December 2023
Beginner to intermediate
1074 pages
32h 18m
English
Content preview from CCNP and CCIE Collaboration Core CLCOR 350-801 Official Cert Guide, 2nd Edition
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Appendix B
Memory Tables
Chapter 2
Table 2-2 Speed of Sound Through Four Common Mediums
Medium |
Speed (Meters per Second) |
Speed (Feet per Second) |
Speed Factor |
|---|---|---|---|
|
344 |
1130 |
|
|
1480 |
4854 |
|
|
3400 |
11,152 |
|
|
6600 |
22,305 |
|
Table 2-3 Audio Codecs Commonly Used by Cisco
Codec and Bit Rate (Kbps) |
Codec Sample Size (Bytes) |
Codec Sample Interval (ms) |
Mean Opinion Score (MOS) |
Voice Payload Size (Bytes) |
Bandwidth MP or FRF.12 (Kbps) |
Bandwidth Ethernet (Kbps) |
|---|---|---|---|---|---|---|
G.711 (64 Kbps) |
80 |
10 |
4.1 |
160 |
|
|
G.729 (8 Kbps) |
10 |
10 |
3.92 |
20 |
|
|
G.723.1 (6.3 Kbps) |
24 |
30 |
3.9 |
24 |
|
|
G.723.1 (5.3 Kbps) |
20 |
30 |
3.8 |
20 |
|
|
G.726 (32 Kbps) |
20 |
5 |
3.85 |
80 |
|
|
G.726 (24 Kbps) |
15 |
5 |
|
60 |
|
|
G.728 (16 Kbps) |
10 |
5 |
3.61 |
60 |
|
|
G.722_64k (64 Kbps) |
80 ... |
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