更多"Which statement about the Navigatio"的相关试题:
[单项选择]Which statement about satellite navigation is TRUE? （）
A. While a fix can be generated by signals received from two satellites，three satellites are necessary for reliable accuracy
B. The satellites are in equatorial orbits around the earth about 60°of longitude apart
C. The satellite navigation system determines a fix by measuring the doppler shift of the radio signals from the satellite
D. The ship's receiver cannot begin processing data until the antenna locks onto the satellite and starts continuous tracking
[多项选择]Which statements are true about EIGRP successor routes (Choose two.)（）。
A. A successor route is used by EIGRP to forward traffic to a destination.
B. Successor routes are saved in the topology table to be used if the primary route fails.
C. Successor routes are flagged as "active" in the routing table.
D. A successor route may be backed up by a feasible successor route.
E. Successor routes are stored in the neighbor table following the discovery process.
[单项选择]Which statement is TRUE，according to the Rules（）.
A. A vessel not under command shall keep out of the way of a vessel restricted in her ability to maneuver
B. A vessel not under command shall avoid impeding the safe passage of a vessel constrained by her draft
C. A vessel constrained by her draft shall keep out of the way of a vessel engaged in fishing
D. A vessel engaged in fishing while underway shall，so far as possible，keep out of the way of a vessel restricted in her ability to maneuver
[单项选择]Which statement is true about full-duplex Ethernet in comparison to half-duplex Ethernet（）。
A. Full-duplex Ethernet consists of a shared cable segment. Half-duplex Ethernet provides a point-to-point link.
B. Full-duplex Ethernet uses a loopback circuit to detect collisions. Half-duplex Ethernet uses a jam signal.
C. Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth.
D. Full-duplex Ethernet uses two wires to send and receive. Half-duplex Ethernet uses one wire to send and receive.
[单项选择]Which statement is TRUE about placing the eyes of two mooring lines on the same bollard?（）
A. Put one line at the low point and one at the high point of the bollard so they don't touch
B. Take the eye of the second line up through the eye of the first line before putting the second line on the bollard
C. Never put two mooring lines on the same bollard
D. The mooring line forward should be put on the bollard first
[单项选择]Which statement is TRUE about nylon line?（）
A. Manila line will usually last longer than nylon line
B. Nylon line is excellent for use in alongside towing
C. A normal safe working load will stretch nylon line 50%
D. Nylon stoppers should be used with nylon line
[单项选择]Which statement concerning the navigation of a vessel in ice is FALSE?（）
A. Anchoring in the presence of ice is not recommended except in an emergency
B. Towing a vessel through an ice field is not recommended except in an emergency
C. The "Free and Proceed" system of escorting a beset vessel cuts down on the number of freeing operations
D. When anchoring in ice，it is advisable to increase the scope of the chain over what is normally used for non-icing conditions
[多项选择]Which three statements about EIGRP are true?（）
A. EIGRP converges fast RIP because of DUAL and backup routes that are stored in the topology table.
B. EIGRP uses a hello protocol to establish neighbor relationships
C. EIGRP uses split horizon and reverse poisoning to avoid routing loops.
D. EIGRP uses periodic updates to exchange routing information
E. EIGRP allows routers of different manufacturers to interoperate
F. EIGRP supports VLSM and authentication for routing updates.
G. EIGRP use a broadcast address to send routing information.
[单项选择]Which statement about firefighting foam is TRUE?（）
A. Foam conducts electricity
B. To be most effective，foam should be directed at the base of the fire
C. Foam is most effective on burning liquids which are flowing
D. Foam can ONLY be used to extinguish class A fires
[单项选择]Which statement about immersion suits is TRUE?（）
A. The primary color of the suit's exterior may be red，orange or yellow
B. The suit must，without assistance，turn an unconscious person's mouth clear of the water within 5 seconds
C. The suit is flameproof and provides protection to a wearer swimming in burning oil
D. The suit may be stored in a machinery space where the ambient temperature is 160°F
[多项选择]Which two statements are true about the command ip route 172.16.3.0 255.255.255.0 192.168.2.4?（）
A. It establishes a static route to the 172.16.3.0 network.
B. It establishes a static route to the 192.168.2.0 network.
C. It configures the router to send any traffic for an unknown destination to the 172.16.3.0 network.
D. It configures the router to send any traffic for an unknown destination out the interface with the address 192.168.2.4.
E. It uses the default administrative distance.
F. It is a route that would be used last if other routes to the same destination exist.
[多项选择]Which three statements about VTP features are true?（）
A. When properly configured,VTP minimizes VLAN misconfigurations and configuration inconsistencies
B. Each broadcast domain on a switch can have its own unique VTP domain
C. VTP works at Layer 3 of the OSI model and requires that a management VLAN IP address be configured.
D. When properly configured,VTP maintains VLAN configuration consistency and accelerates trunk link negotiation.
E. VTP pruning is used to increase available bandwidth in trunk links
F. Client,server,and transparent are valid VTP modes
G. To configure a switch to be part of two VTP domains,each domain must have its own passwords
[多项选择]Which is true about OSPF router-id?（）
A. It is used for type 1 router LSA
B. Highest IP address of the loopback is used
C. router-id needs to be matched on ospf neighbors
D. router-id is 16 bit
[单项选择]Which statement about stowing spare hose is TRUE（）.
A. Fold the hose so that the male coupling is about 4 feet from the female coupling，then roll it up
B. Roll the hose starting at the female end
C. Roll the hose starting at the male end
D. Fold the hose into lengths about 6 feet long and then lash the folds together
[单项选择]Which statement is TRUE concerning radiotelephones on board towing vessels?（）
A. There cannot be a radiotelephone located anywhere except in the wheelhouse
B. The officer in charge of the wheelhouse is considered to have the radiotelephone watch
C. Only distress messages may be transmitted over channel 13
D. Only the Master of the vessel is allowed to speak over the radiotelephone
[单项选择]Which statement about stopping a vessel is TRUE?（）
A. A lightly laden vessel requires as much stopping distance as a fully laden vessel when the current is from astern
B. A vessel is dead in the water when the back wash from astern operation reaches the bow
C. A tunnel bow thruster can be used in an emergency to reduce the stopping distance
D. When a vessel is dead in the water any speed displayed by doppler log reflects the current
[单项选择]Which of the following is true about the fuel injection with an ordinary diesel engine?（）
A. The process begins after TDC
B. The process ends before TDC
C. When the piston is near to the TDC the fuel injection ends
D. None of the above is true
