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CompTIA PT0-003 Exam - Topic 3 Question 11 Discussion

Which of the following OT protocols sends information in cleartext?
C) Modbus
A) TTEthernet
B) DNP3
D) PROFINET Operational Technology (OT) protocols are used in industrial control systems (ICS) to manage and automate physical processes. Here's an analysis of each protocol regarding whether it sends information in cleartext: TTEthernet (Option A):

CompTIA PT0-003 Exam - Topic 3 Question 11 Discussion

Actual exam question for CompTIA's PT0-003 exam
Question #: 11
Topic #: 3
[All PT0-003 Questions]

Which of the following OT protocols sends information in cleartext?

Show Suggested Answer Hide Answer
Suggested Answer: C

Security: It includes mechanisms for reliable and deterministic data transfer, not typically sending information in cleartext.

DNP3 (Option B):

Security: While the original DNP3 protocol transmits data in cleartext, the DNP3 Secure Authentication extensions provide cryptographic security features.

Modbus (Answer: C):

Security: Modbus transmits data in cleartext, which makes it susceptible to interception and unauthorized access.

Security: PROFINET includes several security features, including support for encryption, which means it doesn't necessarily send information in cleartext.

Conclusion: Modbus is the protocol that most commonly sends information in cleartext, making it vulnerable to eavesdropping and interception.


PROFINET (Option D):

by Aja at Sep 18, 2024, 01:06 AM

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Hyun
7 months ago
Wait, are we sure about TTEthernet? Sounds off.
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Samira
8 months ago
Yeah, Modbus is known for that!
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Nohemi
8 months ago
PROFINET uses cleartext too, right?
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Rusty
8 months ago
I thought DNP3 was secure?
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Isabella
8 months ago
Modbus definitely sends data in cleartext.
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Elsa
9 months ago
I feel like PROFINET might have some security features, but I can't remember if it sends everything in cleartext.
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Jame
9 months ago
I practiced a similar question about OT protocols last week, and I think TTEthernet was one of the options too.
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Doretha
9 months ago
I remember DNP3 being mentioned in class, but I can't recall if it uses encryption or not.
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Shonda
9 months ago
I think Modbus sends data in cleartext, but I'm not entirely sure if that's the only one.
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Michal
9 months ago
Okay, I know DNP3 (option B) is an older protocol that often uses cleartext transmission. I think that's the most likely answer here, but I'll double-check the other options just to be sure.
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Lyda
9 months ago
Hmm, I'm not too familiar with all these OT protocols. I'll have to review my notes and try to remember which ones are known to use cleartext communication.
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Cyndy
9 months ago
This is a tricky one. I'll need to think carefully about the characteristics of each OT protocol to determine which one sends information in cleartext.
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Reena
9 months ago
I'm pretty sure Modbus (option C) sends data in cleartext, but I'm not 100% certain about the others. I'll make my best guess and hope I get it right.
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Olive
9 months ago
Okay, I've got this. The key is to showcase Cisco's holistic solutions and architectural advantages. I'll make sure to hit those points in my response.
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Andra
2 years ago
I heard DNP3 is so old-school, it uses carrier pigeons to transmit data. Cleartext for sure!
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Yaeko
2 years ago
User 3: Modbus
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Ruby
2 years ago
User 2: DNP3
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Eugene
2 years ago
User 1: TTEthernet
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Marcos
2 years ago
Oh, I see. Thanks for clarifying that. So, the correct answer is DNP3 then.
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Gladys
2 years ago
Actually, it's DNP3 that sends information in cleartext, not Modbus.
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Alecia
2 years ago
Haha, DNP3? What is this, the 90s? Cleartext all the way, baby!
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Eun
2 years ago
User 4: PROFINET is the only one on the list that doesn't send info in cleartext.
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Talia
2 years ago
User 3: Modbus is also known for sending info in cleartext.
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Laurel
2 years ago
I agree, it's like a blast from the past. Cleartext for sure.
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Callie
2 years ago
Yeah, DNP3 is so outdated. Definitely sends info in cleartext.
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Marcos
2 years ago
I think the answer is Modbus because it sends information in cleartext.
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Trinidad
2 years ago
TTEthernet? Isn't that the one used for high-speed aviation systems? No way that's cleartext.
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Lino
2 years ago
Hmm, I think PROFINET might also send data in cleartext. Can't be too sure though.
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Fletcher
2 years ago
Lettie: PROFINET
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Dewitt
2 years ago
Modbus
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Lettie
2 years ago
DNP3
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Flo
2 years ago
TTEthernet
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Reita
2 years ago
Modbus sends data in cleartext, that's a no-brainer! Option C for sure.
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Milly
2 years ago
I agree, Modbus is definitely the protocol that sends information in cleartext.
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Milly
2 years ago
Modbus sends data in cleartext, that's a no-brainer! Option C for sure.
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