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Author Question: The most common layer 1 protocols are: A) SONET, DS1, DS3 B) ATM, Ethernet C) IP, Frame Relay, ... (Read 80 times)

Garrulous

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on: Jul 28, 2018
The most common layer 1 protocols are:
 
  A) SONET, DS1, DS3 B) ATM, Ethernet
  C) IP, Frame Relay, SONET D) None of the above

Question 2

The 3 most common layer 2 protocols are:
 
  A) Frame Relay, ATM, Ethernet B) IP, IPX, AppleTalk
  C) SONET, Frame Relay, ATM D) Frame Relay, ATM, Ethernet


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eliasc0401

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Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

C


Garrulous

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Reply 2 on: Jul 28, 2018
Gracias!

bbburns21

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Reply 3 on: Yesterday
Wow, this really help

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