單項(xiàng)選擇題When you have received GA+ from the CES for the INMARSAT-A telex communication, you should immediately select()and()you required.

A.an CES / telex mode
B.an SES telex service
C.the service /the subscriber
D.a satellite /an ocean region


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1.單項(xiàng)選擇題The maritime access code for the AOR-E is()in INMARSAT-A Telex Service.

A.581
B.582
C.583
D.584

2.單項(xiàng)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

4.單項(xiàng)選擇題After successful commissioning , the()will permit the SES access to system.

A.INMARSAT
B.IMO
C.MSC
D.CES

5.單項(xiàng)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