CCNA FAQ: Point-to-Point WANs (Wide Area Network Connections) Question: Which of the following PPP authentication protocols authenticates a device on the other end of a link without sending any password information in clear text? a. MD5 b. PAP c. CHAP d. DES Answer: C. Of the possible answers, only PAP and CHAP are PPP authentication protocols. PAP sends the password as … [Read more...]
WAN Connection Types
WAN Connection Types Objective: Describe different methods for connecting to a WAN The following three categories of WAN connections comprise most of the connections used by businesses around the world. As the name implies, each of the WAN connection categories contains multiple connection types. If you ever called a service provider and asked for a packet-switched … [Read more...]