Which of the following are required GMDSS functions for vessels?

Transmit and receive locating signals, general communications and SAR communications.

Transmit and receive general communications, transmit Distress Alerts by at least one means, MSI.

Transmit and receive locating signals, send MSI to other ships via EGC, Bridge-to-Bridge communications.

Transmit and receive SAR communications, transmit Distress Alerts by at least one means, Bridge-to-Bridge communications.

Which of the following are required GMDSS...