Which of the following devices takes data sent from one network device and forwards it to the destination node based on MAC address?

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Which of the following devices takes data sent from one network device and forwards it to the destination node based on MAC address?

1.Hub

2.Switch

3.Gateway

4.Modem

Posted Date:-2022-06-17 05:51:26

More MCQS Questions and answers

  1. _____ signals can have an infinite number of values in a range.
  2. A _________ sine wave is not useful in data communications; we need to send a _______ signal
  3. A sine wave is ________.
  4. For a ______ channel, the Nyquist bit rate formula defines the theoretical maximum bit rate.
  5. For a ______ channel, we need to use the Shannon capacity to find the maximum bit rate.
  6. If the bandwidth of a signal is 5 KHz and the lowest frequency is 52 KHz, what is the highest frequency?
  7. If the bandwidth of a signal is 5 KHz and the lowest frequency is 52 KHz, what is the highest frequency?
  8. The _____ of a composite signal is the difference between the highest and the lowest frequencies contained in that signal.
  9. The _________ product defines the number of bits that can fill the link.
  10. The physical layer is concerned with the movement of _______ over the physical medium.
  11. The term ......... describes the position of the waveform relative to time 0.
  12. Unipolar, bipolar, and polar encoding are types of _______ encoding. a. line b. block c. NRZ d. Unipolar, bipolar, and polar encoding are types of _______ encoding.
  13. __ is a type of transmission impairment in which an outside source such as crosstalk corrupts a signal.
  14. __ is a type of transmission impairment in which the signal loses strength due to the different propagation speeds of each frequency that makes up the signal.
  15. ___ describes the position of the waveform relative to time 0.
  16. ______ can impair a signal.
  17. _______ data are continuous and take continuous values.
  18. _______ data have discrete states and take discrete values.
  19. _______ encoding has a transition at the middle of each bit.
  20. _______ is a type of transmission impairment in which the signal loses strength due to the resistance of the transmission medium.
  21. _______ signals can have only a limited number of values.
  22. _______is the rate of change with respect to time.
  23. A periodic signal completes one cycle in 0.001 s. What is the frequency?
  24. A signal is measured at two different points. The power is P1 at the first point and P2 at the second point. The dB is 0. This means ________.
  25. A sine wave in the ______ domain can be represented by one single spike in the _____ domain.
  26. A(n)_________ signal is a composite analog signal with an infinite bandwidth.
  27. As frequency increases, the period ________.
  28. Baseband transmission of a digital signal is possible only if we have a ____ channel.
  29. Baud means?
  30. Before data can be transmitted, they must be transformed to ________.
  31. Data can be ________. d. none of the above
  32. Frequency and period are ______.
  33. Given two sine waves A and B, if the frequency of A is twice that of B, then the period of B is ________ that of A.
  34. If the available channel is a ____ channel, we cannot send a digital signal directly to the channel.
  35. If the maximum amplitude of a sine wave is 2 V, the minimum amplitude is ________ V.
  36. In a frequency-domain plot, the horizontal axis measures the ________.
  37. In a time-domain plot, the horizontal axis is a measure of ________.
  38. In asynchronous serial communication the physical layer provides
  39. physical layer provides
  40. Signals can be ________.
  41. The _______ is the physical path over which a message travels.
  42. The physical layer concerns with
  43. The physical layer is responsible for
  44. The portion of physical layer that interfaces with the media access control sublayer is called
  45. Unipolar, bipolar, and polar encoding are types of _______ encoding.
  46. What is the bandwidth of a signal that ranges from 1 MHz to 4 MHz?
  47. When propagation speed is multiplied by propagation time, we get the ________.
  48. which of the following devices is used to connect different network segments and manage the traffic between them?
  49. Which of the following devices takes data sent from one network device and forwards it to all devices on the network regardless of the intended recipient?
  50. Which of the following devices takes data sent from one network device and forwards it to the destination node based on MAC address?
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