What is another name for data hub in a network system?

A. network star
B. mainframe
C. dumb node
D. focal point


Answer: A

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In the first half of the 19th century, tax-supported schools were

A. chiefly available to educate the children of the poor and European immigrants. B. most in evidence in the South. C. uniformly and consistently opposed by upper-class white Protestant Americans. D. open only to tuition-paying children of the well-to-do. E. more academically demanding than private academies.

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Roots grow toward gravity and are said to be _____________________ geotropic

Fill in the blank(s) with correct word

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The advantage of using an evaporator coil that is an AHRI match for the condensing unit is that

A) Matched systems earn AHRI "Cool Points" which can be redeemed for prizes B) The performance and efficiency of the system are certified C) Matched systems do not require EPA certification for installation D) Matched systems do not require evacuation and charging

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The ____ amplifier is unique in that it has two separate inputs and can provide either one or two outputs.

A. darlington B. multiple-stage C. complementary D. differential

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