Describe Cisco SD-WAN design considerations (control plane design, overlay design, LAN design, high availability, redundancy, scalability, security design, QoS and multicast over SD-WAN fabric)
6 practice questions under this official exam objective (300-420), each with the answer key, an option-by-option explanation and instant feedback.
Questions under this objective
6 total · page 1 of 1Inter-VN Communication in Cisco SD-WAN Architecture
Learn how route leaking enables communication between overlay Virtual Networks in Cisco SD-WAN. Discover why external fusion routers and GRE tunnels a
Why DIA at every SD-WAN site reduces cloud latency and MPLS load
This 300-420 question tests the benefits of direct Internet access (DIA) at every SD-WAN site. The correct pair is A and E: lower latency to public cl
SD-WAN TLOC Extensions for Internet Breakout
Learn how TLOC extensions enable Internet access for MPLS-only WAN Edge routers by extending TLOC advertisements to adjacent Internet-connected peers
Which AES Mode for Cisco SD-WAN Multicast Traffic?
Cisco SD-WAN vEdge routers encrypt data-plane traffic with AES-256, and this page establishes that AES-256-GCM is the preferred mode while AES-256-CBC
AES-CBC for Multicast in Cisco SD-WAN (GCM for Unicast)
Cisco SD-WAN prefers AES-256-GCM for unicast encryption, but for multicast applications it uses AES-CBC with an HMAC because GCM's counter/nonce handl
IP-VPN to SD-WAN Migration: More Security and Centralized Policies
Moving from a traditional IP-VPN (MPLS L3 VPN) to Cisco SD-WAN brings increased security through built-in end-to-end encryption and centralized, appli