300-420 — Most Debated Topics

Community-voted ranking of 19 topics, sorted by disagreement level. Higher dispute = more test-takers disagree on the answer.

#1
POV Report Builds the Customer Platform During Discovery
A-Grade Dispute: 50% 3 comments
#2
IP-VPN to SD-WAN Migration: More Security and Centralized Policies
A-Grade Dispute: 50% 3 comments
#3
AES-CBC for Multicast in Cisco SD-WAN (GCM for Unicast)
A-Grade Dispute: 50% 3 comments
#4
Mark Multimedia Conferencing with DSCP AF4 (Avoid WRED)
A-Grade Dispute: 50% 3 comments
#5
Single-Homed Full Mesh Gives HA Without Extra WAN Links
A-Grade Dispute: 44% 4 comments
#6
Advertising a Default Route from Core to Aggregation to Hide Instability
S-Grade Dispute: 37% 5 comments
#7
Shape Outbound and Police Inbound to Protect a 10 Mbps Link
S-Grade Dispute: 25% 5 comments
#8
SE Discovery Activities: Gather Current State and Map Innovation to Needs
A-Grade Dispute: 25% 4 comments
#9
Configure Explicit Trust at the DiffServ Trust Boundary (F and G)
A-Grade Dispute: 25% 3 comments
#10
WoL Across VLANs: Directed Broadcast and WoL-Server Helpers
A-Grade Dispute: 25% 3 comments
#11
DNA Assurance Differentiators: Time Travel, Guided Remediation, Hybrid Analytics
A-Grade Dispute: 20% 3 comments
#12
Dynamic NAT-PT Connects the IPv6 Island to IPv4 Services
A-Grade Dispute: 14% 3 comments
#13
SD-Access and ACI Fabric Similarities: VNIDs, Group Policy, and SGTs
A-Grade Dispute: 0% 3 comments
#14
DNA Center Assurance Proactive Insights Pinpoints Serious Issues
A-Grade Dispute: 0% 3 comments
#15
MSDP Connects PIM-SM Domains to Deliver VoD Across ASes
A-Grade Dispute: 0% 3 comments
#16
SD-Access Border Node Encapsulates/De-encapsulates VXLAN
A-Grade Dispute: 0% 5 comments
#17
Dedicated Control-Plane Nodes for Frequent Endpoint Roaming
A-Grade Dispute: 0% 3 comments
#18
Sizing the IPv4 Plan: /23 Server Room, No Overlap
A-Grade Dispute: 0% 4 comments
#19
Full Mesh WAN: Informed Decisions and Always-On Backup Paths
A-Grade Dispute: 0% 3 comments

Ready to practice?

Access 150 300-420 questions with instant feedback and detailed explanations.

View 300-420 Practice Questions →

← Back to 300-420 ENSLD Cisco Enterprise Networks Design Study Guide