BICSI OSP Design Self-Made Practice Test Graded A+

What is an advantage of optical fiber cables? a) They are highly secure b) They are immune to electromagnetic interference c) They have a large installed base d) They are a proven technology - ANSWER-b) They are immune to electromagnetic interference What is a disadvantage of balanced twisted-pair cables? a) They are more expensive than other types of cables b) They have a high sensitivity to external EMI c) They have limited distance and configuration limitations for high bandwidth applications d) They require building entrance overvoltage/overcurrent protection - ANSWER-c) They have limited distance and configuration limitations for high bandwidth applications Which type of coaxial cable is less susceptible to interference and radiation than balanced twisted-pair? a) 50-ohm coaxial cable b) 75-ohm coaxial cable c) 100-ohm coaxial cable d) 150-ohm coaxial cable - ANSWER-b) 75-ohm coaxial cable What is a disadvantage of 50-ohm coaxial cable? a) It is more expensive than other types of cables b) It has a high sensitivity to external EMI c) It has limited distance and configuration limitations for high bandwidth applications d) It requires building entrance overvoltage/overcurrent protection - ANSWER-a) It is more expensive than other types of cables What is a disadvantage of 75-ohm coaxial cable? a) It is more expensive than other types of cables b) It has a high sensitivity to external EMI c) It has limited distance and configuration limitations for high bandwidth applications d) It requires building entrance overvoltage/overcurrent protection - ANSWER-c) It has limited distance and configuration limitations for high bandwidth applications