Question: 1. A factor in the delay of a store-and-forward packet-switching system is how long it takes to store and forward a packet through a switch.

1. A factor in the delay of a store-and-forward packet-switching system

is how long it takes to store and forward a packet through

1. A factor in the delay of a store-and-forward packet-switching system is how long it takes to store and forward a packet through a switch. If the switching time for a switch is 100 uses, and there are 50 switches in a client server system where the client is in New York and the server is in California, what is the ratio of switching time to the time it takes the signal to travel from NY to CA. Assume the propagation speed in copper and fiber to be 2/3 the speed of light in a vacuum. (A) 2% (B) 5% (c) 20% (d) none of the above 4. A building announcement system is an example of which system? (A) Half duplex (B) Full Duplex (C) Simplex 5. The following bytes are transmitted as the payload of a frame 55 7E 98 CE OF 5E. Show the complete frame using byte count framing. 6. In question #5, the FLAG byte is 7E and the ESC character is 98. Show the complete frame using Byte stuffing

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