I have already answered these Computer Networking questions. I just wanted to co

Question

I have already answered these Computer Networking questions. I just wanted to confirm that they are correct. Please help

19. Which of the tollawng s a phsical laer surntaed b, TI 20 A muhipleser is usod Map lww speed irpal signals to a hrigh-spood out igr h. Map high-apeed ispan sigsals to a low spoed out signel d. Convert digital signals to araleg sigaab e. None ordre dove of dhe sbove to araleg signas 21. T The building block for the Synchronous Opical Network (SONET) s a. STS1 b 51 84Mbps c, 48Kbp d 64Kaps 22. The primary difSerence betwoem an STS signal and an OC signal is: a. Ose is diptal, the other is atalog b Ose is kow spood, the other is high-speed , Ose is electrical and the other is optical d Ose is binary and the other is octal 23. The STS payload can transport a 28 DSLs c. 28 TIs e. All of the above

Explanation / Answer

19

d ethernet

20.

None of the above

21

a) STS1

22

c) one is electrical other is optical

23

b 1 DS3

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