If a switch has eight 100-Mbps ports the backplane has to support a total of ___

Question

If a switch has eight 100-Mbps ports the backplane has to support a total of _____ Mbps. a. 200 b. 400 c. 600 d. 800 One of the more interesting applications for a dedicated segment network and a switch is a _____ a. virtual LAN b. dedicated LAN c. shared LAN d. local LAN If a 7-bit sliding window size is used, how many packets can be sent before the transmitter has to stop and wait for an acknowledgment? a. 7 b. 8 c. 127 d. 128 In a sliding window error control system, Station A sends a packet with bytes 501-700, followed immediately by a packet with bytes 701-900. Create a diagram of this error control scenario and show the response(s) that Station B will send if the second packet is lost in the network. a. The receiver immediately returns an ACK with value 701. b. The receiver returns an ACK with value 701 after waiting for 500 ms. c. The receiver immediately returns an ACK with value 700. d. The receiver returns an ACK with value 700 after waiting for 500 ms. What is the decibel loss of signal that loses 40% its power during the course of transmission? a. -3.98 dB b. -3.00 dB c. -2.22 dB d. -2.00 dB

Explanation / Answer

50. Backpane has to support 800 Mbps. So answer is D

51. Creating a virtual lan. Answer A.

52. B 8

53

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