digna summers
@clnacxief active 11 years, 9 months ago
ISDN is just a large subject on both your Cisco CCNA and BCRAN CCNP tests. While several ISDN topics seem simple, its the details that make the difference in the exam room and working together with ISDN in production networks. Configuring and troubleshooting multilink PPP is just one of the skills youll have to pass both of these demanding […] View