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Cisco Networking Academy Connecting Networks Companion Guide: Connecting to the WAN

Sample Chapter is provided courtesy of Cisco Press.
Date: May 7, 2014.

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Chapter Information

Chapter Description

Different technologies are used for WANs than for LANs. This chapter introduces WAN standards, technologies, and purposes. It covers selecting the appropriate WAN technologies, services, and devices to meet the changing business requirements of an evolving enterprise.

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Connecting Networks Companion Guide

$66.67

Key Terms

This chapter uses the following key terms. You can find the definitions in the glossary.

service provider page 38
digital subscriber line (DSL) page 40
Point-to-Point Protocol (PPP) page 45
Frame Relay page 45
Asynchronous Transfer Mode (ATM) page 45
High-Level Data Link Control (HDLC) page 45
customer premises equipment (CPE) page 46
data communications equipment (DCE) page 46
data terminal equipment (DTE) page 46
demarcation point page 46
local loop page 47
central office (CO) page 47
toll network page 47
dialup modem page 47
access server page 48
broadband modem page 48
channel service unit / data service unit (CSU/DSU) page 48
circuit-switched network page 48
Integrated Services Digital Network (ISDN) page 49
packet-switched network (PSN) page 50
virtual circuit (VC) page 50
private WAN infrastructure page 51
public WAN infrastructure page 51
Synchronous Optical Networking (SONET) page 52
Synchronous Digital Hierarchy (SDH) page 52
light-emitting diodes (LEDs) page 52
dense wavelength-division multiplexing (DWDM) page 53
leased lines page 54
Basic Rate Interface (BRI) page 57
Primary Rate Interface (PRI) page 57
Metropolitan Ethernet (MetroE) page 60
Ethernet over MPLS (EoMPLS) page 60
Virtual Private LAN Service (VPLS) page 60
Multiprotocol Label Switching (MPLS) page 62
very small aperture terminal (VSAT) page 63
DSL modem page 64
DSL access multiplexer (DSLAM) page 64
cable modem page 65
headend page 65
cable modem termination system (CMTS) page 65
municipal Wi-Fi page 66
WiMAX page 66
satellite Internet page 66
3G/4G Wireless page 68
Long Term Evolution (LTE) page 68
site-to-site VPNs page 68
remote-access VPNs page 69

3. Introduction (2.0.1.1) | Next Section Previous Section

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