A lateral system buoy displaying a quick light（）.
A . should be passed close aboard on either side
B . indicates that special caution is required
C . is used at a channel bifurcation or junction
D . is painted with red and white vertical stripe
相似题目
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What indicates a dual purpose buoy? （）
A . Red buoy with a horizontal yellow band
B . Red and white vertically-striped buoy with a vertical yellow stripe
C . Red and white vertically-striped buoy with a red spherical topmark
D . Green buoy with a yellow square
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A buoy marking a wreck will show a(n)（）.
A . white light FL (2) and a topmark of 2 black spheres
B . occulting green light and may be lettered
C . yellow light and will be numbered
D . continuous quick white light and may be numbered
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A yellow buoy may mark a(n)（）.
A . wreck
B . shoal area
C . anchorage area
D . middle ground
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At 1810，a red buoy bears 010° relative. This buoy marks（）.
A . the side of York Spit Channel
B . the visibility limit of the red sector of Cape Henry Light
C . a submerged obstruction in York Spit Channel
D . the York River Entrance Channel
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（）gives a description of the combined Cardinal and Lateral Buoyage system including textual and diagrammatic explanations of the five types of marks;lateral;cardinal,isolated danger;safe water and special marks.
A . Ocean Passages for the World
B . Symbols and Abbreviations used on Admiralty Charts，Chart 5011
C . IALA Maritime Buoyage System
D . The Mariners Handbook
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At 1810，you sight a buoy on your starboard side labeled “19”. This buoy marks（）.
A . the side of York Spit Channel
B . the visibility limit of the red sector of Cape Henry Light
C . the end of York Spit Channel
D . the junction of the York Spit and York River Entrance Channel
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A system administrator installed a new switch using a script to configure it. IP connectivity was tested using pings to SwitchB. Later attempts to access NewSwitch using Telnet from SwitchA failed. Which statement is true？（）
A . Executing password recovery is required.
B . The virtual terminal lines are misconfigured.
C . Use Telnet to connect to RouterA and then to NewSwitch to correct the error.
D . Power cycle of NewSwitch will return it to a default configuration.
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A buoy with a composite group-flashing light indicates a(n)（）.
A . bifurcation
B . fish net area
C . anchorage area
D . dredging area
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A system administrator installed a new switch using a script to configure it. IP connectivity was tested using pings to SwitchB.Later attempts to access NewSwitch using Telnet from SwitchA faileD.Which statement is true?（）
A . Executing password recovery is required.
B . The virtual terminal lines are misconfigured.
C . Use Telnet to connect to RouterA and then to NewSwitch to correct the error.
D . Power cycle of NewSwitch will return it to a default configuration.
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A white buoy with a blue band is（）.
A . an isolated danger mark
B . a hydrographic data collection buoy
C . a mooring buoy
D . marking a restricted area
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A preferred-channel buoy will show a（）.
A . white light whose characteristic is Morse (A)
B . group-occulting white light
C . composite group-flashing (2 + 1) white light
D . composite group-flashing (2 + 1) red or green light
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A spherical buoy may be（）.
A . numbered
B . lettered
C . green
D . red
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In AIX 5L and later， the operating system supports the /proc filesystem. What would be the best description of the /proc filesystem？（）
A . It is a pseudo filesystem that maps processes and kernel data structures to corresponding files.
B . It is a JFS mounted filesystem that provides an exact representation of what is happening to a proces at a single and discrete point of time.
C . It is a JFS mounted filesystem that maps processes and read-only files related to these processes.
D . It is a pseudo filesystem that contains data that represents the state of the parent processes （but not their threads） in a system.
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Which of the following commands can be used to obtain information about filesets on the system that are later than the current maintenance level？（）
A . lslpp -I
B . uname -r
C . oslevel -g
D . rpcinfo -
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Two navigational hazards are located near to each other，but each is marked by an individual cardinal buoyage system. The buoys of one cardinal system may be identified from the other system by（）.
A . the differing light colors
B . one system having odd numbers while the other system has even numbers
C . one system using horizontal bands while the other system uses vertical stripes
D . the difference in the periods of the light
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You are mooring to a buoy．You should approach the buoy with the current from（）.
A . ahead
B . broad on the bow
C . abeam
D . aster
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A preferred-channel buoy may be（）.
A . lettered
B . spherical
C . showing a white light
D . All of the above
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The Captain of the Port has closed to navigation，and buoyed，a section of a harbor. These buoys would be painted（）.
A . red or green to conform with the other lateral aids
B . red and green horizontally-striped
C . solid yellow
D . white with orange mark
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In the Uniform Cardinal System of Buoyage，a buoy in the eastern quadrant from a danger could（）.
A . be black and white horizontally striped
B . be black and white vertically striped
C . have a red top mark
D . be any of the above
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34. _____ gives a description of the combined Cardinal and Lateral Buoyage system including textual and diagrammatic explanations of the five types of marks; lateral；isolated danger；safe water and special marks.
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下列程序的输出结果是（ ）。a=1;switch acase 3|4disp('perfect')case {1,2}disp('ok')otherwisedisp('no')end
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下列程序的运行结果是（ ） s =0; a=[12,13,14;15,16,17;18,19,20;21,22,23]; for k=a s=s+k; end disp(s ’ )
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运行如下程序后，输入９回车，命令窗口（commandwindows）显示的结果为()c=input('请输入一个字符','s');ifc＞='A'&c＜='Z'disp(setstr(abs(c)+abs('a')-abs('A')));elseifc＞='a'&c＜='z'disp(setstr(abs(c)-abs('a')+abs('A')));elseifc＞='0'&c＜='9'disp(abs(c)-abs('0'));elsedisp(c);end
A．9
B．8
C．7
D．6
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______ gives a description of the combined Cardinal and Lateral Buoyage system including textual and diagrammatic explanations of the five types of marks；lateral；cardinal，isolated danger；safe water and special marks．
A.Ocean Passages for the World（NP136）
B.Symbols and Abbreviations used on Admiralty Charts，Chart 5011
C.IALA Maritime Buoyage System（NP735）
D.The Mariners Handbook（NP100）
