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Fortinet EMEA Advanced Support Exam - Topic 1 Question 5 Discussion

Actual exam question for Fortinet's Fortinet EMEA Advanced Support exam

Question #: 5
Topic #: 1

[All Fortinet EMEA Advanced Support Questions]

Which of the following are classful addresses? (Select all that apply below)

A10.225.30.0/8

B10.225.30.0/16

C172.16.0.0/16

D172.16.0.0/24

Show Suggested Answer

Suggested Answer: A, C

by Esteban at Aug 14, 2025, 08:34 PM

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Kris

6 months ago

I thought classful addressing was outdated, surprised to see it here!

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Nickolas

7 months ago

Wait, isn't D also classful?

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Shanice

7 months ago

Totally agree, A is definitely classful!

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Jeannetta

7 months ago

B is not classful, just saying.

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Kayleigh

8 months ago

A and C are classful addresses.

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Alison

8 months ago

I remember that classful addresses have specific ranges, but I’m confused about the /24 one. Is it still classful?

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Elden

8 months ago

I practiced a similar question last week, and I think both A and C are classful addresses.

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Jeannine

8 months ago

I'm not so sure about the /16 and /24 options. I feel like they might be class B, but I can't recall the specifics.

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Carla

9 months ago

I think classful addressing is about the subnet mask, right? I remember that /8 is definitely class A.

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Annette

9 months ago

I remember learning about classful addressing, but I'm drawing a blank on the specifics right now. I'll just do my best to apply what I know and see if I can figure it out.

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Johnna

9 months ago

Okay, let's see. I know class A is 10.0.0.0/8, class B is 172.16.0.0/16, and class C is 192.168.0.0/24. So I'll select the options that match those.

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Percy

9 months ago

Hmm, I'm a little unsure about this one. I know classful addressing is an older system, but I can't quite remember the details. I'll have to think it through carefully.

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Shawna

9 months ago

I'm pretty sure classful addresses use the old-school network classes A, B, and C. So I'll check those options first.

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Laquanda

10 months ago

I agree with Jarod, A) 10.225.30.0/8 is a classful address because it has a /8 subnet mask.

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Lynna

10 months ago

Hmm, I think B and D are also classful. The /16 and /24 subnet masks are a dead giveaway.

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Tequila

10 months ago

A and C are definitely classful addresses! I remember learning about those in my networking classes.

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Emile

6 months ago

B is classless, only A and C fit the bill.

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Vesta

6 months ago

What about B? Isn't it also classful?

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Delfina

7 months ago

I agree, A and C are the right choices.

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Kathryn

7 months ago

A and C are classful for sure!

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Jarod

10 months ago

I think A) 10.225.30.0/8 is a classful address.

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