #: 125
Topic #: 5

The firewall must be open.

AExplanation:
/etc/init.d/iptables start
iptables -F
iptables -X
iptables -Z
/etc/init.d/iptables save
chkconfig iptables on

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Suggested Answer: A

by Nelida at Apr 12, 2026, 04:42 PM

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Veronika

3 days ago

Yeah, saving is crucial. Can't afford to lose configurations.

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Coral

8 days ago

I agree, but we must ensure we save the settings.

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Artie

13 days ago

The commands seem straightforward. I feel confident about this.

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Dannie

18 days ago

It depends on the context. We need to allow certain traffic.

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Raelene

23 days ago

But isn't that risky?

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Katina

29 days ago

I think the firewall should be open for security.

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Christene

1 month ago

Just remember to save the configuration!

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Valene

1 month ago

I feel confident with iptables commands.

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Buddy

1 month ago

The commands seem straightforward.

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Rosann

2 months ago

True, but we need to allow certain traffic.

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Maybelle

2 months ago

But it can expose us to risks.

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Merilyn

2 months ago

I think the firewall being open is crucial for security.

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Laquita

2 months ago

Those commands look good, but don't forget to check your rules after!

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Fairy

2 months ago

I thought iptables was outdated, isn't there a better option now?

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Cordelia

3 months ago

Wait, are we sure this won't expose us to attacks?

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Luis

4 months ago

Totally agree, firewalls are crucial for security!

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Malinda

4 months ago

Just a reminder, you need root access to run those commands.

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Kimberely

5 months ago

I vaguely remember that we need to ensure the firewall is active, but I'm not confident about the exact steps to take.

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Owen

5 months ago

I feel like I might have mixed up the commands for saving the iptables configuration. Does anyone recall if "chkconfig iptables on" is necessary?

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Willard

5 months ago

I think I practiced a similar question where we had to flush the rules first. Is that what "iptables -F" does?

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Marquetta

5 months ago

I remember something about starting iptables, but I'm not sure if I need to use all those commands in that order.

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