更多"Loran-C is which type of system（）."的相关试题:
[单项选择]The routing system which aimed at reducing the risk of casualties is called as（）.
A. traffic separation schemes
B. recommended tracks
C. precautionary areas
D. inshore traffic zones
[单项选择]AMVER is a system which provides（）.
A. satellite communications
B. navigational information
C. weather information
D. position reporting service
[单项选择]The Routing System which aimed at reducing the risk of casualties is called as（）.
A. Traffic Separation Schemes
B. Recommended tracks
C. Precautionary areas
D. Inshore traffic zones
[单项选择]Which type of EIGRP route entry describes a fesible successor？（）
A. a primary route，stored in the routing table
B. a backup route，stored in the routingt able
C. a backup route，stored in the topology table
D. A primary route，stored in the topology table
[单项选择]Which type of attack is characterized by flood of packet that requesing a TCP connection to a server?（）
A. denial of service
B. brute force
C. reconnaissance
D. Trojan horse
[单项选择]Which type of EIGRP route entry describes a feasible successor?（）
A. a primary route,stored in the routing table
B. a backup route,stored in the routing table
C. a backup route,stored in the topology table
D. a primary route,stored in the topology table
[单项选择]The component of a refrigerating system in which the refrigerant vaporizes and absorbs heat is known as the （）.
A. condenser
B. vapor generator
C. accumulator
D. evaporator
[单项选择]In a refrigeration system, which of the following statements describes the actions occurring when a solenoid valves, used in conjunction with an unloader head is energized?（）
A. The solenoid valves directs high pressure gas to the valve lifting device raising the suction valve off its seat and causing one specific cylinder to become unloaded
B. The solenoid valves directs high pressure gas to the underside of the unloading piston, causing it to rise and allowing the recirculating ports to be opened
C. When the solenoid valve becomes energized, the valve ports become closed, allowing discharge pressure to build up above the piston, shifting it and causing it to unload
D. The solenoid valve allows the refrigerant to pass from the suction chamber to the top of the unloader piston, causing the piston to lift and unload the cylinder
[单项选择]For which type of connection should a straight-through cable be used?（）
A. switch to switch
B. switch to hub
C. switch to router
D. hub to hub
E. router to PC
[单项选择]Which type of attack is characterized by a flood of packets that are requesting a TCP connection to a server（）。
A. denial of service
B. brute force
C. reconnaissance
D. Trojan horse
[单项选择]Which type of link is generally used to connect shots of anchor chain（）.
A. Detachable
B. Open
C. Pear shaped
D. Stud link
[单项选择]From which type of cloud can a tornado or waterspout develop?（）
A. Nimbostratus
B. Altostratus
C. Cumulonimbus
D. Cirrus
[单项选择]Which type of precipitation is a product of the violent convection found in thunderstorms（）.
A. Snow
B. Freezing Rain
C. Hail
D. Sleet
