Chapter 10: Introduction to Wide Area Networks
- C, D. The two authentication methods built into PPP are CHAP and PAP.
- C. If you have only one free serial interface on your router, you can use Frame Relay to connect multiple remote sites using PVCs (subinterfaces).
- A, B, C. ISDN is considered a layer 3 WAN technology and is completely outdated. Cisco considers PPP, HDLC, and Frame Relay the most common WAN technologies.
- B, C, E. Leased lines, circuit switching, and packet switching are the typical WAN connection types.
- B. You cannot use the no encapsulation command on a serial interface. To enable a certain encapsulation or to change to a different encapsulation type, use encapsulation ppp, for example.
- C, D, E. Ethernet is a LAN technology and ...
Get CCENT Cisco Certified Entry Networking Technician Study Guide: (ICND1 Exam 640-822), 2nd Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.