Computer Networking
Switching at the network layer in the Internet uses the datagram approach to:

Circuit switching
Packet switching
IP switching
Message switching

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Computer Networking
What does the passive command provide to dynamic routing protocols?

Stops an interface from sending periodic dynamic updates but not from receiving updates.
Stops the router from sending any dynamic updates.
Stops an interface from sending or receiving periodic dynamic updates.
Stops the router from receiving any dynamic updates.

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