Crack It !!!

123456789101112
Across
  1. 2. A character normally sent at the beginning/end of a synchronous transmission to provide timing and bit synchronization
  2. 5. A modems characteristic when it is sending a carrier signal on a multipoint line when it has not been polled
  3. 6. The undesirable noise or disturbance that occurs on a communications channel, caused by natural or man-made signals
  4. 7. A method of data communications using 75 bps as a transmission speed
  5. 10. A memory device type that loses its stored contents upon electrical power fluctuation or failure
  6. 12. Interference from radio transmission signals or microwave communication causing a received signal to deflect from the target
Down
  1. 1. A network station designed to interconnect two otherwise incompatible devices or networks
  2. 3. Any combination of two or more technologies
  3. 4. The control block or blocks of data added prior to the actual message
  4. 5. Using a constant time interval between bits or characters to insure that all data communications equipment is in step with each other
  5. 8. The waiting time, or delay between a stations request to a transmission channel,and completion
  6. 9. The disturbance or interference of open-air radio transmission to deliberately prevent communication
  7. 11. A reduction in a signals level as expressed in decibels