CWNP Exam CWISA-102 Topic 2 Question 12 Discussion

Actual exam question for CWNP's CWISA-102 exam

Question #: 12
Topic #: 2

[All CWISA-102 Questions]

What is the most common difference between a single board computer (SBC) and a controller board?

ASBCs typically have connectors for display and input devices while controller boards do not

BController boards have I/O headers and SBCs do not

CSBCs always have connectors for M2 devices and controller boards do not

DController boards have more powerful processors than most SBCs

Show Suggested Answer

Suggested Answer: A

Bottom-Up Troubleshooting:The OSI model provides a structured diagnostic approach. Starting at Layer 1 ensures basic physical connectivity issues are ruled out first.

MQTT Relies on IP:MQTT operates at a higher layer of the OSI model, relying on TCP/IP (Layers 4 and 3) for communication. Problems at the physical layer will disrupt everything built upon it.

Checking the Fundamentals:Before investigating complex application issues (MQTT), verify cables, link lights, Wi-Fi signal strength, etc.

References:

OSI Model:Descriptions of the seven layers, emphasizing the foundation provided by Layer 1 (Physical).

Network Troubleshooting Guides:Resources that outline common Layer 1 problems and their symptoms.

by Xuan at Jun 28, 2024, 02:40 PM

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Marlon

1 months ago

Nah, I'm pretty sure the answer is that controller boards have I/O headers and SBCs don't. That's the classic distinction between the two. Although, you know what they say, 'If you can't dazzle them with brilliance, baffle them with bulls**t!'

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Harrison

1 months ago

I think you're right, controller boards have I/O headers.

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Pa

2 months ago

Hey, I've heard that controller boards always have connectors for M2 devices, and SBCs don't. That must be the key difference, right? (Although, to be honest, I'm not even sure what an M2 device is...)

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Stevie

13 days ago

D) Controller boards have more powerful processors than most SBCs

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Pearly

16 days ago

C) SBCs always have connectors for M2 devices and controller boards do not

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Thad

18 days ago

C) SBCs always have connectors for M2 devices and controller boards do not

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Raylene

1 months ago

B) Controller boards have I/O headers and SBCs do not

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Laurel

1 months ago

B) Controller boards have I/O headers and SBCs do not

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Aileen

1 months ago

A) SBCs typically have connectors for display and input devices while controller boards do not

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Shaunna

1 months ago

A) SBCs typically have connectors for display and input devices while controller boards do not

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Rebeca

2 months ago

Hmm, I'm not sure about that. I think the main difference is that controller boards have more powerful processors than most SBCs. That's why they're often used in industrial and embedded applications.

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Giovanna

24 days ago

B) Controller boards have I/O headers and SBCs do not

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Yvonne

2 months ago

A) SBCs typically have connectors for display and input devices while controller boards do not

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Tien

2 months ago

I think the most common difference is that SBCs typically have connectors for display and input devices, while controller boards do not. This makes SBCs more versatile for general-purpose computing.

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