Riverbed
101-01 · Question #185
When examining SMB connections which are SteelHead optimized, you notice that for each IP client and server pair, there are often two connections created ?one on destination port 139 and one on…
The correct answer is D. Clients often try to connect on port 139 and 445 simultaneously for compatibility reasons. Once. Clients try to connect to 139 and 445 at the same time. Whatever ports gets the first response will be used for communications.
Understand SteelHead Optimization Services
Question
When examining SMB connections which are SteelHead optimized, you notice that for each IP client and server pair, there are often two connections created ?one on destination port 139 and one on destination port 445. What is the reason for this?
Options
- AThis is because SMB2 and CIFS optimization are both enabled on the SteelHeads.
- BThe server must be ignoring or resetting connections on port 139, so the client tries again on port
- CThe server must be ignoring or resetting connections on port 445, so the client again on port 139.
- DClients often try to connect on port 139 and 445 simultaneously for compatibility reasons. Once
How the community answered
(32 responses)- A9% (3)
- B6% (2)
- C3% (1)
- D81% (26)
Explanation
Clients try to connect to 139 and 445 at the same time. Whatever ports gets the first response will be used for communications.
Topics
#SMB#CIFS#port 139#port 445
Community Discussion
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