Computer Networking
Alex is required to provide information on how many people are using the network at any one time. Which network will enable him to do so?

Peer-to-peer
Server-based
Star
Token-Ring
Ethernet

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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?

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

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