An engineer has added the following configuration snippet to an implementation planning document. The configuration will be added to Router R1, whose Fa0/0 interface connects to a LAN to which Routers R2 and R3 also connect. R2 and R3 are already EIGRP neighbors with each of her. Assuming the snippet shows all commands on R1 related to EIGRP authentication, which answer lists an appropriate comment to be made during the implementation plan peer review?（） key chain fred key 3 key - string whehew interface fa0/0 ip authenticat ion key

第1题

[] About the jacket water, that of the auxiliary engines usually（） is circulated by pumps, and the main engine usually （）

A、A.an engine-driven；as well B、B.an engine-driven；has an independent pump C、C.an independent；as well D、D.an independent；has an engine-driven pump

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第2题

[单选题] What is the function of an engine’s stationary parts?（）

A、To add power to the engine B、To keep the engine firmly attached to its supporting base C、To keep moving engine part in their proper relative positions D、To rotate the crankshaft

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第3题

[] An over-speed trip stops a diesel engine when the engine （）

A、A.runs out of fuel B、B.has low lubricating oil pressure C、C.exceeds a set maximum speed D、D.has high cooling water temperature

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第4题

[单选题] The ship has（）of more than 10 meters at full load.

A、an engine B、an overall length C、a displacement D、a draft

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第5题

[单选题] “Stand by an engine” means （）

A、“prepare to stop the engine” B、“assemble an engine on its bedplate” C、“make an engine ready for starting” D、“dismantle an engine”

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第6题

[单选题] “Stand by engine” means （）.

A、prepare to stop the engine B、assemble an engine on its bedplate C、make an engine ready for starting D、make an engine run steadily

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第7题

[单选题] Before starting a diesel engine that has an engine driven lube oil pump, the engineer should （）.

A、open the bypass line B、cut in the lube oil cooler C、pressurize the lube oil system D、top off the expansion tank

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第8题

[单选题] After an engine is started you should（）.

A、increase engine speed to insure adequate flow of oil to all parts of the engine B、pay no attention unless there are unusual noises from the engine C、check operating pressures and temperatures，and check for leaks D、run the engine at idle until the temperature has increased

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第9题

[单选题] If the chemical analysis of a lube oil sample taken from a diesel engine indicates an increased neutralization number, the （）.

A、acidity has increased B、viscosity has decreased C、demulsibility has improved D、foaming is guaranteed to occur

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第10题

[] R1, an ABR between backbone area 0 and area 1, has intra - area routes in area 0 for 10.1.1.0/24,10.1.2.0/24, and 10.1.3.0/24. These routes have metrics of 21, 22, and 23, respectively. An engineer then adds the area 0 r ange 10.1.0.0 255.255.0.0 command under the OSPF process of R1. Which of the following is true?（） R1, an ABR between backbone area 0 and area 1, has intra - area routes in area 0 for 10.1.1.0/24,10.1.2.0/24, and 10.1.3.0/24. These routes have metrics of 21, 22, and 23, respectively. An engineer then adds the area 0 r ange 10.1.0.0 255.255.0.0 command under the OSPF process of R1. Which of the following is true?（）

A、A. R1 loses and then re - establishes neighborships with all neighbors. B、B. R1 no longer advertises 10.1.1.0/24 to neighbors into area 1. C、C. R1 advertises a 1 0.1.0.0/16 route into area 1 with a metric of 23 (largest metric). D、D. R1 advertises a 10.1.0.0/16 route into area 1 with metric of 21 (lowest metric).

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