考题
Input into the Communications Management Plan includes the following information from the stakeholder analysis:A Information needsB Information contentC Frequency of distributionD Method of distributionE All of the above
考题
75 Input into the Communications Management Plan includes the following information from the stakeholder analysis:A. Information needsB. Information contentC. Frequency of distributionD. Method of distributionE. All of the above
考题
24. Which of the following is TRUE?A. When he talks or sings, Jay Chou can both speak clearly.B. When he sings, Jay Chou can-t speak clearly. When he talks, he can't, either.C. When he talks, Jay Chou can-t speak clearly. But when he sings, he can.D. When he sings, Jay Chou can't speak clearly. But when he talks, he can.
考题
The maximum data rate of any single wireless link can be described by the shannons theorem which is related to the()in hertz,and the()on the channelA.signal frequency B.bandwidth C.carrier frequency D.noise frequency A.signal B.caeeier C.noise D.data signal
考题
The retired worker resumed his task of servicing the buses without additional pay when he ________at home.
A. could stayB. could have stayedC. can stayD. must have stayed
考题
In(71), multiple transmission can occupy a single link sectioned by time rather than frequency.A.FDMB.TDMC.WDMD.CDM
考题
When considering the default behavior of Junos platforms, which statement is true about archiving configurations?()
A. A system log message is generated, confirming the transfer attempt.B. The destination filename format can be altered by configuration.C. The frequency the system archives the configuration cannot be changed.D. An archive log is created to track transfer attempts, both failed and successful.
考题
What is meant by the term“radio silence”________.A.Stations not directly involved with the on-going distress communications may not transmit on the distress frequency or channelB.Stations remaining off the air to safeguard proprietary informationC.Two three-minute silent periods,at 15 and 45 minutes after the hour,that provide a transmitting“window”for distressed vessels to transmit distress alerts using J3ED.Communications on a distress frequency or channel is banned for 24 hours following the cessation of the distress traffic
考题
When can routine communications be resumed on a frequency or channel on which radio silence has been imposed ________.A.After determining that the frequency or channel appears to be no longer in useB.After determining that geographic distance from the distress situation will prohibit any other signal from interfering with emergency communicationsC.After the Rescue Coordination Center transmits a message on the frequency or channel being used for emergency communications stating that such traffic has concludedD.Routine communications can resume if,in the Master's opinion,communications on that frequency or channel will not interfere with emergency communications
考题
When considering the default behavior of Junos platforms, which statement is true about archiving configurations?()A、A system log message is generated, confirming the transfer attempt.B、The destination filename format can be altered by configuration.C、The frequency the system archives the configuration cannot be changed.D、An archive log is created to track transfer attempts, both failed and successful.
考题
A forwarder can perform routine tasks such as loading/unloading of goods, storage of goods, etc.on behalf of ().A、the importerB、the exporterC、the consignorD、the pilot
考题
When considering the default behavior of Junos plattforms, which statement is true about archiving configurations?()A、A system log message is generated, confirmed the transfer attemptB、The destination filename format can be altered by configurationC、The frequency the system archives the configuration cannot be changedD、An archive log is created to track transfer attempts both failed and successfull
考题
You have enabled resumable space allocation in your database by setting the RESUMABLE_TIMEOUTparameter set to a nonzero value.Which three statements about resumable space allocation are true? ()(Choose three.)A、Even with resumable space allocation enabled for your database, you can disable resumable space allocation for a single session.B、A resumable statement is suspended only if an out of space error occurs.C、When a resumable statement is suspended, the transaction that contains the statement is also suspended.D、A resumable statement can only be suspended and resumed once during the execution of the statement.E、You can query the V$SESSION_WAIT dynamic performance view to identify the statements that are suspended for a session
考题
填空题On Mindy's guitar, the frequency of a vibrating string varies inversely as the length of the string. When a guitar string of s inches in length that vibrates at a frequency of 80 cycles per second is shortened to 6 inches in length, it vibrates at a frequency of 120 cycles per second. What is the value of s?____
考题
单选题When can routine communications be resumed when radio silence has been imposed?()A
After determining that the frequency or channel appears to be no longer in useB
After determining that geographic distance from the distress situation will prohibit any other signal from interfering with emergency communicationsC
Routine communications can resume after the Rescue Coordination Center transmits a message on the frequency or channel being used for emergency communications stating that such traffic has concludedD
If,in the Master's opinion,communications on that frequency will interfere with emergency communications
考题
单选题What is the action that a GMDSS Radio Operator should take when a DSC distress alert is received? ()A
No action is necessary,as the DSC control unit will automatically switch to the NBDP follow-on communications frequencyB
The operator should immediately set continuous watch on the radiotelephone frequency that is associated with the frequency band on which the distress alert was receivedC
The Operator should immediately set continuous watch on VHF channel 70D
The Operator should immediately set continuous watch on the NBDP frequency that is associated with the frequency band on which the distress alert was received
考题
单选题When it is accepted to remain on the frequency indicated,you should say().A
Standing by on VHF frequencyB
Coming to VHF frequencyC
VHF frequency. is the best place for you to stay byD
remaining in frequency. and do not change
考题
单选题What is the fundamental purpose for imposing radio silence? ()A
To ensure that interference to proprietary communications is minimizedB
To ensure that only voice communications can be effected on the distress frequency or channelC
To ensure that a distressed vessel will have a window twice each hour for transmitting routine messagesD
To ensure that interference on a particular frequency or channel to communications concerning emergency traffic is minimized
考题
单选题When considering the default behavior of Junos platforms, which statement is true about archiving configurations?()A
A system log message is generated, confirming the transfer attempt.B
The destination filename format can be altered by configuration.C
The frequency the system archives the configuration cannot be changed.D
An archive log is created to track transfer attempts, both failed and successful.
考题
单选题Routine radio communications should be no more than().A
one minuteB
three minutesC
five minutesD
eight minutes
考题
单选题An alternator switchboard has a synchroscope and synchronizing lamps, if the synchroscope is broken, which of the steps listed is the most essential before an alternator can be paralleled with the bus ()A
The breaker should be closed when one synchronizing lamp is dark and the other is brightB
The breaker should be closed when both synchronizing lamps are brightC
The frequency meter should be used to determine that the incoming alternator frequency is slightly higher than the busD
A portable phase sequence indicator must be used to verify the information from the lamps
考题
单选题When considering the default behavior of Junos plattforms, which statement is true about archiving configurations?()A
A system log message is generated, confirmed the transfer attemptB
The destination filename format can be altered by configurationC
The frequency the system archives the configuration cannot be changedD
An archive log is created to track transfer attempts both failed and successfull
考题
单选题How is “radio silence” imposed?()A
By the On Scene Coordinator (OSC)B
By the Coast Earth Station (CES) controlling the distress communications on that frequencyC
It is imposed by the Public Correspondence Station (PCS) controlling the distress communications on that frequency or channelD
It is imposed by the High Seas Service (HSS) controlling the distress communications on that frequency or channel
考题
单选题When determining a customer’s technical requirements for a Cisco Unified Communications solution, which important tool can be used to determine the bandwidth used by different codecs with various protocols over different media?()A
Network Codec Aggregator ToolB
Bandwidth Estimator ToolC
Unified Communication Bandwidth ToolD
Voice Bandwidth CalculatorE
Voice Codec Bandwidth Calculator
考题
单选题A major advantage of the NAVTEX system when compared to other systems is that().A
the information can be received on an ordinary FM radioB
warnings are printed out for reading when convenientC
broadcasts are at scheduled timesD
a low frequency band is used for long distance transmission
考题
单选题In areas covered by Inmarsat HF can be used as an()to satellite communications.A
alternationB
alternateC
alterD
alternative
考题
单选题According to the text, the laser can ______.A
standardize telephone cablesB
remove communications jamsC
improve the quality of human voicesD
increase the capacity of communications