Use the following diagram of Sliding Window to answer the questions 6-10 199 201
ID: 3902070 • Letter: U
Question
Use the following diagram of Sliding Window to answer the questions 6-10
199
201
203
209
7. Which byte has been sent but NOT acknowledged?
199
201
203
209
8. Which byte is NOT ready to be sent? (for flow control)
199
201
203
209
9. If the congestion window size is 20, what is the receiver window size (rwnd)?
8
9
>10
None of the above
10. Assuming the rwnd size deternine in the earlier question, if the congestion window size was now reduced to 4, what is the value of the sliding window now?
4
8
9
None of the above
11. What is the problem of the Silly Window Syndrome?
Lost packets
Ineffective use of network bandwidth (resource)
Out of sequence delivery
Unreliable data transfer
12. What problem does the Nagle’s solution attempt to solve with respect to the Silly Windows Syndrome?
Reduce latency time with sending out data
More efficiently utilize the network bandwidth and resouces
Reduce router table size
Perform error correction
13. What is the “cost of” of implementing the Nagle’s solution?
increases latency time with sending out data
inefficiently utilizes the network bandwidth and resouces
increases the router table size
allows errors to go uncorrected
14. Which of the following will trigger a retransmission?
Retransmission Time Out (RTO)
A special control message from the receiver
Two duplicate ACK segments
None of the above
15. Which of the following is a correct statement of slow start for TCP congestion control?
Increase cwnd by one MSS for each segment acknowledged
Increase cwnd by a random number after each ACK
Increase cwnd by one for each ACK
None of the above
6. Which byte has been sent and acknowledged? Use the following diagram of Sliding Window to answer the questions 6-10 Sliding Window 199 200 201 202 203204 205 206 207 208 209210 Next ByteExplanation / Answer
Please Note: As per Chegg Policy, Please post Separate Posts for Separate Questions. Answered 4 questions from the above Questionnaire.
6. Which byte has been sent and acknowledged?
199
201
203
209
Answer)
Byte 199 is sent and acknowledged
7. Which byte has been sent but NOT acknowledged?
199
201
203
209
Answer)
Byte 201 has been sent but NOT acknowledged
8. Which byte is NOT ready to be sent? (for flow control)
199
201
203
209
Answer)
Byte 209 is not ready to be sent.
What is the problem of the Silly Window Syndrome?
Lost packets
Ineffective use of network bandwidth (resource)
Out of sequence delivery
Unreliable data transfer
Answer)
Ineffective use of network bandwidth (resource) - This is the reason for the Silly Syndrome.
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