Why are telnet and ftp services increasingly disabled on most networks? What are they being replaced with? O Password in both is sent in clear text, which is in secure. Secure Shell (SSH), which uses encryption, is used. O Telnet and ftp are inefficient. Web based http is efficient and hence is used O Telnet and ftp work only on alike systems. Web based applications work on systems and hence is used. O Telnet and ftp work only on Internet. Web based applications work on computers and hence is used.