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26 Sep 2021, 19:01
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
35%
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Question Stats:
100% (01:22) correct
0%
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wrong
based on 10
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Although fiber-optic telephone cable is more expensive to manufacture than copper telephone cable, a telephone network using fiber-optic cable is less expensive overall than a telephone network using copper cable. This is because copper cable requires frequent amplification of complex electrical signals to carry them for long distances, whereas the pulses of light that are transmitted along fiber-optic cable can travel much farther before amplification is needed.
The above statements, if true, most strongly support which one of the following?
(A) The material from which fiber-optic cable is manufactured is more expensive than the copper from which copper cable is made.
(B) The increase in the number of transmissions of complex signals through telephone cables is straining those telephone networks that still use copper cable.
(C) Fiber-optic cable can carry many more signals simultaneously than copper cable can.
(D) Signals transmitted through fiber-optic cable travel at the same speed as signals transmitted through copper cable.
(E) The cost associated with frequent amplification of signals traveling through copper cable exceeds the extra manufacturing cost of fiber-optic cable.
The above statements, if true, most strongly support which one of the following?
(A) The material from which fiber-optic cable is manufactured is more expensive than the copper from which copper cable is made.
(B) The increase in the number of transmissions of complex signals through telephone cables is straining those telephone networks that still use copper cable.
(C) Fiber-optic cable can carry many more signals simultaneously than copper cable can.
(D) Signals transmitted through fiber-optic cable travel at the same speed as signals transmitted through copper cable.
(E) The cost associated with frequent amplification of signals traveling through copper cable exceeds the extra manufacturing cost of fiber-optic cable.
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26 Sep 2021, 20:10
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Correct Answer E
1. Fiber-optic cable is more expensive to manufacture than copper telephone cable
2. a telephone network using fiber-optic cable is less expensive overall than a telephone network using copper cable.
3. This is because copper cable requires frequent amplification of complex electrical signals to carry them for long distances,
4. whereas the pulses of light that are transmitted along fiber-optic cable can travel much farther before amplification is needed.
The above statements, if true, most strongly support which one of the following?
(A) The material from which fiber-optic cable is manufactured is more expensive than the copper from which copper cable is made.
Flaw: Option gives details about manufacturing material cost, as inferred in passage, overall cost is low due to less investment is required for amplification for fiber - optic cable.
This option weaken the statement.
(B) The increase in the number of transmissions of complex signals through telephone cables is straining those telephone networks that still use copper cable.
Flaw : this option gives details about, what makes copper cable useful and strengthen the copper benefit statement, which is opposite to intended meaning of the passage
(C) Fiber-optic cable can carry many more signals simultaneously than copper cable can.
Flaw : very close and one can be selecte this as one of the answer, but this is about application, it doesn't give details about the overall profit, how it is occured or what makes the fiber optic cables less expensive
(D) Signals transmitted through fiber-optic cable travel at the same speed as signals transmitted through copper cable.
Flaw : this option says both are equal in Operation, and demean the entire conclusion and argument
(E) The cost associated with frequent amplification of signals traveling through copper cable exceeds the extra manufacturing cost of fiber-optic cable.
Correct:
This gives details about function with copper cable is expensive, which makes overall cost of copper cable high than fiber optic usage.
Posted from my mobile device
1. Fiber-optic cable is more expensive to manufacture than copper telephone cable
2. a telephone network using fiber-optic cable is less expensive overall than a telephone network using copper cable.
3. This is because copper cable requires frequent amplification of complex electrical signals to carry them for long distances,
4. whereas the pulses of light that are transmitted along fiber-optic cable can travel much farther before amplification is needed.
The above statements, if true, most strongly support which one of the following?
(A) The material from which fiber-optic cable is manufactured is more expensive than the copper from which copper cable is made.
Flaw: Option gives details about manufacturing material cost, as inferred in passage, overall cost is low due to less investment is required for amplification for fiber - optic cable.
This option weaken the statement.
(B) The increase in the number of transmissions of complex signals through telephone cables is straining those telephone networks that still use copper cable.
Flaw : this option gives details about, what makes copper cable useful and strengthen the copper benefit statement, which is opposite to intended meaning of the passage
(C) Fiber-optic cable can carry many more signals simultaneously than copper cable can.
Flaw : very close and one can be selecte this as one of the answer, but this is about application, it doesn't give details about the overall profit, how it is occured or what makes the fiber optic cables less expensive
(D) Signals transmitted through fiber-optic cable travel at the same speed as signals transmitted through copper cable.
Flaw : this option says both are equal in Operation, and demean the entire conclusion and argument
(E) The cost associated with frequent amplification of signals traveling through copper cable exceeds the extra manufacturing cost of fiber-optic cable.
Correct:
This gives details about function with copper cable is expensive, which makes overall cost of copper cable high than fiber optic usage.
Posted from my mobile device
28 Jan 2023, 00:03
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Hello from the GMAT Club VerbalBot!
Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).
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Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).
Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Critical Reasoning (CR) Forum
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
