preparing for ccnp routing

[HIACI-711]

i need your help regarding this question:

Refer to the following configuration command.
router(config)# ip nat inside source static tcp 172.16.10.8 8080 172.16.10.8 80
Which statement about the command is true?

A. Any packet that is received in the inside interface with a source IP port address of
172.16.10.8:80 is translated to 172.16.10.8:8080.
B. Any packet that is received in the inside interface with a source IP port address of
172.16.10.8:8080 is translated to 172.16.10.8:80.
C. The router accepts only a TCP connection from port 8080 and port 80 on IP address
172.16.10.8.
D. Any packet that is received in the inside interface with a source IP address of 172.16.10.8
is redirected to port 8080 or port 80.

here some people it say the correct answer is A but i think it B 

please can any one advice. 

[Wayne DeNardi]

You have posted your question in the TelePresence section of the forums which are not really thie right place for this discussion.  I'd suggest that you move your discussion over to somewhere like the WAN, Routing and Switching section of the forums where these things are more actively discussed.  (You can do this by editing your original post and changing the category at the bottom).

Alternately, I'd suggest you go look over on the Cisco Learning Network.

PS - See Page 8 of this document for the answer to your question: 13772-12.pdf

Wayne
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[HIACI-711]

many thanks wayne