RedHat EX200 Exam - Topic 10 Question 118 Discussion

Actual exam question for RedHat's EX200 exam

Question #: 118
Topic #: 10

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

Show Suggested Answer

Suggested Answer: A

by Chauncey at Nov 25, 2025, 12:25 PM

Limited Time Offer

25%

Off

Get Premium EX200 Questions as Interactive Web-Based Practice Test or PDF

Contribute your Thoughts:

Submit Cancel

Caprice

12 hours ago

Totally agree, those commands are essential!

upvoted 0 times

...

Una

6 days ago

You need to start the iptables service first.

upvoted 0 times

...

Paris

11 days ago

Wait, do I need to open the firewall or close it? I'm so confused, I think I'll just unplug the whole thing.

upvoted 0 times

...

Refugia

16 days ago

Finally, a question I can actually understand! Let's get that firewall up and running.

upvoted 0 times

...

Marlon

21 days ago

Hmm, this looks like a trick question. I'll just start by turning the firewall on and see what happens.

upvoted 0 times

...

Carin

26 days ago

Ah, the age-old question of the firewall's state. To open or not to open, that is the dilemma.

upvoted 0 times

...

Shantay

1 month ago

The firewall must be open? I thought it was supposed to be closed!

upvoted 0 times

...

William

1 month ago

I remember saving the iptables configuration is crucial, but I can't recall if "iptables -Z" is needed in this context.

upvoted 0 times

...

German

1 month ago

I’m a bit confused about the "chkconfig iptables on" part. Is that really necessary for the firewall to stay active after a reboot?

upvoted 0 times

...

Mendy

2 months ago

I practiced a similar question where we had to flush iptables rules, so I feel okay about using "iptables -F".

upvoted 0 times

...

Pearly

2 months ago

This looks like a good approach. I'll make sure to test the firewall after making the changes to ensure it's working as expected.

upvoted 0 times

...

Tracey

2 months ago

Wait, what's the purpose of this? I want to make sure I'm not just blindly executing commands without understanding the context.

upvoted 0 times

...

Moira

2 months ago

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

upvoted 0 times

...

Amina

2 months ago

Agreed, especially the iptables -F part.

upvoted 0 times

...

Mari

2 months ago

Okay, I got this. The key is to start the iptables service, flush the rules, then save the configuration and enable it to start at boot.

upvoted 0 times

...

Viola

3 months ago

I think it's crucial to understand the commands.

upvoted 0 times

...

Velda

3 months ago

I'm a bit confused by the iptables commands. I'll need to review my notes on firewall configuration to make sure I understand what each one does.

upvoted 0 times

...

Alesia

3 months ago

Hmm, this seems straightforward. I'll start by checking the firewall status and then follow the steps in the explanation.

upvoted 0 times

Blythe

3 months ago

I always double-check the rules after.

upvoted 0 times

...