题目内容

Which of the following operates in the 2.4GHz range and has a MAXIMUM distance of 10 meters （33 feet)？（）

A. x-10
Bluetooth
C. 802.11a
D. 802.11b

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WhichofthefollowingfiletypescanMicrosoftserverspackageforremoteinstallationbydefault？（）

A. .exe
B. .ini
C. .msi
D. .dll

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AccordingtoOhm’sLaw，whichofthefollowingiscorrect？（）

Asvoltageincreases，resistancedecreases
B. Asamperagedecreases，resistancedecreases
C. Asresistancedecreases，amperageincreases
D. Asresistanceincreases，voltageincreases

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可锻铸铁的碳当量一定比灰口铸铁低。（)

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Anetworkadministratorofacompanyhasmanybranchlocationseachusingasubnetmaskof255.255.255.224.Whichofthefollowingdynamicroutingprotocolsshouldbeused？（）

A. IPv6
B. RIP
C. IGRP
D. RIPv2

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Which of the following operates in the 2.4GHz range and has a MAXIMUM distance of 10 meters （33 feet)？（）

A. x-10 Bluetooth C. 802.11a D. 802.11b

WhichofthefollowingfiletypescanMicrosoftserverspackageforremoteinstallationbydefault？（）

AccordingtoOhm’sLaw，whichofthefollowingiscorrect？（）

可锻铸铁的碳当量一定比灰口铸铁低。（)

Anetworkadministratorofacompanyhasmanybranchlocationseachusingasubnetmaskof255.255.255.224.Whichofthefollowingdynamicroutingprotocolsshouldbeused？（）

A. x-10
Bluetooth
C. 802.11a
D. 802.11b