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单选题
Which of the following reasons represents why the designed compression ratio of a gasoline engine is lower than that of a diesel engine?（）
A
compression must be low for effective spark ignition
B
compression must be low for required horsepower and torque generation
C
compression must be low to prevent pre-ignition
D
compression must be low to have effective pre-ignition
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更多 “单选题Which of the following reasons represents why the designed compression ratio of a gasoline engine is lower than that of a diesel engine?（）A compression must be low for effective spark ignitionB compression must be low for required horsepower and torque generationC compression must be low to prevent pre-ignitionD compression must be low to have effective pre-ignition” 相关考题
考题
Which of the following reasons represents why the designed compression ratio of a gasoline engine is lower than that of a diesel engine?A.compression must be low for effective spark ignitionB.compression must be low for required horsepower and torque generationC.compression must be low to prevent pre-ignitionD.compression must be low to have effective pre-ignition
考题
Which of the following is NOT a recommended safe practice?A.Securing equipment against slipping or driftingB.Operating machinery at its recommended speedC.Repairing loose handles on tools before usingD.Using tools for purposes for which they are not designed
考题
Which of the following is designed to guarantee that once data is written it cannot be modified?()
A. FlashB. DLT4 tapesC. CD-RD. SDLT tapesE. WORM
考题
Which of the following is true of the squirrel bridge?__________A.It was replaced by a longer one
B.It was built from wood and metal
C.it was rebuilt after years of use
D.It was designed by Bill Hutch
考题
Which of the following expansion card slots was designed specifically for video cards？（）A、 PCIeB、 ISAC、 AGPD、 PCIx
考题
Which of the following reasons indicate why it is important to have the user demonstrate the task they are trying to perform?（）A、To help the technician learn how to perform the task B、To determine if the user is performing the task properly C、To determine if the user is authorized to perform the task D、To help the technician determine if there is a better way to perform the task in question
考题
Which of the following power settings represents 50 percent power in a lightweight access point？（）A、1B、4C、2D、5E、3
考题
There are many reasons why customers lack sufficient security measures on the network. Which two reasons for insufficient security are typical of the customers today?（）A、the use of hosted email services eliminating the need for local securityB、the perceived costs of security solutionsC、the lack of risk analysisD、the lack of threats to their networkE、the belief that free security tools are sufficientF、the desire to avoid unnecessary technologies
考题
Which of the following technologies was designed to provide the FASTEST data rates over analog phone lines?（）A、RADSLB、SONETC、ADSLD、MPLS
考题
Which of the following represents a wiring standard for twisted pair cables?（）A、FiberB、T568AC、IEEE1394D、CAT5
考题
The "1000" in 1000BaseT cabling represents which of the following?（）A、The theoretical maximum cable lengthB、The theoretical maximum bandwidthC、The theoretical port limit of the cableD、The quality level of the copper wiring used
考题
Which of the following is designed to guarantee that once data is written it cannot be modified?（）A、FlashB、DLT4 tapesC、CD-RD、SDLT tapesE、WORM
考题
Which of the following represents a safety hazard？（）A、liquid on the floorB、a tiled floorC、a concrete floorD、carpet
考题
Which of the following describes what the number two represents in l00Base2 cabling?（）A、FiberB、Coaxial cableC、UTPD、Twisted pair
考题
Which of the following technologies is specifically designed to increase server virtualization performance？（）A、 Multicore processingB、 VTC、 64-bit processingD、 Hyperthreading
考题
An administrator needs to configure a server to restrict mail traffic to an application server for security reasons. Which of the following techniques can be used to manage this？（）A、 PATB、 ACLsC、 Subnet maskingD、 Port blocking
考题
The internet address 198.102.27.120 represents which of the following addresses？（）A、Class AB、Class BC、Class CD、Class D
考题
Which of the following represents the correct sequence of events for Database Replay？（）A、 Capture，analyze，preprocess，replayB、 Capture，preprocess，analyze，replayC、 Capture，preprocess，replay，analyzeD、 Analyze，capture，preprocess，replayE、 None of the above
考题
多选题Which of the following is designed to guarantee that once data is written it cannot be modified？（）AFlashBDLT4 tapesCCD-RDSDLT tapesEWORM
考题
单选题Which of the following best describes the structure of the passage?A
It mentions a puzzling situation, and then describes three approaches people have taken to help understand that situation.B
It presents an argument for why something took place, and then offers a refutation of that argument.C
It introduces a past phenomenon and then presents three explanations for why the phenomenon took place.D
It describes a problem, offers a solution to the problem, and then ofiers reasons why the solution could not work.E
It offers three explanations for a phenomenon and then summarizes what all three have in common.
考题
单选题The "1000" in 1000BaseT cabling represents which of the following?（）A
The theoretical maximum cable lengthB
The theoretical maximum bandwidthC
The theoretical port limit of the cableD
The quality level of the copper wiring used
考题
单选题Which of the following reasons indicate why it is important to have the user demonstrate the task they are trying to perform?（）A
To help the technician learn how to perform the task B
To determine if the user is performing the task properly C
To determine if the user is authorized to perform the task D
To help the technician determine if there is a better way to perform the task in question
考题
单选题Which of the following represents a wiring standard for twisted pair cables?（）A
FiberB
T568AC
IEEE1394D
CAT5
考题
单选题Which of the following is not a recommended safe practice?（）A
Securing equipment against slipping or driftingB
Operating machinery at its recommended speedC
Repairing loose handles on tools before usingD
Using tools for purpose for which they are not designed
考题
单选题Which of the following represents a safety hazard？（）A
liquid on the floorB
a tiled floorC
a concrete floorD
carpet
考题
单选题Which of the following most closely represents an image copy? （）A
Unix cp command of a fileB
Bit-by-bit copy of a fileC
Windows COPY command of a file D
All of the above
考题
单选题The writer gives several reasons why the boys on the Churchill team behaved as they did. Which of the following was not one of them?A
They did not like the fact that the boys from Burbank spoke Spanish.B
They felt that they needed to put the Burbank boys in their place.C
They needed to reaffirm the power they felt the Burbank team threatened.D
The Burbank team did not respond to the Churchill team’s insult.
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