The following is a TCP packet captured by Tcpdump. If an acknowledgement is sent from port 32772 to 33635 to acknowledge the data received from port 33635, what would be the acknowledgement number?  16:23:01.079553 churchward.erg.abdn.ac.uk.33635 > gordon.erg.abdn.ac.uk.32772: P 12765:12925(160) ack 19829 win 24820 (DF)

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question 16  
 

The following is a TCP packet captured by Tcpdump. If an acknowledgement is sent from port 32772 to 33635 to acknowledge the data received from port 33635, what would be the acknowledgement number? 

16:23:01.079553 churchward.erg.abdn.ac.uk.33635 > gordon.erg.abdn.ac.uk.32772: P 12765:12925(160) ack 19829 win 24820 (DF)

 
Question options:
 

12765

 

12925

 

12926

 

12766

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