Computer Networking
In geosynchronous orbit, satellite

remains in a fixed position related to points on earth
moves faster than the earth's rotation so that it can cover larger portion of earth.
None of these
moves simultaneously
remains in a fixed position so that as earth rotates, it can fully cover the earth

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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?

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

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