One ISP has hundreds of routers that run IS-IS, you want to redesign the network to improve performance and convergence, which are correct ways?
(Choose two)
A. Bidirectional forwarding failure detection
B. tuning of SPF PRC and LSP…….exp backoff timers
C. IS-IS fast flooding of LSPs
D. IP Event Dampending
E. tuning of IS-IS hello parameters
