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When you execute the "ip helper-address" command on a router， which three UDP ports getenabled automatically by default？（）
A . 53（DNS）
B . 69（TFTP）
C . 515（LPR）
D . 161（SNMP）
E . 49（TACACS）
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When a buoy is in position only during a certain period of the year，where may the dates when the buoy is in position be found?（）
A、On the chart
B、Coast Pilot
C、Light List
D、Notice to Mariners
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The engine may lose power or slow down during running, when this occurs, the first cause possible may be hot bearings and （） of the pistons in the cylinders.
A . crack
B . knocking
C . leaking
D . seizure
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The Master of a vessel may tender a Notice of Readiness to the charterer when the vessel （）.
A . has completed the terms of the charter party
B . is in all respects ready to load
C . is in all respects ready to sail
D . is safely moored or at a suitable anchorage
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Which action enables an administrator to make a VIO Server automatically activate when the physical machine is powered on?（）
A . Ensure the /etc/auto_start file exists on the VIOS.
B . Ensure the 'cfgdev -a boot=yes' command has been executed.
C . Select the 'Automatically start when the managed system is powered on' option within the VIO Server LPAR profile.
D . Add the VIO Server to the 'Automatically start when the managed system is powered on' field on the Managed System properties.
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Which of the following are automatically configured on the CallManager when entered on the CRS Application Administration?（）
A . CTI port
B . CTI Route Point
C . agent skills
D . JTAPI user
E . CRS prompt language
F . ASR provider &e
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When a vessel violates the oil pollution laws，who may be held responsible?（）
A . Master only
B . Owners only
C . Licensed officers only
D . Any individual connected with the vessel involved in the operatio
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According to the way the steering gear is operated, the steering gear may be divided into: hand - steering, （） and automatic steering.
A . hydraulic steering
B . follow-up steering
C . remote control steering
D . air controlled steering
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The ARPA may swap targets when automatically tracking if two targets（）.
A . are tracked on reciprocal bearings
B . are tracked at the same range
C . are tracked on the same bearing
D . pass close together
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The rules state that vessels may depart from the requirements of the Rules when（）.
A . there are no other vessels around
B . operating in a narrow channel
C . the Master enters it in the ship's log
D . necessary to avoid immediate danger
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When there is a flame failure in an automatically fired auxiliary boiler, the （）.
A . air supply is shut off
B . fuel supply is shut off
C . water supply is shut off
D . safety valve lift
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When the order given by bridge may have bad results, the duty engineer should（）
A . inform the captain for a further consideration, then perform it
B . inform the captain, and not perform it
C . stop the M/E immediately, and then inform the chief engineer
D . stop the M/E immediately, and then inform the captai
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Which action enables an administrator to make a VIO Server automatically activate when the physical machine is powered on？（）
A . Ensure the /etc/auto_start file exists on the VIos
B . Ensure the ’cfgdev -a boot=yes’ command has been executed.
C . Select the ’Automatically start when the managed system is powered on’ option within the vio Server lpar profile.
D . Add the VIO Server to the ’Automatically start when the managed system is powered on’ field on the managed System properties.
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When tuning Automatic PGA Memory Management， which of the following views will provide the information specified？（）
A . The V$PGA_TARGET_ADVICE view shows the predicted cache hit-ratio improvement if you increase PGA_AGGREGATE_TARGET
B . The V$PGA_TARGET_ADVICE view shows how the V$SQL_WORKAREA histogram will change if you change the value of PGA_AGGREGATE_TARGET
C . The V$PGA_TARGET_ADVICE_HISTOGRAM view shows how the V$SQL_WORKAREA_HISTOGRAM will change if you switch between Manual and Automatic PGA Memory Management
D . The V$PGA_TARGET_ADVICE view shows how performance will improve for the different work areas if you switch from Manual to Automatic PGA Memory Management
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A firebox explosion in an automatically fired auxiliary boiler may be the result of （）
A . excessive purging before lighting off
B . insufficient trail for ignition period
C . a faulty transformer in the ignition circuit
D . insufficient purging before lighting off
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The rim of the piston may contain cut-out portions to accommodate （） when they open.
A . the gases
B . the air
C . the valves
D . the injector
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The Rules state that vessels may depart from the Rules when（）.
A . there are other vessels in the vicinity
B . operating in a traffic separation scheme
C . engaged in a situation involving more than two vessels
D . necessary to avoid immediate danger
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In automatic （） the winch may be overhauled and wire is paid off the barrel at a pre-determined maximum tension.
A、cranes
B、windlass
C、capstans
D、mooring winches
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A passenger vessel is underway. When may passengers visit the pilothouse? （）
A . Passengers are excluded from the pilothouse while underway
B . Passengers are permitted in the pilothouse during daylight hours only
C . Passengers are permitted to visit the pilothouse when authorized by the Master and officer of the watch
D . Passengers are permitted in the pilothouse when they are escorted by a ship's officer
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Start-Up Diagnostics are a diagnostic routine that regularly operate automatically when the CNC is switched on.
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Start-Up Diagnostics are a diagnostic routine that regularly operate automatically when the CNC is switched on.
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The smartHMI detects when keyboard input is required and displays the keyboard automatically.
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When a single channel failure occurs, the operational channel of DFCS can still provide automatic control of the aircraft. 答案:√
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The patient may lose his/her voice when catching a cold.
