2.5 Flashcards
1
Q
T1 - T-Carrier Level 1
A
24 channels + 64 Kb/s per channel = 1.544 Mb/s
2
Q
E1 - E-Carrier Level 1
A
32 channels + 64 Kb/s per channel = 2.048 Mb/s
3
Q
T3
A
28 T1 circuits = 44.736 Mb/s
4
Q
E3
A
16 E1 circuits = 34.368 Mb/s
5
Q
SONET
A
Synchronous Optical Networking
6
Q
OC-3
A
155.52 Mb/s
7
Q
OC-12
A
622.08 Mb/s
8
Q
OC-48
A
2.49 Gb/s
9
Q
OC-192
A
9.95 Gb/s
10
Q
ADSL
A
52 Mb/s down - 16 Mb/s up
11
Q
DOCSIS - Data Over Cable Service Interface Specification
A
Used with cable broadband
12
Q
What speeds are common with DOCSIS?
A
4 Mb/s through 250 Mb/s
13
Q
Satellite
A
50 Mb/s down - 3 Mb/s up
14
Q
What is the downside of using satellite?
A
Very high latency, normally 250ms or more
15
Q
ATM
A
Asynchronous Transfer Mode