Digital Selective Calling Quiz

What does DSC stand for?

• Digital Selective Calling

• Digital System Control

• Digital Signal Communication

• Dynamic Selective Calling

What is the primary function of DSC?

• To send voice messages

• To transmit coded information

• To manage network traffic

• To establish video calls

What type of alerts can DSC be used for?

• Weather updates

• Traffic updates

• Navigation warnings

• Distress alerts

What does MMSI stand for?

• Mobile Marine Service Identifier

• Marine Management System Identifier

• Maritime Messaging Service Indicator

• Maritime Mobile Service Identity

How many digits does an MMSI number have?

• 7 digits

• 10 digits

• 8 digits

• 9 digits

Who assigns the MMSI numbers?

• DGRM

• Local Maritime Authority

• Coast Guard

• International Maritime Organization

What do the first three digits of an MMSI indicate?

• The year of registration

• The type of vessel

• The owner of the vessel

• The country or zone of the license

Which of the following starts with '00'?

• Aircraft MMSI

• Group calls

• Portable DSC devices

• Coastal stations

What is the starting digit for aircraft MMSI numbers?

• 8

• 00

• 111

• 263

What is the purpose of a group call in DSC?

• To send messages to all stations

• To send messages to a specific station

• To send messages to a group of stations

• To send routine messages