
Unit-2 MCQ
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Other
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University
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Practice Problem
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Hard
Prasath N
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of IoT data management?
To discover usage patterns and identify weaknesses in connected devices
To create the best connected products possible
To understand users' needs and predict asset wear
To predict asset wear and enable resource efficiency
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the key benefit of data validation in the M2M era?
Creating effective systems
Ensuring data consistency
Preventing security breaches
Enabling resource efficiency
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a staging area in data processing?
To manage the rate of data flow in the network
To directly communicate with the distributed systems
To store data for further processing during ETL
To provide authentication and authorization for data access
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which IEEE standard is commonly known as Wi-Fi?
IEEE 802.15.4
IEEE 802.11
IEEE 802.15.4e
IEEE 802.15.4g
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the range of IEEE 802.15.4 for LR-WPANs?
Up to 100 meters
Up to 10 kilometers
Up to 10 meters
Up to 1 kilometer
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of IEEE 802.15.4e Low Energy (LE) mechanism?
To trade latency for energy efficiency
To provide high data rates
To ensure long-range communication
To support multi-hop communication
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which IEEE 802.15.4e enhancement allows the creation of application-specific frames?
Information Elements (IE)
Enhanced Beacons (EB)
Multipurpose Frame
MAC Performance Metric
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