Which of the following is a device used at the edge of the network to aggregate DSL circuits together onto one ingress circuit that connects to the central switch site?
A) FRAD B) RAS
C) ATM access concentrators D) DSLAM
D
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Although ____ are more expensive to install, they provide many advantages that direct burial installations do not.
A. telephone poles B. contoured paths C. pole caps D. underground raceways
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What is the purpose of a payment bond?
What will be an ideal response?
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What is the best way to learn how to service an ice machine?
a. Go to factory sponsored seminars and training sessions. b. Experiment on all different makes and models of ice machines. c. Read the installation and service manuals.
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What controls the length of the defrost cycle on most commercial refrigeration systems?
A) The defrost timer B) The high pressure switch C) The defrost termination thermostat D) The evaporator fan motor
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