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Which Layer 7 application-secure protocol does not secure ALL data on WLAN hotspots?
HTTP
SFTP
HTTPS
SCP
HTTPS is the most secure and convenient way to secure data on WLAN hotspots. EDIT: HTTPS only secures browser based traffic. It does not secure all traffic. SCP and SFTP both secure other types of traffic. Further this question doesn't change for wired connections. This is a cryptography/network fundamentals question, not a wifi specific question. I changed the question to a not. Additionally, when the question is asking about Layer 7 application-secure protocol, HTTP would not be a valid option, would it?
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