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Exam 200-301 topic 1 question 27 discussion

Actual exam question from Cisco's 200-301
Question #: 27
Topic #: 1
[All 200-301 Questions]

What are two differences between optical-fiber cabling and copper cabling? (Choose two.)

  • A. A BNC connector is used for fiber connections
  • B. The glass core component is encased in a cladding
  • C. The data can pass through the cladding
  • D. Light is transmitted through the core of the fiber
  • E. Fiber connects to physical interfaces using RJ-45 connections
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Suggested Answer: BD 🗳️
by sabaheta at Sept. 19, 2020, 9:25 p.m.

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Raymond9
Highly Voted 4 years, 8 months ago
For lazy people who hate this kind of stupid question in CCNA but has a heart of curiosity, I do some simple research for you. Please correct me if any incorrect stuffy 1.There are 3 kind of wiring mainly when we talk about networking: Fiber, Coaxial cable, twisted pair. The last 2 are Copper wiring 2. BNC Connector is for Coaxial Cable, so A is wrong 3.the structure of fiber is: Jacket encase Buffer, Buffer encase Cladding, Cladding encase core. We uses light to transmit data through the core. Therefore B and D are right, C is wrong 4. RJ45 is a connector is for twisted pair, so E is wrong
upvoted 85 times
Ali526
4 years, 7 months ago
You are right; good research.
upvoted 4 times
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XBfoundX
4 years, 7 months ago
Thanks for this responses, that's help me and yes we hate this type of questions because they are meaning less. I think you do to ;) Many thanks btw
upvoted 6 times
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NICE_ANSWERS
2 years, 2 months ago
Thank you very much Raymond.. Very helpful👌
upvoted 1 times
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xtraMiles
Most Recent 1 year ago
What are two characteristics of fiber optic cables? Answers: B & D
upvoted 2 times
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benz12
1 year, 8 months ago
Selected Answer: BD
BD is the answer
upvoted 1 times
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tigertoo
2 years, 2 months ago
the question makes no sense. They are not differences but features of Optical fibre cabling
upvoted 4 times
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Smaritz
2 years, 5 months ago
B and D. This is not a difficult question, but it is rather poorly worded.
upvoted 1 times
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BakedPotato
2 years, 5 months ago
While B is a correct statement, it is not a "difference" between copper and fiber. Someone with an elementary education wrote this question.
upvoted 2 times
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leafy
3 years, 11 months ago
I thought C because current passes through the outer conductor in a coaxial cable but I guess that doesn't count as cladding
upvoted 1 times
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ZUMY
4 years, 3 months ago
B & D are correct
upvoted 4 times
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SUKABLED
4 years, 6 months ago
i guess all OSI layeres are covered...:) Answers are correct here!
upvoted 2 times
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Futchihoore
4 years, 8 months ago
Yes it is, I had this question last time
upvoted 2 times
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C (25%)
B (20%)
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