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Two neighbouring nodes (A and B) use a Go-Back-N protocol with a 3-bit sequence number and a window size of 4. Acknowledgments are cumulative. Assuming A is transmitting and B is receiving, in the figure below show the window positions for the following succession of events:
a) after A sends frames 0, 1, 2, 3 and before any acknowledgments from B are received
b) after A sends all new frames it is allowed to send following a successful reception of acknowledgment to frame 1
c) just after acknowledgment to frame 2 arrives (but before any more frames are sent) Use diagonal crosses to show sequence numbers of packets sent but not yet acknowledged, and circles to show sequence numbers of packets node A is allowed to send
The combinational circuits use the comparators for comparing the storing and number them on the basis of minimum and maximum functions. Likewise, in the interconnection networks th
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Urgent Pointer This 16 bite which is valid only f the urgent flag is set is used when the segment contains urgent data. If defines the number that must be added t
How could a VPN be used to facilitate secure remote administration of a server?
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802.11g OFDM a) Uses OFDM with same 2.4 GHz band b) Achieves a 54-Mbps data rate c) Works with same 802.11b equipment
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