[单项选择]The biggest problem you generally encounter while towing a single tow astern is（）.
A. the catenary dragging on the bottom
B. swamping of the tow
C. the tow tending to dive
D. yaw

[单项选择]The biggest problem encountered when towing bridle legs are too short is（）.
A. retrieval
B. adjusting tension
C. excessive strain
D. hookup to main towline

[多项选择] While troubleshooting an EIGRP routing problem you notice that one of the routers have generated a large number of SIA messages. What are two possible causes for EIGRP Stuck - In -Active routes?（）
A. Some quer y or reply packets are lost between the routers.
B. The neighboring router starts receiving route updates from this router.
C. A failure causes traffic on a link between two neighboring routers to flow in only one direction(unidirectional link).
D. Th e neighboring router stops receiving ACK packets from this router.

[单项选择]If a mooring line should part while you are tying up at a dock，you should make a temporary eye by tying a（）.
A. becket bend
B. clove hitch
C. bowline
D. square knot

[单项选择]If the winch should fail while you are hauling in the anchor，what prevents the anchor cable from running out（）.
A. Chain stopper
B. Devil's claw
C. Hawse ratchet
D. Riding pawl

[单项选择]While you are on watch entering port，the Master gives the helmsman a rudder command which conflicts with a rudder command from the Pilot.You should make sure the helmsman（）.
A. Obeys the Pilot
B. Obeys the Master
C. Asks you for instructions
D. Brings the rudder to a point midway between the two conflicting positions

[单项选择]While you are at anchor，what will serve as a positive warning that you are drifting towards the wrecks located to the NW and SW of your 2215 position（）.
A. A decreasing reading on loran pair 9960-X
B. The bearing of Wolf Trap Light changing to the right
C. Increasing soundings
D. The bearing of Wolf Trap Light changing to the left

[单项选择]While you are working in a space，the fixed CO₂ system is accidentally activated．You should（）.
A. Secure the applicators to preserve the charge in the cylinders
B. Continue with your work as there is nothing you can do to stop the flow of CO₂
C. Retreat to fresh air and ventilate the compartment before returning
D. Make sure all doors and vents are secured

[单项选择]While troubleshooting a network problem,a technician discovers that the current copy of the Cisco IOS is outdated and needs to be updated.Which of the following commands would the technician issue to replace the Cisco router IOS with the newer version?（）
A. Router#copy tftp flash
B. Router(config)#restore flash
C. Router(config)#repair flash
D. Router#copy flash run
E. Router>copy start flash
F. Router#copy start flash

[多项选择] While trying to diagnose a routing problem in the network, you issue RIP debugging as displayed below: RtrA#debug ip rip Rip protocol debugging is on RtrA# 1d05h: RIP: sending v1 update to 255.255.255.255 via FastEthernet0/0 (172.16.1.1) 1d05h: RIP: build update entries 1d05h: network 10.0.0.0 metric 1 1d05h: network 192.168.1.0 metric 2 1d05h: RIP: sending v1 update to 255.255.255.255 via Serial0/0 (10.0.8.1) 1d05h: RIP: build update entries 1d05h: network 172.16.0.0 metric 1 RtrA# 1d05h: RIP: received v1 update from 10.0.15.2 on Serial0/0 1d05h: 192.168.1.0 in 1 hops 1d05h: 192.168.0 in 16 hops (inaccessible) Based on the output of the above exhibit, which two of the following statements are true?（）
A. A ping to 10.0.15.2 will be successful.
B. RtrA has three interfaces that will take part in the RIP process.
C. There are at least two routers participating in the RIP process.
D. A ping to 192.168.168.2 will be successful.

[单项选择]A fire starts on you vessel while refueling. You should first（）.
A. stop the ventilation
B. sound the general alarm
C. determine the source of the fire
D. attempt to extinguish the fire

[单项选择]While maneuvering, you discover heavy smoke coming from the turbocharger casing, you should （）
A. check the air filter for dirt
B. check for an exhaust leak
C. check the cooling water temperature
D. notify the bridge that you are going to shut the engine down

[多项选择]While troubleshooting some connectivity issues，you issue the “show ip ospf database”in order to ex amine the link state database. Which three of the statements below are true regarding the OSPF link state database（）
A. Each router has an identical link state database.
B. External routes are imported into a separate link state database.
C. Syn chronization of link state databases is maintained via floodingo f LSAs.
D. Information in the link state database is used to build a routing table by calculating a shortest-path tree.
E. By default,link state databases are refreshede very 10 minutes in the absence of topology changes.

[单项选择]A fire starts on your vessel while refueling. You should FIRST（）.
A. stop the ventilation
B. sound the general alarm
C. determine the source of the fire
D. attempt to extinguish the fire

[单项选择]While on watch，you notice that the air temperature is dropping and is approaching the dew point.Which type of weather should be forecasted（）.
A. Hail
B. Heavy rain
C. Sleet
D. Fog

[单项选择]While loading bunkers, you notice oil on the water near the vesselWhat should you do first?（）
A. Stop loading
B. Notify the harbour administration
C. Determine if the vessel is the source of the pollution
D. Start the main engine and put them in gear to disperse the spill

[单项选择]If you came into contact with nitrobenzene while disconnecting the cargo hose，you should be aware that it is（）.
A. highly toxic when absorbed through the skin
B. a blood poison
C. a nerve poison
D. All of the above

[单项选择]You detect oil around your tank vessel while discharging. The first thing to do is（）.
A. try to find out where the oil is coming from
B. call the master
C. have the pumpman check the discharge piping
D. shut down operations