... CCNP Remote Access Study Guide Copyright ©2000 SYBEX , Inc., Alameda, CAwww.sybex.com xxiv Introduction ... as ISDN, PPP, and Frame Relay networks. Sybex’s CCNP: Switching Study Guide covers all the exam objectives. Exam 640-505: Remote Access This exam tests your knowledge of installing, ... structure, which allows the modem to be customized for use in a remote access solution. In addition, as presented in the Remote Access with Modems” sidebar, this chapter showed readers how to...