Network+ basics4 Flashcards
ATM
Common protocol transported over SONET
53-byte cells spaced evenly apart
High throughput
Max speeds of OC-192
Frame relay
LAN traffic is encapsulated into frame relay frames
Frames are passed inmto the cloud
usually 64 kbits/s through DS3 speeds
replaced by MPLS
MPLS
Packets through the WAN have a label
Any transport medium, any protocol inside.
Common Wan technology
Satellite
15 Mbit down, 2Mbit up
High Latency 250 ms up, 250 ms down
2GHz frequencies
ISDN
DSL - ADSL
10,000 foot limitation from central office
24 mbit down, 3.3 mbit up
VDSL
3mbit through 100mbit
Cable
4mbit through 250bmit
Data,Voice
Multilink PPP
Aggregate traffic across multiple point to point links
Adds numbers to the dada fragments
LTE
300mbit down, 75mbit up
HSPA+
84mbit down, 22mbit up
Wimax
30 mile radius
37mbit down, 17mbit up