Which fire detection system is actuated by sensing a heat rise in a compartment?（）

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• Buoys are marked with reflective material to assist in their detection by searchlight. Which statement is TRUE? （）

  A . A safe-water buoy will display red and white vertical stripes of reflective material B . All reflective material is white because it is the most visible at night C . A special-purpose mark will display either red or green reflective material to agree with its shape D . A preferred-channel buoy displays either red or green reflective material to agree with the top band of color

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• Which method is used to detect rot in manila lines?（）

  A . Feeling the surface of the line for broken fibers B . Measuring the reduction in circumference of the line C . Observing for the appearance of mildew on the outer surface D . Opening the strands and examining the inner fiber

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• On the wlse，which of the following tasks must be completed before interference detection can be enabled？（）

  A . enable self-healing. B . configure location manager. C . conduct client walkabout. D . conduct radio scan.

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• Removing which will extinguish a fire?（）.

  A . Nitrogen B . Carbon dioxide C . Sodium D . Oxyge

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• Fire detecting systems on merchant vessels may be arranged to sense （）.

  A . smoke B . rate of temperature rise C . ionized particles D . all of the above

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• Which of the following methods can be used to detect block corruption？（）  

  A .  ANALYZE operations B .  dbv C .  SQL queries that access the potentially corrupt block D .  RMAN E .  All of the above

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• Dry chemical fire extinguishers are effective on which type(s) of fire?（）

  A . Burning oil B . Electrical C . Paint D . All of the above

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• On the WLSE， which of the following tasks must be completed before Interference Detection canbe enabled？（）

  A . Enable Self-Healing. B . Configure Location Manager. C . Conduct Client Walkabout. D . Conduct Radio Scan.

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• Halon fire extinguishers are NOT effective when used on which types of fires?（）

  A . Fires in electrical equipment B . Flammable oils and greases C . Class A fires in ordinary combustibles D . Materials containing their own oxyge

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• The minimum range at which a target can be detected is basically determined by which of the following?（）.

  A . persistence B . pulse repetition rate C . pulse length D . rotation rate

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• A towing vessel’s fire detection system may be certified to comply with the Coast Guard’s towing vessel fire protection regulations by（）.

  A . a Coast Guard inspector B . a registered professional engineer C . the owner or Master of the vessel D . a licensed electricia

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• Once a fire is detected the engine should be slowed downOn no account （）.

  A . the trunking should be opened up B . should the trunking be opened up C . the trunking should not be opened up D . should the trunking not be opened u

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• Loop guard and UniDirectional Link Detection both protect against Layer 2 STP loops. In which two ways does loop guard differ from UDLD in loop detection and prevention？ （）

  A .  Loop guard can be used with root guard simultaneously on the same port on the same VLAN while UDLD cannot B .  UDLD protects against STP failures caused by cabling problems that create one-way links. C .  Loop guard detects and protects against duplicate packets being received and transmitted on different ports D .  UDLD protects against unidirectional cabling problems on copper and fiber media. E .  Loop guard protects against STP failures caused by problems that result in the loss of BPDUs from a designated switch port.

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• Once a scavenge fire is detected the engine （）.

  A . will be speeded up B . should be slowed down C . must slow down D . have to be slow dow

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• Which space(s) on your cargo vessel must have a fire detection system?（）

  A . Any compartment containing explosives B . Any compartment adjacent to one containing explosives C . Enclosed spaces which are specially suitable for vehicles D . All of the above

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• Which two mechanisms can be used to detect IPsec GRE tunnel failures？（）

  A . Dead Peer Detection （DPD） B . CDP C . isakmp keepalives D . GRE keepalive mechanism E . The hello mechanism of the routing protocol across the IPsec tunnel

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• Which of the following IOS commands can detect whether the SQL slammer virus propagates in yournetworks？（）

  A . access-list 100 permit any any udp eq 1434 B . access-list 100 permit any any udp eq 1434 log C . access-list 110 permit any any udp eq 69 D . access-list 110 permit any any udp eq 69 log E . None of above.

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• Once a scavenge fire is detected, fuel should be shut off from the affected cylinders and cylinder lubrication increased （） the risk of seizure.

  A . to protect B . to guard C . to maximize D . to minimize

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• Loop guard and UniDirectional Link Detection both protect against Layer 2 STP loops. In which two ways does loop guard differ from UDLD in loop detection and prevention？（）

  A . Loop guard can be used with root guard simultaneously on the same port on the same VLAN while UDLD cannot. B . UDLD protects against STP failures caused by cabling problems that create one-way links. C . Loop guard detects and protects against duplicate packets being received and transmitted on different ports. D . UDLD protects against unidirectional cabling problems on copper and fiber media. E . Loop guard protects against STP failures caused by problems that result in the loss of BPDUs from a designated switch port.

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• Which portable fire extinguisher should be used on a class C fire on board a vessel?（）

  A . Carbon dioxide B . Water (stored pressure) C . Foam D . Carbon tetrachloride

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• Which of the listed fire extinguishers is recommended for use on an electrical switchboard fire？

  A.CO2 B.ABC dry chemical C.CO2 propelled foam D.All of the above

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• Buoys are marked with reflective material to assist in their detection by searchlight.Which statement is TRUE ().

  A.A safe-water buoy will display red and white vertical stripes of reflective material B.All reflective material is white because it is the most visible at night C.A special-purpose mark will display either red or green reflective material to agree with its shape D.A preferred-channel buoy displays either red or green reflective material to agree with the top band of color

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