【正文】 大多數(shù)的時候它用在星型與樹型網(wǎng)絡拓撲結(jié)構中，以RJ45接口與各主機相連（也有BNC接口），HUB按照不同的說法有很多種類。[ACQ/AC] button on the control unitD. I select[record][event log]and[user event]from the instant access bar and insert the observation in the record user event window估計答案：我選B(解釋：LOP(line of position)a plotted line on which a vsl is located,determined by observation or measurement of the range or bearing to an aid to navigation or other charted element) 老大選 D 正確答案:66. When the software of the FURUNO ECDIS is being updatedit is important that?A. the multiple GPS connected to the ECDIS are updated with the new software versionB. That it is done when the ECDIS in not being used for navigation(in port etc)C. The HUBs(解釋：HUB是一個多端口的轉(zhuǎn)發(fā)器，當以HUB為中心設備時，網(wǎng)絡中某條線路產(chǎn)生了故障，并不影響其它線路的工作。 update chartsB. A manual update is an update to the charts created by the operator from information received from pilota navtex messagea VHF broadcast etc.C. A manual update is an update to the charts by an official representative of the chart producerD. A manual update is a chart created using the digitizer function of FURUNO ECDIS估計答案：B正確答案：25. What should you do if you have to leave your planned route during a voyage?A. switch off the FURUNO ECDIS and concentrate on the radarB. Disable the routing monitoring on the RURUNO ECDISC. Change the display of the FURUNO ECDIS to all IMO all otherD. Configue and enable the check area function to assis me in scaning the ENCS for danger to navigation and hazardous objects估計答案：D正確答案：26. Which operation can you perform (進行)on the FURUNO ECDIS?A. I can record target ship’s position in the voyage log automaticallyB. I can record a position fix manually bu using just one distance and one bearingC. I can playback my past voyage track on the chartsD. I can send my route plan and user chart and notes to FURUNO GPS for displaying the GPS估計答案：C正確答案：27. Where can you change the settings for the Safety Contour used for monitoring?A. nowherebecause i must never change the setting for the safety contourB. In the setting menu and i can only change the setting if i have the service passwordC. In chart alertD. In the route planing tool估計答案：C正確答案： color scheme is used for a Manual update on the Furuno ECDIS? ENC symbols ENC symbols ENC symbols ENC symbols估計答案：C正確答案：29. Which setting can be changed in Sensors?A. log stabilization modeB. Safety contour settingC. Safety depth settingD. Kalmen filter setting估計答案：A正確答案：A30. Where do you change the Ship Outlines(輪廓)?A. in the quick access barB. In chart displayC. In symbol displayD. In the status bar估計答案：C正確答案：C31. Can you set the overall maximum speed for a route plan?A. yes in the ship and route parameters of menuB. In chart displayC. Yes in optimization parametersD. Yes in the route planing tool估計答案：A正確答案：A32. Which information can you find in the Vector Chart Legend?A. magtinec variationB. Base CD numberC. Permit expiration dateD. Safety contour setting估計答案：A正確答案：33. Where do you change the Velocity Vectors style?A. in the quick access barB. In chart displayC. In symbol displayD. In the status bar估計答案：C正確答案：C34. Where can you find information concerning the charts stored on the HDD(硬盤驅(qū)動器)?A. on the internetB. The chief officer will knowC. In the chart catalogueD. In the chart display menu估計答案：C 或 D(可能性比較大) 網(wǎng)上選C正確答案：35. How do you document(記錄) your previous voyage on the FURUNO ECDIS?A. I use my paper logbook as documentationB. I use my paper logbook and my VDR or SVDR as documentationC. I use the tracking function in the symbol displayD. I show a playback of my past voyage track on the charts估計答案：D正確答案：36. Which operation can you perform during a voyage or after pletion of a voyage?A. i can use the record function to record special events in the voyage logB. I can create and save a screen shot(截屏) for future referenceC. I can view and print a copy of details logD. I can connect the ECDIS to the internat and upload all documentation to an external storage估計答案：A正確答案:37. Which information can you find in the Raster Chart Legend?A. magnetic variationB