Computer Networking
Which of the following describes an industry-wide standard suite of protocols and algorithms that allows for secure data transmission over an IP-based network that functions at the layer 3 Network layer of the OSI model?

IPSec
xDSL
HDLC
Cable
VPN

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Computer Networking
Terminals are required for

realtime, timesharing, and message switching
realtime, batch processing, and timesharing
None of these
realtime, timesharing, and distributed processing
realtime, distributed processing, and manager inquiry

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