Indirect repeater function:
a. Amplify optical signals
b. Photovoltaic change, amplify electrical signals, optical power conversion
c. Direct amplification and correcting signals in the optical domain
d. All three answers are wrong other
indirect repeater often used in:
a. Information Systems SDH
b. Information Systems WDM
c. Both systems SDH and WDM communication
d. Currently no longer uses
direct repeater can be used in:
a. Both SDH and WDM system
b. Only use the system SDH
c. Only use in WDM systems
d. All three answers are correct
purpose of the use of repeaters in an optical transmission system is:
a. Dispersion compensation
b. Filter out the noise and cacophony
c. Prolonged loss correction and distance information
d. Extend range of information and dispersion compensation to upgrade optical communication systems should: a. Upgrade terminal b. Replace optical transmission c. Deploying additional fiber optic d. Replace the entire optical cable and terminal system WDM, OTDM unidirectional is: a. Transmitting and receiving signals over the same optical fiber b. Transmitting and receiving signals over two fibers a. Both answers are right there b. Both answers are wrong other WDM system, bidirectional OTDM is: a. Transmitting and receiving signals over the same optical fiber b. Transmitting and receiving signals over two fibers c. Both answers are right there d. Both answers are wrong other unidirectional WDM system is: a. Transmitting and receiving signals on the same fiber optic c. Transmitting and receiving signals over two fibers d. Both answers are right there e. Both answers are wrong other system architecture simplest optical communication a. Point - point b. Bus c. Ring d. Saoe. The bandwidth of WDM current activities: a. Strip C (Conventional) and L (Long) b. O Strip (Original) c. Strip U (Ultra - long) d. Ku bands Advantages of WDM are: a. Optical fiber bandwidth utilization. b. Reduced requirements for equipment, capable of expansion. c. Do not depend on the communication protocol. d. depends on the communication protocol.
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