CWNP CWICP-202 問題練習

Question No : 1
Which wireless IoT technologies utilize the IEEE 802.15.4 PHY standard? (Select two)

• A.Zigbee
• B.Wi-Fi 6
• C.LoRaWAN
• D.Thread

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Question No : 2
What protocol is responsible for providing MAC layer security in IEEE 802.15.4 networks?

• A.Advanced Encryption Standard (AES)
• B.IP Security (IPsec)
• C.Transport Layer Security (TLS)
• D.Wi-Fi Protected Access (WPA2)

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Question No : 3
Which features are essential for an IoT communication protocol at the upper layers? (Select two)

• A.Low power consumption
• B.Data encryption
• C.Lightweight data transmission
• D.Network address translation

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Question No : 4
Which technologies primarily focus on low power consumption at the PHY layer for IoT devices? (Select two)

• A.BLE
• B.Wi-Fi 6
• C.NB-IoT
• D.5G

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Question No : 5
What are common troubleshooting techniques for dealing with intermittent IoT device connectivity? (Select two)

• A.Reducing the number of connected devices
• B.Rebooting the gateway
• C.Analyzing signal interference
• D.Disabling firewalls

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Question No : 6
Which upper-layer protocols are commonly used in IoT applications for communication? (Select two)

• A.CoAP
• B.TCP
• C.MQTT
• D.FTP

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Question No : 7
Which of the following is a primary advantage of Wi-Fi HaLow over traditional Wi-Fi for IoT applications?

• A.Higher data rates
• B.Longer range and lower power consumption
• C.Improved security features
• D.Compatibility with all existing IoT protocols

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Question No : 8
Which of the following methods can be used to protect wireless IoT networks from Denial of Service (DoS) attacks?

• A.Implementing firewalls
• B.Using low power modes
• C.Reducing signal strength
• D.Disabling encryption

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Question No : 9
What is the first step in troubleshooting an IoT device that fails to connect to a wireless network?

• A.Restart the device
• B.Check the network signal strength
• C.Perform a firmware update
• D.Replace the device battery

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Question No : 10
Which strategies help mitigate connectivity issues in wireless IoT networks? (Select two)

• A.Reducing transmission power
• B.Deploying more access points
• C.Optimizing network bandwidth
• D.Disabling encryption

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Question No : 11
Which of the following are characteristics of Zigbee in IoT applications? (Select two)

• A.Low power consumption
• B.High bandwidth
• C.Short range
• D.Long range

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Question No : 12
Which of the following IoT connectivity technologies is most commonly used in industrial environments due to its high reliability and deterministic nature?

• A.Zigbee
• B.Wi-Fi
• C.ISA100
• D.Bluetooth

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Question No : 13
Which wireless IoT technologies utilize spread spectrum techniques for communication? (Select two)

• A.Zigbee
• B.LoRaWAN
• C.Bluetooth
• D.Wi-Fi

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Question No : 14
Which features enhance the security of IoT devices? (Select two)

• A.Secure boot
• B.Mutual authentication
• C.Data redundancy
• D.Shorter packet transmission times

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Question No : 15
Which of the following IoT wireless technologies operates in the unlicensed 2.4 GHz band?

• A.Sigfox
• B.Zigbee
• C.LoRaWAN
• D.5G

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