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