CWNP CWISA-102 Exam - Topic 3 Question 15 Discussion

Actual exam question for CWNP's CWISA-102 exam

Question #: 15
Topic #: 3

[All CWISA-102 Questions]

What modulation is used by LoRa?

AOFDMA

BCSS

CASK

DOFDM

Show Suggested Answer

Suggested Answer: B

Captive Portals for Guest Access:These are web pages that intercept users' requests before granting full internet access. They often require agreeing to terms, entering basic information, or viewing ads.

Hospitality Fit:Captive portals are simple to deploy, require minimal user setup, and provide control for the hospitality provider (e.g., usage limits).

Why Other Options Are Less Common:

NTLM:Microsoft authentication, mainly for corporate networks, too complex for casual guest use.

Kerberos:Complex authentication for enterprise, overkill for guest Wi-Fi

SIM Cards:Used in cellular devices, not for general Wi-Fi access.

References:

Captive Portals:References of how they work and their use cases.

Guest Wi-Fi in Hospitality:Best practices highlight the prevalence of captive portals in this industry.

by Gladys at Aug 03, 2024, 02:25 PM

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Sheron

6 months ago

I thought it was something else, this is surprising!

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Bernardo

6 months ago

Yup, CSS is the way to go for long-range!

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Willodean

7 months ago

Wait, are you sure it's not OFDM?

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In

7 months ago

Totally agree, it's all about that Chirp Spread Spectrum!

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Shawana

7 months ago

LoRa uses CSS modulation.

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Vincenza

7 months ago

I recall that LoRa is not OFDM or ASK, so it must be CSS. I hope that's correct!

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Alyce

7 months ago

I'm a bit confused. I thought LoRa used OFDM, but now I'm second-guessing myself.

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Johna

8 months ago

I remember practicing a question about LoRa and I think it was definitely CSS. That sounds right to me.

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Gracie

8 months ago

I think LoRa uses some kind of spread spectrum modulation, but I'm not sure if it's CSS or something else.

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Roslyn

8 months ago

I remember learning about LoRa in one of my networking classes. If I recall correctly, it uses a variation of OFDM called Orthogonal Frequency-Division Multiple Access (OFDMA). I'm fairly confident that's the right answer.

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Vincent

8 months ago

Okay, let me think this through. LoRa is designed for IoT and sensor networks, so it likely uses a modulation scheme that is power-efficient and can handle long-range communication. I'm going to go with B, CSS.

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Louann

8 months ago

I'm pretty sure LoRa uses CSS, or Chirp Spread Spectrum modulation. That's one of the key features of LoRa technology.

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Luis

8 months ago

Hmm, I'm a bit unsure about this one. I know LoRa is a low-power wide-area network technology, but I can't recall the specific modulation technique off the top of my head.

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Elina

8 months ago

Okay, let me walk through this step-by-step. The question is asking about binding a physical sector to an AAU on a gNodeB, so I'm thinking the ADD SECTOR command might be the right one since it deals with sectors. But I could be wrong, so I'll have to double-check my notes.

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Domonique

8 months ago

I'm a bit confused by the question. Wouldn't it be easier to just use the ifconfig command instead of the ip command? I'm going to go with option B just to be safe.

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Junita

1 year ago

Hmm, I was leaning towards OFDM, but now that I think about it, CSS makes more sense for LoRa's low-power and low-data-rate requirements.

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Stefany

12 months ago

OFDM might be more common, but CSS fits the requirements of LoRa technology.

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Billye

1 year ago

I agree, CSS is better suited for low-power and low-data-rate applications.

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Ailene

1 year ago

I think CSS is the right modulation for LoRa.

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Tora

1 year ago

Definitely CSS. I remember reading about how the chirp signal in CSS helps LoRa achieve long range and good immunity to interference.

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Marya

1 year ago

Yes, the chirp spread spectrum modulation in LoRa is really effective for long range communication.

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Gilma

1 year ago

I agree, CSS modulation is key for LoRa's performance.

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Celia

1 year ago

I'm pretty sure LoRa uses Chirp Spread Spectrum (CSS) modulation. That's one of the key features that distinguishes it from other IoT communication protocols.

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