QUESTION 11 Following is a screen shot from csunix. Answer questions 11-13. eychoudhuri@cunic- [lroychoudhuri@csunix -1$ netstat -an|grep :22 0 0.0.0. 0:22 0 72.18.165.85:22 0 72.18.165.85:22 O 72.18.165.85:22 0 72.18.165.85:22 tcp 0.0.0.0:* LISTEN tcp tcp tcp tcp 10.80.64.90:50533 ESTABLISHED 47.185.89.194:51078 ESTABLISHED 47.185.89.194:51163 ESTABLISHED 74.197.78.127:52435 ESTABLISHED What server is listening at port 22? Provide the acronym. QUESTION 12 The above is an example of one socket open for the listening port. O many sockets open for the listening port. O None of the above. QUESTION 13 The above is an example of connection-oriented demultiplexing. O True O False

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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QUESTION 11
Following is a screen shot from csunix. Answer questions 11-13.
eychoudhuri@csunic
[lroychoudhuri@csunix -]$ netstat -an|grep :22
0 0.0.0.0:22
0 72.18.165.85:22
0 72.18.165.85:22
O 72.18.165.85:22
O 72.18.165.85:22
tcp
0.0.0.0: *
LISTEN
tcp
10.80.64.90:50533
ESTABLISHED
tcp
tcp
47.185.89.194:51078
ESTABLISHED
47.185.89.194:51163
ESTABLISHED
tcp
74.197.78.127:52435
ESTABLISHED
What server is listening at port 22? Provide the acronym.
QUESTION 12
The above is an example of
one socket open for the listening port.
many sockets open for the listening port.
None of the above.
QUESTION 13
The above is an example of connection-oriented demultiplexing.
O True
O False
Transcribed Image Text:QUESTION 11 Following is a screen shot from csunix. Answer questions 11-13. eychoudhuri@csunic [lroychoudhuri@csunix -]$ netstat -an|grep :22 0 0.0.0.0:22 0 72.18.165.85:22 0 72.18.165.85:22 O 72.18.165.85:22 O 72.18.165.85:22 tcp 0.0.0.0: * LISTEN tcp 10.80.64.90:50533 ESTABLISHED tcp tcp 47.185.89.194:51078 ESTABLISHED 47.185.89.194:51163 ESTABLISHED tcp 74.197.78.127:52435 ESTABLISHED What server is listening at port 22? Provide the acronym. QUESTION 12 The above is an example of one socket open for the listening port. many sockets open for the listening port. None of the above. QUESTION 13 The above is an example of connection-oriented demultiplexing. O True O False
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