NBDP/VHF radio
Inmarsat safetyNet/NAVTEX
Safety service / Inmarsat-A
Long range / short range
第1题：
A. Assign applications to traffic classes.
B. Use ToS/DSCP values for traffic classes.
C. Exclude subnets from QoS management.
D. Select dedicated vs. over-subscribed circuits.
第2题：
Which statement concerning GMDSS Radio Operator requirements is FALSE ________．
A.Each compulsory vessel must carry at least two licensed GMDSS Radio Operators at all times while at sea
B.Each compulsory vessel must carry at least two licensed Radio Operators at all times while at sea and may elect to carry a GMDSS Radio Maintainer as well
C.Communications involving safety of life at sea do not have to be logged as long as the compulsory vessel was not involved in such communications
D.While at sea，adjustments to，and the maintaining of，GMDSS equipment may be performed by the GMDSS Radio operator as long as the work is supervised by an onboard licensed GMDSS Radio Maintainer
第3题：
The Ezonexam corporate LAN consists of one large flat network. You decide to segment this LAN into two separate networks with a router. What will be the affect of this change?
A．The number of broadcast domains will be decreased.
B．It will make the broadcasting of traffic between domains more efficient between segments.
C．It will increase the number of collisions.
D．It will prevent segment 1's broadcasts from getting to segment 2.
E．It will connect segment 1's broadcasts to segment 2.
第4题：
下面哪一种系统不属于GMDSS的系统（）。
第5题：
下面那一种系统不属于GMDSS的系统_____。
A.Inmarsat—C
B.GPS
C.SART
D.MSI播发系统
第6题：
What are the vessel equipment and personnel requirements for GMDSS ________．
A.Two licensed GMDSS radio operators
B.Equipment carriage requirements
C.Distress alerting and response
D.All of the above
第7题：
GMDSS中的MSI的播发是通过_____来进行的。
A.NAVTEX系统
B.EGC系统
C.高频电传方式
D.A+B+C
第8题：
The medical team is ______ two doctors and two nurses.
A. made of
B. made up of
C. made from
D. made up
第9题：
GMDSS中MSI播发与接收系统的作用是（）
第10题：
MSI系统中（）设备是GMDSS的基本配置。