Computer Knowledge

Internet of Things and Applications

2,876 Questions

Internet of Things (IoT) questions cover the connectivity of devices, cloud platforms, and sensor networks. Topics include IoT security, data analytics, short-range wireless technologies, and low-power applications. These concepts are vital for computer knowledge sections in various competitive exams.

IoT ConnectivityIoT SecurityData AnalyticsCloud PlatformsWireless Technology

Internet of Things and Applications Questions

Multiple choice

What is the most important thing to do if you suspect that an IoT device has been compromised?

  1. Disconnect the device from the network.

  2. Change the device's password.

  3. Factory reset the device.

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

If you suspect that an IoT device has been compromised, it is important to disconnect the device from the network, change the device's password, and factory reset the device.

Multiple choice

What is the best way to report an IoT security incident?

  1. Contact the device manufacturer.

  2. Contact the vendor that sold you the device.

  3. Contact the government.

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

To report an IoT security incident, it is important to contact the device manufacturer, the vendor that sold you the device, and the government.

Multiple choice

Which IoT connectivity technology is best suited for devices with low power consumption and long range requirements?

  1. Wi-Fi

  2. Bluetooth

  3. Cellular

  4. LoRaWAN
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

LoRaWAN is a low-power wide-area network (LPWAN) technology that is specifically designed for IoT devices with low power consumption and long range requirements.

Multiple choice

Which security measure is essential for protecting IoT devices from unauthorized access?

  1. Strong passwords

  2. Encryption

  3. Firewalls

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Strong passwords, encryption, and firewalls are all essential security measures for protecting IoT devices from unauthorized access.

Multiple choice

Which IoT connectivity technology is best suited for devices that require high bandwidth and low latency?

  1. Wi-Fi

  2. Bluetooth

  3. Cellular

  4. Ethernet
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Ethernet is a wired connectivity technology that provides high bandwidth and low latency, making it ideal for devices that require high-speed data transfer.

Multiple choice

Which network management tool can be used to monitor and manage IoT devices remotely?

  1. Network management system (NMS)

  2. Remote monitoring and management (RMM) tool

  3. IoT platform

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Network management systems (NMS), remote monitoring and management (RMM) tools, and IoT platforms can all be used to monitor and manage IoT devices remotely.

Multiple choice

Which IoT connectivity technology is best suited for devices that require mobility and seamless connectivity?

  1. Wi-Fi

  2. Bluetooth

  3. Cellular

  4. All of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Cellular technology provides mobility and seamless connectivity, making it ideal for devices that need to be able to move around and stay connected.

Multiple choice

Which security measure is essential for protecting IoT devices from malware and other cyber threats?

  1. Antivirus software

  2. Firewalls

  3. Intrusion detection systems (IDS)

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Antivirus software, firewalls, and intrusion detection systems (IDS) are all essential security measures for protecting IoT devices from malware and other cyber threats.

Multiple choice

Which network optimization technique can be used to reduce the power consumption of IoT devices?

  1. Power saving mode

  2. Adaptive power management

  3. Duty cycling

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Power saving mode, adaptive power management, and duty cycling are all network optimization techniques that can be used to reduce the power consumption of IoT devices.

Multiple choice

Which IoT connectivity technology is best suited for devices that require ultra-low power consumption and long range?

  1. Wi-Fi

  2. Bluetooth

  3. Sigfox

  4. All of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Sigfox is a low-power wide-area network (LPWAN) technology that is specifically designed for IoT devices with ultra-low power consumption and long range requirements.

Multiple choice

Which security measure is essential for protecting IoT devices from denial-of-service (DoS) attacks?

  1. Firewalls

  2. Intrusion detection systems (IDS)

  3. Rate limiting

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Firewalls, intrusion detection systems (IDS), and rate limiting are all essential security measures for protecting IoT devices from denial-of-service (DoS) attacks.

Multiple choice

Which network management tool can be used to provision and configure IoT devices remotely?

  1. Network management system (NMS)

  2. Remote monitoring and management (RMM) tool

  3. IoT platform

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Network management systems (NMS), remote monitoring and management (RMM) tools, and IoT platforms can all be used to provision and configure IoT devices remotely.

Multiple choice

Which IoT connectivity technology is best suited for devices that require high reliability and low latency?

  1. Wi-Fi

  2. Bluetooth

  3. Cellular

  4. Ethernet
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Ethernet is a wired connectivity technology that provides high reliability and low latency, making it ideal for devices that require mission-critical applications.

Multiple choice

Which security measure is essential for protecting IoT devices from man-in-the-middle (MITM) attacks?

  1. Strong passwords

  2. Encryption

  3. Certificate authorities (CAs)

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Strong passwords, encryption, and certificate authorities (CAs) are all essential security measures for protecting IoT devices from man-in-the-middle (MITM) attacks.

Multiple choice

Which network optimization technique can be used to improve the performance of IoT devices in a noisy environment?

  1. Error correction coding

  2. Adaptive modulation and coding

  3. Channel bonding

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Error correction coding, adaptive modulation and coding, and channel bonding are all network optimization techniques that can be used to improve the performance of IoT devices in a noisy environment.