CCENT Exam Cram (Exam 640-822)

Chapter 7. Introduction to Wide-Area Networks

Terms You’ll Need to Understand

• Challenge Handshake Authentication Protocol (CHAP)
• Password Authentication Protocol (PAP)
• Permanent Virtual Circuit (PVC)
• Committed Information Rate (CIR)
• Local Management Interface (LMI)
• Backward Explicit Congestion Notification (BECN)
• Forward Explicit Congestion Notification (FECN)
• High-Level Data Link Control (HDLC)
• Point-to-Point Protocol (PPP)
• Network Address Translation (NAT)

Concepts and Techniques You’ll Need to Master

• Configuring PPP (point-to-point)
• Configuring Frame Relay
• Configuring NAT

Introduction

There are two major types of networking: local area network (LAN) and wide-area network (WAN). This chapter discusses WANs.

A WAN is a network that spans a broad ...