单项选择题

WhichofthefollowingBESTdescribesCAT5e？（）

A.Containsfourpairofwiresofvariousgauge
B.Containstwowiresinaredfireproofjacket
C.Containsfourtwistedpairsofwires
D.Containseightwireswithinathickjacketwitharipcord

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热门试题

单项选择题

Eachtimethedistancefromthespeakerisdoubled，volumedecreasesby（）.

A.3dB
B.6dB
C.12dB
D.24dB

单项选择题

WhichofthefollowingfiletypescanMicrosoftserverspackageforremoteinstallationbydefault？（）

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