9. On the EIA-232 connector, the DCE (data circuit-terminaining equipment) trans
ID: 3919440 • Letter: 9
Question
9. On the EIA-232 connector, the DCE (data circuit-terminaining equipment) transmits data over pin b) 3 c) 4 10. In sliding window flow control, which of the following is not correct? a) When the left-wall and middle-wall are b) located at the same place, all the frames sent have been acknowledged When the middle-wall and right-wall are located at the same place, no frame can be sent before receiving acknowledgment. c) All the frames to the left of the left-wall have All the frames to the right of the right-wall been sent and have not been acknowledged yet. have not been sent vet. 11. Router B receives an update from router A that indicates Net1 is two (2) hops away from A, so B updates its routing table by letting A be the next hop for Net1. The next update from A says Net1 is five (5) hops away from A. What hop value is entered in B's routing table for Net1? Assume the basic RIP is being used b) 3 d) 6 c) 5 12. A periodic signal completes one cycle in 0.02 second. What is the frequency? a) 0.02 Hz c) 50 Hz b) 2 Hz d) 200 HzExplanation / Answer
Answer)
9) It transmits the pin 5 on the DCE device which is referred as the request to send.
10) c) All the frames to the left of the left wall have been sent and have not been acknowledged yet.
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