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Exam 312-50v11 All Questions

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Exam 312-50v11 topic 1 question 246 discussion

Actual exam question from ECCouncil's 312-50v11
Question #: 246
Topic #: 1
[All 312-50v11 Questions]

George is a security professional working for iTech Solutions. He was tasked with securely transferring sensitive data of the organization between industrial systems. In this process, he used a short-range communication protocol based on the IEEE 203.15.4 standard. This protocol is used in devices that transfer data infrequently at a low rate in a restricted area, within a range of 10-100 m.
What is the short-range wireless communication technology George employed in the above scenario?

  • A. LPWAN
  • B. MQTT
  • C. NB-IoT
  • D. Zigbee
Show Suggested Answer Hide Answer
Suggested Answer: D 🗳️
by netloony at June 6, 2021, 6:25 p.m.

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Highly Voted 2 years, 3 months ago
isn't it IEEE 802.15.4 ?
upvoted 8 times
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calin2020
Highly Voted 2 years, 5 months ago
Zig-Bee: This is another short-range communication protocol based on the IEEE 203.15.4 standard. Zig-Bee is used in devices that transfer data infrequently at a low rate in a restricted area and within a range of 10–100 m.
upvoted 8 times
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victorfs
Most Recent 7 months, 3 weeks ago
Selected Answer: D
The correct option is D. Zigbee 10-100
upvoted 1 times
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bakovan
12 months ago
Wireless Standards Amendments | Frequency(GHz) | Modulation | Speed (Mbps) | Range (Meters) | 802.15.4 | 0.868, 0.915, | O-QPSK, GFSK, | 0.02, 0.04, 0.25 | 1-100 (ZigBee) | 2.4 | BPSK | The 802.15.4 standard has a low data rate and complexity. The specification used in this standard is ZigBee, which transmits long-distance data through a mesh network. The specification handles applications with a low data rate of 250 Kbps, but its use increases battery life. SG v12 pp. 2371-2373
upvoted 2 times
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Daniel8660
1 year, 2 months ago
Selected Answer: D
802.15.4 (ZigBee): The 802.15.4 standard has a low data rate and complexity. 1 - 100M. (P.2188/2172)
upvoted 3 times
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Gerasz87
1 year, 8 months ago
https://www.electronicdesign.com/technologies/wireless/article/21796046/whats-the-difference-between-ieee-802154-and-zigbee-wireless
upvoted 1 times
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andrewdh
2 years, 2 months ago
should be 802.15.4 for Zigbee , bluetooth is 802.15.1
upvoted 3 times
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ANDRESCB1988
2 years, 5 months ago
correct
upvoted 1 times
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Giddie
2 years, 6 months ago
What the correct answer here between Zigbee and LPWAN?
upvoted 1 times
ivo6
2 years, 6 months ago
"The operating range of LPWAN technology varies from a few kilometers in urban areas to over 10 km in rural settings." Can't be LPWAN.
upvoted 5 times
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