单选题Which of the following devices can route electrical signals only when activated by an external control signal？（）ASolenoidBRelayCClutchDCapacitor
单选题
Which of the following devices can route electrical signals only when activated by an external control signal？（）
A
Solenoid
B
Relay
C
Clutch
D
Capacitor
参考解析
解析：
暂无解析
相关考题：
Which action occurs when the static route 10.0.55.2／32 is evaluated by the policy main－policy? () A. The route is advertised into BGP.B. The route is suppressed from BGP.C. The route is advertised into BGP and goes only one hop.D. The route is advertised into BGP and can only propagate throughout the neighboring AS.
When configuring a POS system, which of the following peripheral devices would MOST likelyneed to be installed?() A. Optical mouseB. Handheld digitizerC. Barcode readerD. TouchscreenE. Document scannerF. KeyboardG. External USB drive
Whichofthefollowingdevicescanrouteelectricalsignalsonlywhenactivatedbyanexternalcontrolsignal?() A.SolenoidB.RelayC.ClutchD.Capacitor
Which of the listed devices is used to measure pressure and convert it to an electrical signal?A.TransducerB.ReducerC.TransformerD.Rectifier
When steering on autopilot which of the following input conditions may NOT have an effect on the control of the steering gear ________．A.Non-follow-upB.Rudder adjustmentC.Weather adjustmentD.All the above may be activated
An on-load release system on a survival craft means the cable can be released ______.A.only when the load is taken off the cableB.only when there is a load on the cableC.only when activated by the controls at the lowering stationD.at any time
Which two of the following are valid characteristics of EIGRP?（）A、Has a maximum hop count of 25B、Can differentiate between internal and external routesC、Uses a 32-bit metricD、Can maintain only one routing tableE、Need all networks to use the same subnet maskF、Supports only one routed protocol
When configuring a POS system, which of the following peripheral devices would MOST likelyneed to be installed?（）A、Optical mouseB、Handheld digitizerC、Barcode readerD、TouchscreenE、Document scannerF、KeyboardG、External USB drive
Which of the following options applies to virtual Ethernet devices（）A、A virtual Ethernet adapter can only connect to other partitions within the same system.B、A virtual Ethernet adapter needs to be connected to an external VLAN capable switch to be able to communicate with other partitions on the same system.C、A partition can support an unlimited number of virtual Ethernet devices.D、A virtual Ethernet adapter in the VIO Server that is part of a SEA should not have the "trunk flag" set
Which of the following is a differentiating feature of file permissions as compared to share permissions？（）A、 File permissions are less granular than share permissions.B、 Full control can only be set using file permissions.C、 File permissions are more granular than share permissions.D、 Full control can only be set using share permissions.
Which of the following expansion devices would allow a user to utilize multiple hardware profiles to control an external display and power option?（）A、PCI Express cardB、KVMC、PCMCIA cardD、Docking station
Which of the following multimeter settings should only be used when there is no electrical flow through the part being tested? （）(Select TWO).A、AmpereB、ContinuityC、VoltD、ResistanceE、Wattage
Changing the boot order of devices can be configured from which of the following？（）A、DIP switchesB、BIOSC、ChipsetD、Control Panel
Which of the following devices can route electrical signals only when activated by an external control signal？（）A、SolenoidB、RelayC、ClutchD、Capacitor
In which scenario will you issue the following command？（） SQL RECOVER DATABASE UNTIL TIME ’2005-10-04 ： 12：09：08’ USING BACKUP CONTROLFILE；A、 when all the control files are missing and only a binary backup of the current control file existsB、 when a multiplexed copy of the current control file is missingC、when all the control files are missing and only a script containing the CREATE CONTROLFILE statement existsD、 when the SPFILE is missing
Which two are true regarding external tables？ （）A、External tables can be updated. B、External tables are read-only tables. C、Indexes can be created on external tables. D、Indexes cannot be created on external tables.
单选题A switchboard for an AC electrical system requires the use of which of the following devices（）.AFrequency meterBOhmmeterCInduction voltage regulatorDCurrent transformer governor
单选题Which of the listed devices is used to measure pressure and convert it to an electrical signal?（）ATransducerBReducerCTransformerDRectifier
单选题Which of the following is a differentiating feature of file permissions as compared to share permissions?（）AFile permissions are less granular than share permissions.BFull control can only be set using file permissions.CFile permissions are more granular than share permissions.DFull control can only be set using share permissions.
单选题In which scenario will you issue the following command？（） SQL RECOVER DATABASE UNTIL TIME ’2005-10-04 ： 12：09：08’ USING BACKUP CONTROLFILE；A when all the control files are missing and only a binary backup of the current control file existsB when a multiplexed copy of the current control file is missingCwhen all the control files are missing and only a script containing the CREATE CONTROLFILE statement existsD when the SPFILE is missing
单选题Which of the following options applies to virtual Ethernet devices（）AA virtual Ethernet adapter can only connect to other partitions within the same system.BA virtual Ethernet adapter needs to be connected to an external VLAN capable switch to be able to communicate with other partitions on the same system.CA partition can support an unlimited number of virtual Ethernet devices.DA virtual Ethernet adapter in the VIO Server that is part of a SEA should not have the trunk flag set
单选题How should signal flares be used after you have abandoned ship and are adrift in a liferaft?（）.AImmediately use all the signals at onceBUse all the signals during the first nightCEmploy a signal every hour after abandoning ship until they are goneDUse them only when you are aware of a ship or plane in the area
多选题Which of the following multimeter settings should only be used when there is no electrical flow through the part being tested? （）(Select TWO).AAmpereBContinuityCVoltDResistanceEWattage
单选题An administrator has purchased monitoring software that can be configured to send alerts when hardware and applications are having issues. Which of the following must be installed on the monitoring server so that it can properly monitor details on vendor specific devices?（）AMIBsBSMTPCWMIDDHCP
单选题Which of the following expansion devices would allow a user to utilize multiple hardware profiles to control an external display and power option?（）APCI Express cardBKVMCPCMCIA cardDDocking station
单选题Which of the following is a differentiating feature of file permissions as compared to share permissions？（）A File permissions are less granular than share permissions.B Full control can only be set using file permissions.C File permissions are more granular than share permissions.D Full control can only be set using share permissions.
单选题Which of the following devices can route electrical signals only when activated by an external control signal？（）ASolenoidBRelayCClutchDCapacitor
单选题When steering on autopilot which of the following input conditions may NOT have an effect on the control of the steering gear（）.ANon-follow-upBRudder adjustmentCWeather adjustmentDAll the above may be activated