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CertNexus ITS-110 Exam - Topic 3 Question 71 Discussion

An IoT security administrator is concerned about an external attacker using the internal device management local area network (LAN) to compromise his IoT devices. Which of the following countermeasures should the security administrator implement? (Choose three.)
B) Create a separate management virtual LAN (VLAN) and D) Implement 802.1X for authentication and G) Ensure that all administrators access the management server at specific times
A) Require the use of Password Authentication Protocol (PAP)
C) Ensure that all IoT management servers are running antivirus software
E) Ensure that the Time To Live (TTL) flag for outgoing packets is set to 1
F) Only allow outbound traffic from the management LAN

CertNexus ITS-110 Exam - Topic 3 Question 71 Discussion

Actual exam question for CertNexus's ITS-110 exam
Question #: 71
Topic #: 3
[All ITS-110 Questions]

An IoT security administrator is concerned about an external attacker using the internal device management local area network (LAN) to compromise his IoT devices. Which of the following countermeasures should the security administrator implement? (Choose three.)

Show Suggested Answer Hide Answer
Suggested Answer: B, D, G

by Silva at May 14, 2026, 07:39 AM

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Viola
3 days ago
I think creating a separate management VLAN is crucial. Keeps things isolated.
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Gracia
8 days ago
Limiting outbound traffic is smart, option F is key!
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Vince
13 days ago
802.1X is a solid choice for authentication.
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Carissa
18 days ago
Wait, setting TTL to 1? That sounds risky!
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Nan
23 days ago
I disagree, PAP isn't secure enough for this.
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Georgeanna
28 days ago
Definitely go for option B, VLANs are a must!
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Glory
1 month ago
Only allowing outbound traffic sounds like a solid plan!
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Naomi
1 month ago
Surprised that some people still overlook antivirus on management servers.
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Matthew
1 month ago
802.1X is a must-have for authentication, totally agree!
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Erick
2 months ago
Not sure about PAP, seems outdated for security.
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Velda
2 months ago
Definitely go for option B, a separate management VLAN is key!
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Sharika
2 months ago
I think limiting outbound traffic from the management LAN could help, but I wonder if it might cause issues with legitimate traffic.
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Tomas
2 months ago
Implementing 802.1X for authentication sounds familiar, but I can't quite remember how it works in this context.
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Delila
2 months ago
I'm not entirely sure about PAP; I think it might not be secure enough for our needs, but I recall it being mentioned in a practice question.
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Dallas
4 months ago
I remember we discussed VLANs in class, and creating a separate management VLAN seems like a solid option to isolate the devices.
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