Linux
In order to increase the amount of memory available for a system, what is the maximum size of a swap partition (with kernel version 2.2.x)?

64MB
2GB
128MB
32MB

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Linux
The physical layer of a network

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

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