CWICP-202 exam

Which wireless IoT technologies utilize spread spectrum techniques for communication? (Select two)A . ZigbeeB . LoRaWANC . BluetoothD . Wi-FiView AnswerAnswer: AB

Which of the following is a common threat to wireless IoT networks?A . Physical damageB . EavesdroppingC . OverheatingD . Data redundancyView AnswerAnswer: B

Which layer is responsible for ensuring reliable communication between IoT devices and applications in wireless IoT?A . Data Link LayerB . Network LayerC . Transport LayerD . Application LayerView AnswerAnswer: C

Which of the following is a key function of the MAC layer in IoT devices using Wi-Fi?A . Data encryptionB . Modulation and demodulationC . Packet framing and error checkingD . Carrier sense and collision avoidanceView AnswerAnswer: D

Which technologies primarily focus on low power consumption at the PHY layer for IoT devices? (Select two)A . BLEB . Wi-Fi 6C . NB-IoTD . 5GView AnswerAnswer: AC

Which wireless IoT technologies utilize the IEEE 802.15.4 PHY standard? (Select two)A . ZigbeeB . Wi-Fi 6C . LoRaWAND . ThreadView AnswerAnswer: AD

Which of the following are key principles of IoT security? (Select two)A . ConfidentialityB . IntegrityC . Data replicationD . Signal strengthView AnswerAnswer: AB

Which wireless IoT technologies use the IEEE 802.15.4 MAC standard? (Select two)A . ZigbeeB . Wi-FiC . ThreadD . LoRaWANView AnswerAnswer: AC

Which MAC layer protocols are used in wireless IoT communication? (Select two)A . CSMA/CAB . AES-256C . FHSSD . TDMAView AnswerAnswer: AD

When planning a wireless IoT solution for a large industrial site, what is a key consideration for ensuring reliable connectivity?A . Using only low-power communication protocolsB . Placing wireless access points to ensure complete coverage and redundancyC . Minimizing the number of devices connected to the networkD . Reducing the...