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Andrew S. Tanenbaum Edition 5th Exercise 7 Question 3 (Page No. 759)
Consider a situation in which a cyberterrorist makes all the DNS servers in the world crash simultaneously. How does this change one’s ability to use the Internet?
Consider a situation in which a cyberterrorist makes all the DNS servers in the worldcrash simultaneously. How does this change one’s ability to use the Internet?
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334
Andrew S. Tanenbaum Edition 5th Exercise 6 Question 43 (Page No. 610)
What is the bandwidth-delay product for a 50-Mbps channel on a geostationary satellite? If the packets are all 1500 bytes (including overhead), how big should the window be in packets?
What is the bandwidth-delay product for a 50-Mbps channel on a geostationary satellite?If the packets are all 1500 bytes (including overhead), how big should the windowbe...
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338
Andrew S. Tanenbaum Edition 5th Exercise 6 Question 36 (Page No. 609)
In a network whose max segment is 128 bytes, max segment lifetime is 30 sec, and has 8-bit sequence numbers, what is the maximum data rate per connection?
In a network whose max segment is 128 bytes, max segment lifetime is 30 sec, andhas 8-bit sequence numbers, what is the maximum data rate per connection?
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341
Andrew S. Tanenbaum Edition 5th Exercise 6 Question 33 (Page No. 609)
A TCP machine is sending full windows of 65,535 bytes over a 1-Gbps channel that has a 10-msec one-way delay. What is the maximum throughput achievable? What is the line efficiency?
A TCP machine is sending full windows of 65,535 bytes over a 1-Gbps channel thathas a 10-msec one-way delay. What is the maximum throughput achievable? What isthe line ef...
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347
Andrew S. Tanenbaum Edition 5th Exercise 6 Question 27 (Page No. 608)
In Fig. 6-36 we saw that in addition to the 32-bit acknowledgement field, there is an ACK bit in the fourth word. Does this really add anything? Why or why not?
In Fig. 6-36 we saw that in addition to the 32-bit acknowledgement field, there is anACK bit in the fourth word. Does this really add anything? Why or why not?
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349
Andrew S. Tanenbaum Edition 5th Exercise 6 Question 23 (Page No. 608)
Datagram fragmentation and reassembly are handled by IP and are invisible to TCP. Does this mean that TCP does not have to worry about data arriving in the wrong order?
Datagram fragmentation and reassembly are handled by IP and are invisible to TCP.Does this mean that TCP does not have to worry about data arriving in the wrongorder?
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355
Andrew S. Tanenbaum Edition 5th Exercise 6 Question 12 (Page No. 607)
In Figure 6-20, suppose a new flow E is added that takes a path from R1 to R2 to R6. How does the max-min bandwidth allocation change for the five flows?
In Figure 6-20, suppose a new flow E is added that takes a path from R1 to R2 to R6.How does the max-min bandwidth allocation change for the five flows?
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357
Andrew S. Tanenbaum Edition 5th Exercise 6 Question 9 (Page No. 607)
Why does the maximum packet lifetime, T, have to be large enough to ensure that not only the packet but also its acknowledgements have vanished?
Why does the maximum packet lifetime, T, have to be large enough to ensure that notonly the packet but also its acknowledgements have vanished?
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358
Andrew S. Tanenbaum Edition 5th Exercise 6 Question 8 (Page No. 607)
Why does the maximum packet lifetime, T, have to be large enough to ensure that not only the packet but also its acknowledgements have vanished?
Why does the maximum packet lifetime, T, have to be large enough to ensure that notonly the packet but also its acknowledgements have vanished?
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