One of the signals，other than a distress signal，that can be used by a vessel to attract attention is a(n)（）.
The signal to guide vessels in distress，which indicates，“This is the best place to land” is the（）.
The lifesaving signal indicating You are seen - assistance will be given as soon as possible is the（）.
An aircraft has indicated that he wants you to change course and follow him. You cannot comply because of an emergency on board. Which signal should you make?（）
Which radiotelephone signal indicates receipt of a distress message?（）
The radar component that produces the synchronizing signal and triggers the indicator sweep is which of the following?（）.
The Urgency Signal（）indicates that the station calling has a very urgent message to transmit concerning the safety of a ship or aircraft，or of some person on board or within sight.
You have berthed in a area with other tank vessels. What signal is displayed by a vessel to indicate it is transferring flammable or combustible liquid cargo?（）.
In order to avoid misconnections due to a failed node in a Bidirectional Line Switched Ring (BLSR), Alarm Indication Signals (AISs) are sent on every channel normally terminating in that node. What is the name of this process?（）
A traffic separation zone is that part of a traffic separation scheme which（）.
A man aboard a vessel，signaling by raising and lowering his outstretched arms to each side，is indicating（）.
In the International Code of signals，a group of three letters indicates（）.
A vessel may enter a traffic separation zone（）.
A vessel（）a crossing vessel，shall not normally enter a separation zone or cross a separation line.
A list signal of one white light indicates that the vessel is （）.
A signal indicating Greenwich mean time would be preceded with（）.
A yellow signal floating in the air from a small parachute，about 300 feet above the water，would indicate that a submarine（）.
In order to avoid misconnections due to a failed node in an MS-SPRing， Alarm Indication Signals （AISs） are sent on every channel normally terminating in that node. What is the name of this process？（）
The signal for fire alarm on a ship must be indicated（）.
At night you observe a vessel ahead show three flashes of a white light. This signal indicates that the vessel ahead is（）.
A time zone （） is an area of
A hacker has just changed the information for a zone during a zone transfer.This attac
