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Quiz Bluetooth IoT

Jason Burger 13 Fragen

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Fragen in diesem Quiz (13)

  1. 1What is the range estimator demo?
    1. AA demo that shows how to estimate the range of a Bluetooth device
    2. BA demo that shows how to estimate the battery life of a Bluetooth device
    3. CA demo that shows how to estimate the data transfer speed of a Bluetooth device
    4. DA demo that shows how to estimate the signal strength of a Bluetooth device
  2. 2What is a mesh network?
    1. AA style of computer networking where all network devices are connected directly to every other device.
    2. BA network design where all computers are connected in a circular fashion, with the last device connecting back to the first.
    3. CA type of network where all devices connect to a central hub or switch.
    4. DA network design where only one computer is connected to the internet and all other devices must go through it.
  3. 3What is BLE?
    1. ABasic Language Extension
    2. BBinary Logic Encoding
    3. CBluetooth Low Energy
    4. DBaseband Link Encryption
  4. 4What is the maximum range of traditional/classic Bluetooth technology?
    1. A10 meters
    2. B50 meters
    3. C100 meters
    4. D500 meters
  5. 5What is true about lossless compression?
    1. ARemoving unnecessary or less important information
    2. BHuffman Encoding
    3. CArithmetic encoding
    4. DLC3 codec for BLE 5.2
    5. EZip files
    6. FMp3 for audio files
  6. 6Which 3 steps are part of Low Energy Bluetooth connection setup?
    1. ADevice discovery
    2. BSlave sends the address to the master
    3. CMaster connects to the slave
    4. DData exchange
  7. 7Mesh Networking Advantages
    1. AMesh networks are less scalable than point-to-point networks.
    2. BMultiple paths to destination – greater flexibility against
      interference.
    3. CAllows overall network to grow to larger physical sizes than
      possible with point-to-point networks.
    4. DIn a mesh network, each device can only connnect to one other device, limiting flexibility and resilience
    5. EAllows devices to communicate to multiple other devices in the
      network
  8. 8Mesh characteristics
    1. ASelf forming
    2. BSelf-healing
    3. CSelf-destructive
    4. DSelf-broadcastive
    5. ETjena allt bra eller?
  9. 9What is true about bluetooth?
    1. AIt is a wireless technology standard for exchanging data over short
      distances from fixed or mobile devices
    2. BIt is Developed and managed by Bluetooth Special Interest Group (SIG)
    3. CIt is Named after Harald Blåtand
    4. DIt operates in the free 2.4 GHz band, with around 80 MHz bandwidth
    5. EBluetooth technology was developed and is managed by the Wi-Fi Alliance.
    6. FAdaptive Frequency Hopping for robustness (Eighty 1MHz channels)
    7. GBluetooth operates in the free 5 GHz band, similar to some Wi-Fi networks.
    8. HBluetooth uses a static frequency for data transmission, rather than changing frequencies
  10. 10What phrases is true about bluetooth low energy?
    1. ASimple and easy to use model, Small bursts of data (lower duty cycle), Impressive battery life
    2. BState of the Art encryption, Impressive battery life.
    3. CUnlimited number of slaves connected to a master, small bursts of data (lower duty cycle), requires constant recharging.
    4. DUnlimited number of masters, Unlimited number of slaves connected to a master, Able to discover thousands of devices in local area
    5. ECompatible with all major platforms (iOS, Android, Windows, Linux), Faster connection, Low cost.
    6. FSecurity including privacy/authentication/authorization

Informationen

Beschreibung
based on two bluetooth/ioT PDF:s
Sprache
English
Aufrufe
32
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