T1 & T3

E1 & E3

ATM

SONET

OC-1, > OC-192

PPP

ISDN

SLA

CO

VC

LTE

HSPA

CDMA

TDMA

GSM

ICS

WiMAX

FCC

CSU/DSU

DS0 & DS1

SF & ESF

IPCP

LCP

PAP

CHAP

RRAS

PPP & SLIP

DSL

DSLAM

DOCSIS

HFC

TDM

CWDM

PSTN & POTS

BRI & PRI

DLCI

BECN

PDU

MPLS

VPN

DMVPN

GRE

WAN Technology

Pull out your Acronym List we will exercise it in this Chapter !