Two computers that communicate with each other use a simple parity check to dete

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Question
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?
Options
A. one bit or any odd number of bits inverted in a block of data during transmission
B. two bits or any even number of bits inverted in a block during transmission
C. one bit or any odd number of bits inverted in a byte during transmission
D. two bits or any even number of bits inverted in a byte during transmission
E. None of the above

Correct Answer

two bits or any even number of bits inverted in a byte during transmission

1. Networks where end user workstations are tied to LAN servers to share resources and application processing.
Options
A. Internetworked enterprise
B. Information super highway
C. Business applications of telecommunications
D. Client/Server networks

2. If the client receives an address from a DHCP server, what is the only information available in the Network Properties dialog box?
Options
A. The IP address
B. The subnet address
C. That the client is receiving its address from DHCP
D. The default gateway
E. None of the above

4. What frequency range is used for TV transmission and low power microwave applications?
Options
A. Very Low Frequency : 3 kHz to 30 kHz
B. Medium Frequency : 300 kHz to 3 MHz
C. Ultra High Frequency : 300 MHz to 3000 MHz
D. Super High Frequency : 3000 MHz to 30000 MHz
E. None of the above

6. Communication circuits that transmit data in both directions but not at the same time are operating in
Options
A. a simplex mode
B. a half-duplex mode
C. a full-duplex mode
D. an asynchronous mode
E. None of the above

9. In OSI network architecture, the dialogue control and token management are responsibilities of
Options
A. session layer
B. network layer
C. transport layer
D. data link layer
E. None of the above

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