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
HDLC
Cable
VPN
xDSL

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Computer Networking
You telnet into a remote device and type debug ip rip, but no output from the debug command is seen. What could the problem be?

IP addressing on the network is incorrect.
You must use the terminal monitor command.
Debug output is sent only to the console.
You must type the show ip rip command first.

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