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

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Computer Networking
When setting up Frame Relay for point-to-point subinterfaces, which of the following must not be configured?

The local DLCI on each subinterface
The subinterface type as point-to-point
PAP
The Frame Relay encapsulation on the physical interface
An IP address on the physical interface

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