Computer Networking
Two computers that communicate with each other use a simple parity check to detect errors for ASCII transmissions. Which of the following events will always lead to an undeleted error?

two bits or any even number of bits inverted in a block during transmission
None of these
one bit or any odd number of bits inverted in a byte during transmission
two bits or any even number of bits inverted in a byte during transmission
one bit or any odd number of bits inverted in a block of data during transmission

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

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

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