Computer Networking
Error detection at a data link level is achieved by

Hamming codes
None of these
bit stuffing
cyclic redundancy codes
equalization

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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 receiving any dynamic updates.
Stops the router from sending any dynamic updates.
Stops an interface from sending or receiving periodic dynamic updates.

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