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fire mask（）
- A、消防栓
- B、消防车
- C、消防船
- D、消防面具
参考答案
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Throw a （）to the person overboard and help him come on board.A、lifeboatB、life-raftC、lifebuoyD、fire mask
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下列地址中，和10.110.53.233在同一网段的地址有（）A、10.110.48.10 mask 255.255.248B、10.110.43.10 mask 255.255.0.0C、10.110.43.10 mask 255.255.248.0D、10.110.48.10 mask 255.255.0.0
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The network administrator is asked to configure 113 point-to-point links.Which IP addressing scheme best defines the address range and subnet mask that meet the requirement and waste the fewest subnet and host addresses?（）A、10.10.0.0/18 subnetted with mask 255.255.255.252B、10.10.0.0/25 subnetted with mask 255.255.255.252C、10.10.0.0/24 subnetted with mask 255.255.255.252D、10.10.0.0/23 subnetted with mask 255.255.255.252E、10.10.0.0/16 subnetted with mask 255.255.255.252
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Which two statements are true of a network mask?（）A、A subnet mask specifies the portion of an IP address that is in a binary format.B、A subnet mask specifies the portion of an IP address that is in a decimal format.C、A subnet mask specifies the portion of an IP address that represents a network prefix.D、A subnet mask specifies the portion of an IP address that represents network hosts.
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Which two statements are true of a network mask?（）A、A subnet mask specifies the portion of an IP address that is in a binary formatB、A subnet mask specifies the portion of an IP address that is in a decimal formatC、A subnet mask specifies the portion of an IP address that represents a network prefixD、A subnet mask specifies the portion of an IP address that represetns network hosts
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After Effects 6.5中，用下面的什么运算可以求一个图层上mask1和mask2之间的交集（假设mask1和mask2的不透明度为100％，且mask1在mask2的上面）？（）A、mask1为Add方式，mask2为Subtract方式B、mask1为Add方式，mask2为Intersect方式C、mask1为Add方式，mask2为Difference方式D、mask1为Add方式，mask2为Add方式
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单选题What is the passage about?A
The Great Fire of London.B
Who was the first to discover the fire?C
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单选题When two fire hose teams are attacking a fire they should（）.A
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单选题Which of the following statements represents the correct action to take when three crew members discover a fire?（）A
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One man report the fire, one man fight the fire, and one man evacuate and secure the areaC
One man report the fire, one man fight the fire, and one man act as a safety observerD
All three men fight the fire and report it immediately after it is extinguished
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单选题An example of class "A" fire is a/an （）.A
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mattress fire in a stateroom
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单选题After Effects 6.5中，用下面的什么运算可以求一个图层上mask1和mask2之间的交集（假设mask1和mask2的不透明度为100％，且mask1在mask2的上面）？（）A
mask1为Add方式，mask2为Subtract方式B
mask1为Add方式，mask2为Intersect方式C
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考题
单选题A fire is considered "under control" when （）.A
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单选题Which two statements are true of a network mask?（）A
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A subnet mask specifies the portion of an IP address that is in a decimal formatC
A subnet mask specifies the portion of an IP address that represents a network prefixD
A subnet mask specifies the portion of an IP address that represetns network hosts
考题
单选题During a fire drill on a vessel,what action is required?（）.A
Start each fire pumpB
Launch aand run a lifeboatC
Inventory rescue and fire equipmentD
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考题
单选题During a fire drill on a ship，what action is required?（）A
Start each fire pumpB
Launch and run a lifeboatC
Inventory rescue and fire equipmentD
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多选题Which two statements are true of a network mask?（）AA subnet mask specifies the portion of an IP address that is in a binary format.BA subnet mask specifies the portion of an IP address that is in a decimal format.CA subnet mask specifies the portion of an IP address that represents a network prefix.DA subnet mask specifies the portion of an IP address that represents network hosts.
考题
单选题The network administrator is asked to configure 113 point-to-point links.Which IP addressing scheme best defines the address range and subnet mask that meet the requirement and waste the fewest subnet and host addresses?（）A
10.10.0.0/18 subnetted with mask 255.255.255.252B
10.10.0.0/25 subnetted with mask 255.255.255.252C
10.10.0.0/24 subnetted with mask 255.255.255.252D
10.10.0.0/23 subnetted with mask 255.255.255.252E
10.10.0.0/16 subnetted with mask 255.255.255.252
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