更多"What is the purpose of tricing pend"的相关试题:
[单项选择]The tricing pendants should be released（）.
A. before the gripes are removed
B. before loading the passengers
C. after loading the passengers
D. after the boat is afloat
[单项选择]What purpose does a bridge fitting serve when lashing containers?（）.
A. Ties a container stack to the deck
B. Ties a container to the container below it
C. Restrains racking loads
D. Restrains the container against horizontal motion
[单项选择]When launching a lifeboat，the tricing pennants should be released（）.
A. before the boat is lowered from the stowed position
B. as the boat-fall blocks break clear of the davit head
C. before the boat is lowered from the embarkation level
D. after the boat is released into the water
[单项选择]What indicates a dual purpose buoy? （）
A. Red buoy with a horizontal yellow band
B. Red and white vertically-striped buoy with a vertical yellow stripe
C. Red and white vertically-striped buoy with a red spherical topmark
D. Green buoy with a yellow square
[单项选择]In launching a lifeboat，when should the tricing pendants be released?（）.
A. Before the boat is lowered from the stowage position
B. As soon as the boat-fall blocks clear the davit head
C. After the limit switch is activated
D. After all people have been embarked
[单项选择]What is the purpose of assigning an IP address to a switch?（）
A. Provides local hosts with a default gateway address
B. Allows remote management of the switch.
C. Allows the switch to respond to ARP requests between two hosts
D. Ensures that hosts on the same LAN can communicate with each other.
[单项选择]What is the purpose of the cisco Vlan Trunking protocol?（）
A. to provide a mechanism to dynamically assign vlan membership to switch ports
B. to allow traffic to be carried from multiple vlans over a single link between switches
C. to allow native vlan information to be carried over a trunk link
D. to provide a mechanism to manually assign vlan membership to switch ports
E. to allow for managing the additions,deletions,and changes of vlans between switchs
[单项选择]What is the fundamental purpose for imposing radio silence? （）
A. To ensure that interference to proprietary communications is minimized
B. To ensure that only voice communications can be effected on the distress frequency or channel
C. To ensure that a distressed vessel will have a "window" twice each hour for transmitting routine messages
D. To ensure that interference on a particular frequency or channel to communications concerning emergency traffic is minimized
[单项选择]What is the primary purpose for Digital Selective Calling (DSC)?（）
A. DSC provides reception of weather and navigational warnings plus search and rescue information
B. DSC provides low-cost，routine communications for the vessel operator
C. DSC is to be used for transmitting and receiving distress alerts to and from other ships or coast radio stations via radio
D. This aids SAR authorities in tracking a vessel's position by satellite
[单项选择]What is the purpose of pressure-vacuum relief valves? （）
A. Regulation of discharge pressure from cargo pumps
B. Maintaining constant velocity in cargo lines
C. Regulation of suction head on cargo pumps
D. To maintain a tank or void at atmospheric pressure
[单项选择]What is the purpose of the limit switch on gravity davits?（）
A. To cut off the power when the davits hit the track safety stops
B. To stop the davits from going too fast
C. To cut off the power when the davits are about 12 inches or more from the track safety stops
D. None of the above
[单项选择]What is the main purpose of dunnage（）.
A. To act as ballast for light vessels
B. To provide ventilation and drainage for cargo
C. To secure the tarpaulins in place
D. To support weakened bulkheads
[单项选择]For what purpose would using a Lambert conformal chart be more convenient than using a Mercator?（）
A. Plotting radio bearings over a long distance
B. Determining latitude and longitude of a fix
C. Measuring rhumb line distances
D. Measuring rhumb line directions
[单项选择]What is the purpose of the inverse ARP？（）
A. to map a known DLCI to an IP address
B. to mapa known IP address to a MAC address
C. to map known SPID toa MAC address
D. to map a known DLCI to a MAC address
E. to map a known IP address to a SPID
F. to mapa known MAC address to an IP address
[单项选择]What is the purpose of a relief valve?（）
A. to fill 2 tanks at the same time
B. to use pump at a higher pressure
C. to return liquid to suction side if discharge valve is closed
D. All of the above are true
[单项选择]What is the purpose using the traceroute command?（）
A. to map all the devices on a network.
B. to display the current TCP/IP configuration values.
C. to see how a device MAC address is mapped to its IP address.
D. to see the path a packet will take when traveling to a specified destination.
E. to display the MTU values for each router in a specified network path from source to a destination.
[单项选择]What is the purpose of IGMP in a multicast implementation?（）
A. it is not used in multicast
B. it determines the virtual address group for a multicast destination
C. it dynamically registers individual hosts in a multicast group on a specific LAN
D. it is used on WAN connections to determine the maximum bandwidth of a connection
E. it determines whether Bidirectional PIM or PIM sparse mode will be used for a multicast flow
