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Consider the following statements :

A. High speed Ethernet works on optic fiber.

B. A point to point protocol over Ethernet is a network protocol for encapsulating $PPP$ frames inside Ethernet frames.

C. High speed Ethernet does not work on optic fiber.

D. A point to point protocol over Ethernet is a network protocol for encapsulating Ethernet frames inside $PPP$ frames.

Which of the following is correct ?

  1. $A$ and $B$ are true; $C$ and $D$ are false.
  2. $A$ and $B$ are false; $C$ and $D$ are true.
  3. $A, B, C$ and $D$ are true.
  4. $A, B, C$ and $D$ are false.
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2 Answers

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The cable types used for various Ethernet types are:

  • Ethernet (10 Mbps) : Coaxial, twisted pair, optical fiber
  • Fast Ethernet (100 Mbps):twisted pair, optical fiber
  • Gigabit Ethernet (1000 Mbps) : twisted pair, optical fiber
  • 10 gigabit Ethernet (10000 Mbps) : twisted pair, optical fiber

Thus A is true C is False.

The Point-to-Point Protocol over Ethernet   ( PPPoE ) is used to encapsulate PPP frames inside Ethernet frames

Thus B is true D is false

Answer is (A)

1 votes
1 votes

Answer: A

EXPLANATION:

A is true

 B is true 

C is false.

D is false

High speed ethernet works on OFC

It is a point to point protocol over Ethernet is a network protocol for encapsulating PPP frames   inside Ethernet frames.

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