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Which of the following utilities send their information in clear text on a network?
FTP (file transfer protocol)
All of these
RSH (remote shell)
Telnet
RSH and rlogin are not secure for network use, because they send unencrypted information over the network. Some implementations also authenticate by sending unencrypted passwords over the network. RSH has largely been replaced with the secure shell (SSH) program, even on local networks.
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