單項選擇題To establish a communication channel for the telex service in the INMARSAT-Aterminal, you should first().

A.establish a communication channel from the CES, via the International Telex Network to the final destination
B.set up a communication channel from your SES, via a satellite, to a CES within your ocean region
C.set up a channel directly to the addressee at the destination
D.establish a channel from your terminal , via the International Telex Network to a CES within your ocean region


您可能感興趣的試卷

你可能感興趣的試題

3.單項選擇題A mobile earth station in the maritime mobile-satellite service,which is located on board ship,is called().

A.an LES
B.an SES
C.a ship station
D.a Land Mobile Station

4.單項選擇題Any ship with SES can()and()through the Inmarsat satellites when sending a distress alert.

A.enter the system rapidly / wait for rescue
B.have an absolute priority to enter the system / contact with a CES
C.establish contact with the RCC / enter the port
D.enter the system gradually / get the rescue

5.單項選擇題The Network Coordination station for the INMARSAT-A coast stations in the Pacific ocean region is in().

A.Yamaguchi, Japan
B.Beijing, China
C.Nakhodka, Russia
D.Perth, Australia