If a DSC distress relay is transmitted from coast station , it will（）.

相似题目

• Which EPIRB transmits a distress alert that is received and relayed by an INMARSAT satellite?（）

  A . Class A EPIRBs B . Class B EPIRBs C . L-Band EPIRBs D . Category I EPIRB

  查看最佳答案

• What should you do if you have transmitted a distress call a number of times on channel 16 and have received no reply?（）

  A . Repeat the message using any other channel on which you might attract attention B . Key the microphone several times before transmitting again C . Turn up the volume on the receiver before transmitting again D . Report the problem to the head electricia

  查看最佳答案

• If a GMDSS radio operator initiates a DSC distress transmission but does not insert a message，what happens? （）

  A . The transmission is aborted and an alarm sounds to indicate this data must be provided by the operator B . The transmission is not initiated and "ERROR" is indicated on the display readout C . The transmission will be made with "default" information provided automatically D . The receiving station will poll the DSC unit of the vessel in distress to download the necessary informatio

  查看最佳答案

• Which is NOT a distress signal? （）

  A . A continuous sounding with any fog signal apparatus B . A signal sent by radiotelephone consisting of the spoken word "Mayday" C . An International Code Signal of N.C. D . The firing of green star rockets or shell

  查看最佳答案

• When a router is connected to a Frame Relay WAN link using a serial DTE interface, how is the interface clock rate determined（）。

  A . It is supplied by the CSU/DSU. B . It is supplied by the far end router. C . It is determined by the clock rate command. D . It is supplied by the Layer 1 bit stream timing.

  查看最佳答案

• 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 frequency B . The operator should immediately set continuous watch on the radiotelephone frequency that is associated with the frequency band on which the distress alert was received C . The Operator should immediately set continuous watch on VHF channel 70 D . 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

  查看最佳答案

• It is quite（）for an SES operator to send a distress alert.

  A . easy and expensive B . simple and certain C . dangerous and stable D . difficult and compulsory

  查看最佳答案

• Distress and safety communications following DSC calling will be performed by radiotelephony or（）.

  A . NBDP B . EGC receiver C . NBDP or both D . EGC receiver or both

  查看最佳答案

• Which statement is true about the configuration of AutoQoS on a Frame Relay interface？（）

  A . AutoQoS can be configured from a different subinterface if the DLCI is already assigned to one subinterface  B . Multilink PPP (MLP) over Frame Relay must be manually configured on low speed DLCIs  C . for low-speed Frame Relay DLCIs with Frame Relay-to ATM interworking, the AutoQoS cannot be configured if a virtual template is already configured for the DLCI  D . AutoQoS can be configured on a Frame Relay DLCI only if a map class is attached to the DLCI&e

  查看最佳答案

• What is NOT a distress signal?（）

  A . Red flares or red rockets B . Continuous sounding of fog signaling apparatus C . International Code Flags "November" and "Charlie" D . Basket hanging in the rigging

  查看最佳答案

• If you are transmitting a distress message by radiotelephone you should（）.

  A . use English language B . always use the International Code C . preface it by the word SOS D . follow the transmission with the radio alarm signal

  查看最佳答案

• If you are on the beach and are signaling to a small boat in distress that your present location is dangerous and they should land to the left，you would（）.

  A . fire a green star to the left B . send the letter K by light and point to the left C . place an orange signal to your left as you signal with a white light D . send the code signal S followed by L

  查看最佳答案

• A default Frame Relay WAN is classified as what type of physical network?（）

  A . point-to-point B . broadcast multi-access C . nonbroadcast multi-access D . nonbroadcast multipoint.broadcast point-to-multipoint

  查看最佳答案

• A default Frame Relay WAN is classified as what type of physical network?（）

  A . point-to-point   B . broadcast multi-access   C . nonbroadcast multi-access   D . nonbroadcast multipoint  E . broadcast point-to-multipoint&e

  查看最佳答案

• DSC distress relays can be transmitted by either（）or（）.

  A . a coast station/a ship station B . an EPIRB/a SART C . ARQ/FEC D . a back-up satellite/a land SAR unit

  查看最佳答案

• If no distress acknowledgement is received（）a DSC distress call transmission, then the ship in distress may repeat the DSC distress call attempt after a delay of between 3.5 and 4.5 minutes from the beginning of the initial call.

  A . relevant to B . relate to C . in response to D . in relation to

  查看最佳答案

• What does the DSC control unit do if the GMDSS radio operator fails to insert updated information when initiating a DSC distress alert（）.

  A . It will abort the transmission and set off an audible alarm that must be manually reset B . It will initiate the DSC distress alert but，as no information will be transmitted，rescue personnel will not be able to identify the vessel，its position or its situation C . It will initiate the DSC distress alert and default information will automatically be transmitted D . It will initiate the DSC distress alert，but any station receiving it will have to establish contact with the distressed vessel to determine its identity，position and situatio

  查看最佳答案

• We（）the distress signal on our own radio before the shore station relayed it to us.

  A . received alreadly B . have received C . had received D . was receiving

  查看最佳答案

• A new frame relay connection is being brought up. Which of the following are frame relay LMI type options that can be configured on this new link?（）

  A . EIA/TIA B . Q.932 C . Q.933A D . IEEE E . Cisco F . Annex D

  查看最佳答案

• Which of the following Frame-Relay encapsulation commands would you use, if you had to connect your Cisco router to a non-Cisco router?（）

  A . TestKRouter(config-if)# Encapsulation frame-relay dot1q B . TestKRouter(config-if)# Encapsulation frame-relay aal5snap C . TestKRouter(config-if)# Encapsulation frame-relay ietf D . TestKRouter(config-if)# Encapsulation frame-relay isl E . None of the above

  查看最佳答案

• If the DSC controller is configured for MF/HF operation, the distress will be sent on（）.

  A . double frequencies B . single frequency C . dedicated frequency D . multiple frequencie

  查看最佳答案

• （）is the most visible signal of distress from a lifeboat at sea in the daytime.

  A . Smoke signal B . Flash signal C . Fire signal D . Radio emergency transmissio

  查看最佳答案

• What is NOT a distress signal?（）.

  A . Red flares or red rockets B . Continuous sounding of fog signaling apparatus C . International Code Flags November and Charlie D . Basket hanging in the rigging

  查看最佳答案

• When a router is connected to a Frame Relay WAN link using a serial DTE interface, how is the interface clock rate determined?（）

  A . It is supplied by the CSU/DSU. B . It is supplied by the far end router. C . It is determined by the clock rate command. D . It is supplied by the Layer 1 bit stream timing.

  查看最佳答案