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?

VPN
Cable
xDSL
HDLC
IPSec

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Computer Networking
Terminals are used to

collect data from the physical system
All of these
None of these
communicate management decisions to the physical system
provide information for the manager

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