Linux
In what file can you specify which users are not allowed to access a system via FTP?

/etc/ftpaccess
/etc/ftpusers
None of these
/etc/hosts.deny
All of these

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Linux
The physical layer of a network

All of these
defines the electrical characteristics of signals passed between the computer and communication devices
controls error detection and correction
None of these
constructs packets of data and sends them across the network

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