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WorksheetsMarCom Quiz 1 (Semi-Final)
Total questions: 15
Worksheet time: 8mins
This ITU recommendation contains the operational procedures of Digital Selective Calling (DSC) Equipment in The Maritime Mobile Services.
ITU-R M.690-03
ITU-R M.625-04
ITU-R M.541-10
ITU-R M.493-14
It is a brief burst of digitized information transmitted
from one station to alert another station or stations.
Urgency message
Safety message
EGC message
DSC message
This is one of the DSC call sequences used in providing information to the receiver to permit correct bit phasing and unambiguous determination of the positions of the characters within the call sequence.
Self-Identification
Dot Pattern
Messages
Phasing
It is a technology used in maritime communication, primarily for distress, urgency, safety and routine communication between ships and shore stations.
Global Maritime Distress and Safety System
Digital Selective Calling
Narrowband direct-printing
Forward Error Correction
What is an ITU-Radiocommunication Sector that sets the standards and protocols for Digital selective-calling for use in the maritime mobile service general purpose and simplified version?
ITU-R M.690-03
ITU-R M.625-04
ITU-R M.541-10
ITU-R M.493-14
What channel intended use for VHF DSC distress transmitter?
Ch. 16
Ch. 70
2187.5 kHz
2182.0 kHz
What channel intended use for MF DSC distress transmitter?
Ch. 16
Ch. 70
2187.5 kHz
2182.0 kHz
What is the band name that has a frequency range of 300-3000 kHz?
Very Low Frequency (VLF)
Medium Frequency (MF)
Very High Frequency (VHF)
Super High Frequency (SHF)
What is the band name that has a frequency range of 3-30 kHz?
Very Low Frequency (VLF)
Medium Frequency (MF)
Very High Frequency (VHF)
Super High Frequency (SHF)
What is the band name that has a frequency range of 30-300 MHz?
Very Low Frequency (VLF)
Medium Frequency (MF)
Very High Frequency (VHF)
Super High Frequency (SHF)
What is a communication system that handles the transmission and reception of telex messages over radio?
Navigational Telex
VHF Radio
Radio Telex
MF/HF Radio
It is a method used in error detection and correction for data transmission which also known as “two-way communication”.
ARQ
FEC
DSC
RCC
It is a technique used in data communication to detect and correct errors in a received data stream without the need for retransmission which also known as “one-way communication”.
ARQ
FEC
DSC
RCC
What does ARQ stand for in NBDP Modes of transmission?
Automatic Remote Request
Automated Remote Request
Automatic Repeat Request
Automated Repeat Request
What does FEC stand for in NBDP Modes of transmission?
Fore Error Correction
Fore Error Communication
Forward Error Communication
Forward Error Correction
