C. only terrestrial communication D. VHF DSC or MES
70. On-scene communications will be between ___and___ .
A. the ship in distress / SAR B. the ship in distress / RCC
C. the ship in distress / vessel in vicinity D. the ship in distress / assisting units 71. Every ship, while at sea, shall be capable of . A. transmitting and receiving search and rescue co-ordination communications B. transmitting and receiving on-scene communications
C. transmitting and receiving bridge-to-bridge communications D. A, B, C are all right.
72. If operating within Ocean Area Al, and outside of NAVTEX coverage, a GMDSS-equipped vessel must carry____ . A. An Inmarsat-A terminal B. A GPS receiver
C. Equipment capable of maintaining a continuous DSC watch on 2,187.5 kHz D. Equipment capable of reception of maritime safety information by the Inmarsat enhanced group call system, or HF NBDP
73. What information should be included in a distress follow on voice transmission? A. Ship's Name and Call Sign B. Ship's position C. Ship' s MMSI number D. All of the above
74. What action should you take after sending a false distress alert on VHF? A. Send a DSC cancellation message on CH70
B. Make a voice announcement to cancel the alert on CH16 C. Make a voice announcement to cancel the alert on CH13 D. Make a voice announcement to cancel the alert on CH22
75. What action should you take after sending a false distress alert on MF? . A. Make a voice announcement to cancel the alert on 2,187.5 kHz B. Make a voice announcement to cancel the alert on 2,174. 5 kHz C. Make a voice announcement to cancel the alert on 2,182.0 kHz D. Send another DSC alert and follow on with voice on 2,182.0 kHz
76. What action 'should you take after sending a false distress alert on 8 MHz? A. Make an \B. Make an \C. Make a \D. Make an \
77. Which of the following frequencies and modes is allocated for distress alertifig in GMDSS? A. 406 MHz to via EPIRB
B. 1,626. 5 ~ 1 ,645. 5 MHz via Inmarsat
C. Channel 70 DSC plus six (6) MF/HF DSC frequencies D. All of the above
78. Which of the following frequencies have been designated for \communications in the Global Maritime Distress and Safety System? A. VHF CH22
B. HF radiotelephone on 21. 820 MHz C. NBDP on 2,177.0 kHz and VHF CH16 D. VHF CH16 and NBDP on 2,174.5 kHz.
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79. SafetyNET messages can be received by which of the following shipboard equipment? A. NAVTEX B. MF and HF NBDP C. EGC receiver D. All of these
80 .____consists of all messages relating to the immediate assistance required by the ship in distress, including SAR communication and signals for locating. A. Distress traffic B. Routine communication C. Port operation traffic D. Public correspondence
Part Two The Satellite Communication System
1. The following number is Inmarsat-C MES's number, which one is Chinese vessels? A. 421256545 B.441212345 C.415701234 D.412412345
2. If we want to cancel the false alert to RCC, we should find out the telephone number of the RCC in the ADMIRALTY LIST OF RADIO SIGNALS____. A. Volume2 B. Volume3 C. Volume4 D. Volume5 3. The EGC service is composed of___ .
A. SAFETY NET B. FLEET NET C. DATA REPORT D. A&B
4. Which of the following are included in mandatory services LES of Inmarsat-C? __ A. FleetNET B. NBDP C. DSC D. SafetyNET
5. Which of the following statements about Distress call is correct? A. Distress call is only available on fleet77 systems B. Distress call is only available on fleet 55 systems
C. Distress call is only available on fleet77/55/33 systems D. both A and B
6. The difference between the mobile ISDN and MPDS is that ____. A. The mobile ISDN is charged by connection time and MPDS is charged by Mbits transferred B. The mobile ISDN is charged by Mbits transferred and MPDS is charged by connection time C. There is no difference between the mobile ISDN and MPDS D. The communication fee of the mobile ISDN is inexpensive than that of MPDS 7. Which of the following IMN is used for Inmarsat-F MES voice service? A. 76 x x x x x x x B.60xxxxxxx C. 3412 xxxxx D.66xxxxxxx
8. Which type of the following services is excluded from Inmarsat-F services? A. telephone B. high speed data transmission C. telex D. E-mail
9. The PIN becomes blocked if the PIN code is entered incorrectly several times when operating cap-sat F77 MES. The maximum of input is ____. A. 4 B. 5 C. 6 D. 3
10. Which of the following ID number is used for BEIJING LES telephone access code in AOR-E? A.118 B.868 C.311 D.211
11. Which terminal equipment of ship is for COSPAS/SARSAT system? A. EPIRB B. InmarsatC C. SART D. EGC 12. COSPAS-SARSAT is intended to be used for .
A. Distress alarm and locating B. Daily communications ? C. Send messages D. E-mail
13. The low polar orbiting satellite system provides the coverage of ____. A. Al B.A1+A2 + A3 C. A4 D. Al + A2 + A3 + A4 14. Which service does not EGC have? . A. N/W B. MSI C. SafetyNET D. FAX
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15. Where is the geostationary orbit of Inmarsat situated.?
A. equator orbit B. pole orbit C. oblique orbit D. A&B
16. Which frequency is used on line from LES to satellite in the Inmarsat system? A. 4 GHz B. 6 GHz C. 1.6 GHz D. 1.4 GHz
17. Which frequency is used on line from MES to satellite in the Inmarsat system? A. 4 GHz B. 1.6GHz C. 3 GHz D. 6 GHz
18. Which number of the following Inmarsat-C ID numbers is the ID number distributed to Chinese vessel \
A.494601513 B.404120000 C.441258112 D.041260041
19. Which is the Inmarsat-C LES access code of MCN( Beijing) in POR? A. 211 B.311 C.868 D.210
20. Which 2 digit code is Medical Assistance offered by all LES as specified in the Radio Regulations under GMDSS? A. 32 B. 38 C. 39 D.41
21. Please choose the Inmarsat-C NCS ID of the AOR-W . A. 044 B.001 C.211 D.144
22. Which type of MES of Inmarsat does not have the telex service? A. Inmarsat-A B. Inmarsat-B C. Inmarsat-C D. Inmaisat-F 23. Where is the Inmarsat's headquarters?
A. China B. The U. S. A C. the United Kingdom D. Canada 24. The ground segment of Inmarsat consist of . A. Land Earth Stations B. Network Co-ordination Stations C. Network Operations Centre D. A. B and C
25. Which of the following are usually used for distress alerting by Inmarsat-C? A. directly press the distress button on the panel
B. pick up phone and report distress information to RCC C. send distress information by satellite EPIRB D. send telex to LES
26. How many Geo-stationary satellites are employed in the Inmarsat? A. 3 B.4 C.5 D. 6
27. COSPAS-SARSAT can not fulfill the function of . A. determining the position of a distress vessel B. distress communication '
C. distress alerting and position-fixing in Aero D. both A and C
28. The Inmarsat satellites are controlled by . A. NOC B. LES C. NCS D. SCC
29. Where is the distress alerting made by MES in the Inmarsat system passed to? A.MCC B. RCC C. LES D. NCS
30. Before the communication, the Inmarsat-C MES must login ____ of the located ocean region. .
A. dominated MES by NCS B. RCC C. anyone of the MES D. NCS 31. In the Inmarsat system, the services code 00 means
A. position report B. relay service C. automatic service D. medical advice
32. Which service is a more cost-effective solution for applications where there is no need for constant transmission of data in both directions?
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A. ISDN B. MPDS C. ISDL D. CDMA
33. The command of breaking the radio connection of the Inmarsat-B telex service is___. A.NNNN B.….. C. KKKK D. OVER
34. The distress message of the Inmarsat-C radiotelex does not include the information of . A. the time of distress B. the nature of distress
C. the position of distress D. the number of the distress people 35 The Inmarsat Mobile Numbers (IMN) has digits except InmarsatA MES. A. 7 B. 9 C. 10 D. 3
36. Communication using fax of Inmarsat-F, the country code of China is . A. 868 B. 11 C. 86 D. 85 ,
37. Which institution monitor and control the communications traffic of the LES within the Ocean Region? . A. RCC B. NCS C. NOC D. MCC
38. Which orbit is the COSPAS/SARSAT satellite situated? A. equator orbit B. pole orbit C. oblique orbit D. A&B '
39. Which equipment does not belong to COSPAS-SARSAT system? A. EPIRB B. SART C. PLB D. ELT
40. Which type of Inmarsat mobile earth station terminals is approved by the GMDSS? A. Inmarsat-C B. Inmarsat-M C. Inmarsat mini-M D. Inmarsat-F55 41. Which institue processes the signals to determine the beacon location? A. MCC B. RCC C. LUT D. NCC
42; When a vessel in distress making On-scene communications, which one of the following radio equipments can be used____ . A. VHF B. MF/HF radio equipment C. Inmarsat MES D. all of above 43. Any ships fitted with MES can ____and through the satellite system when sending a distress alert. A. enter the system/contact an RCC
B. access to Inmarsat/establish contact with a LES
C. have the absolute priority to enter the system/make contact with a LES D. enter the system gradually/wait for rescue
44. Where does the RCC of the China locate in?____ A. Beijing B. Shanghai C. Dalian D. Tianjin
45. Which of the following optional equipment can be used by a ship in Area A3 for ship to shore distress alerting?
A. VHF DSC B.MF DSC C. Inmarsat MES D. VHF 70CH EPIRB 46. The maritime access code for the IOR is in Inmarsat-C Telex Service. A.581 B.582 C.583 D.584
47. In Inmarsat-C, \communication. A. routine B. distress C. urgency D. safety
48. The maritime access code of telephone mode in Inmarsat-F,. terminal for the AOR ( E) is A.871 B.870 C.581 D.580
49. Which Inmarsat system applies store-and-forward messaging? A. Inmarsat-A B. Inmarsat-C C. Inmarsat-B D. Inmarsat-M 50. The Inmarsat SafetyNet services covers . A. the whole world B. all Navarea C. areas from Al to A4 D. only four Inmarsat regions 51. Sea Area A3 is an area within the coverage of in which continuous alerting available.
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A. VHF stations B. MF/HF stations C. Radio stations D. Inmarsat stations 52. The NCS of Inmarsat-C system in the AOR(E) is in____.
A. Goonhilly, UK B.Yamaguchi, Japan C.Perth, Australia D. Southbury, USA 53. An MES operator can choose the most suitable LES according to___. A.the routing agreement for a particular ocean region B.the communication service he required C.the positions of his ship and the LESs D. B and C
54. In Inmarsat-B service code \. A. medical assistance B. medical advice C. maritime assistance D. technical assistance 55. What is the primary function of a NCS?
A.To monitor and control communications through the Inmarsat satellite for which it is responsi?ble
B.To provide direct communications between the Inmarsat station placing a call and the station receiving the call
C.To provide multi-mode communications between the Inmarsat station placing a call and the coast radio station that will deliver it
D.To determine which satellite is best suited to provide communications between the Inmarsat station placing a call and the station receiving the call
56.How does a distress message normally initiated through Inmarsat? A. All Inmarsat units have a dedicated key that can be pressed for immediate action B. By adding the word \
C. Certain Inmarsat units have a dedicated key that can be pressed for immediate action, while other systems provide menu-driven features
D. By transmitting the distress message on the U. S. Coast Guard's dedicated monitoring channel 57. 57.How will communication fee of Inmarsat-C be paid? A. in accordance with duration of communication B. in accordance with size of message transferred
C. same as billing method of telecommunication of radio coast stations D. same as billing method of Inmarsat-B
58; Which of the following is a correctly formatted Inmarsat-C address book entry for sending communications to a fax machine number (045 ) 334-5678 in Japan (voice country code 81)?
A. 810453345678# B. 81(045)3345678 C. 819453345678 D. 81 (045) 334-5678
59. Which of the following is a correctly formatted Inmarsat-C address book entry for sending communications to a shoreside telex terminal number 45992 in Taiwan (telex country code 769) ? A. (769)45992 B. 76945992 + C. 76945992 D. None of the above.
60. It is possible to transmit all of the following via Inmarsat-C from a vessel except? .
A. Telex B. Text for delivery by Fax C. Voice D. Comtex mail and x. 400 data services 61: Inmarsat-C provides for which of the following? A. Polling, enhanced group call, and one-way position and data reporting via satellite B. FM voice communications via satellite
C. Two-way messaging and data communications on a store-and-forward basis D. Polling, enhanced group call, one-way position and data reporting via satellite, two-way messaging and data communications on a store-and-forward basis
62. Which mode of communications is possible through an Inmarsat-F MES? A. SITOR B. Telex C. telephone D. DSC
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