Advanced Networking final

Masters Computer Science @ ETSU Spring 2019

8 flashcards · Computer Science · by zackbunch

1. What year was bluetooth version 1 released?

   Bluetooth version 1 was released in 1999.

2. What is the name of the organization that founded bluetooth, currently owns the bluetooth trademark, controls bluetooth research and development, and licenses marketing?

   Bluetooth Special Interest Group (SIG)

3. What Band frequency (i.e., GHz) does bluetooth operate?

   2.4 GHz

4. What ways can you avoid interference with Wi-Fi?

   1) Time Division Multiplexing (TDM) 2) Use 5GHz Wi-Fi

5. Which frequency-shift keying filter algorithm does bluetooth use?

   Gaussian filter Differential filter

6. What is Edge Computing? Why is it important for the Internet of things?

   Edge computing occurs when an edge device is between data source and cloud services. Computations can be performed on edge device, faster and free up bandwidth. Edge computing is important for the internet of things due to the success of cloud computing, the rapid growth of devices connecting to IoT.

7. Describe some problems with and challenges associated with Edge computing.

   Programmability Current solutions custom made Need frameworks Naming No current standard for name edge devices Hard for edge devices to be found Privacy and Security Hackers can gather info from IoT devices with poor security Need to ensure encryption of data on network and edge devices

8. Describe the DSRC Protocol stack for both safety and non-safety applications.