Certification795 problems· 7 reviewed

CCNP Enterprise

795 incident response problems that help with CCNP Enterprise prep.

All problems (795)

NETWORK-1480A BGP session remains up and telemetry still hides a route leakRoute leak indicators are missed because telemetry is grouped at the peer-group level instead of per neighbor.NetworkIntermediate10 minPro NETWORK-1494A BGP session stays established and one prefix set disappearsA prefix set vanishes only after traffic moves to the standby multivendor edge pair.NetworkIntermediate10 minPro NETWORK-1504A BGP session stays established and one prefix set disappearsA prefix set vanishes only after traffic moves to the standby multivendor edge.NetworkIntermediate10 minPro NETWORK-1514A BGP session stays up and one prefix set disappearsA prefix set vanishes only after traffic moves to the standby multivendor edge.NetworkIntermediate10 minPro NETWORK-1524A BGP session stays up and one prefix set disappearsA prefix set vanishes only after traffic moves to the standby multivendor edge.NetworkIntermediate10 minPro NETWORK-1461A chained proxy protocol setup logs the wrong client IPGeo ACLs and audit logs break after a second proxy tier is inserted in front of the app.NetworkIntermediate10 minPro NETWORK-1512A Cloudflare Tunnel stays healthy and WebSockets still failOnly one routed hostname behind Cloudflare Tunnel breaks WebSockets after rewrite rules were added.NetworkIntermediate10 minPro NETWORK-1522A Cloudflare Tunnel stays healthy and WebSockets still failOnly one routed hostname behind Cloudflare Tunnel breaks WebSockets after rewrites were added.NetworkIntermediate10 minPro NETWORK-1492A Cloudflare Tunnel stays up and WebSocket requests still failWebSocket apps fail only on one routed hostname behind Cloudflare Tunnel after origin rewrite rules were added.NetworkIntermediate10 minPro NETWORK-1502A Cloudflare Tunnel stays up and WebSockets still failOnly one hostname behind Cloudflare Tunnel breaks WebSockets after path rewrites were added.NetworkIntermediate10 minPro NETWORK-1457A DHCP relay path works on one leaf and fails on anotherClients on one leaf never get expected leases after relay metadata was standardized across the fabric.NetworkIntermediate10 minPro NETWORK-1489A DHCP relay sends Option 82 correctly and one scope still misassignsClients in one closet keep receiving the wrong scope after an access switch replacement.NetworkIntermediate10 minPro NETWORK-1388A hardware load balancer health check passes and real traffic failsA hardware load balancer health check passes and real traffic fails focuses on runtime-configuration and asks the reader to isolate the key signal in NGINX. A green health check can be meaningless if it asks a simpler protocol question th...NetworkIntermediate10 minPro NETWORK-1408A health check passes through the edge and user POST requests failAn application passes synthetic monitoring and only real form submissions start failing after a WAF rule update.NetworkIntermediate10 minPro NETWORK-1418A health monitor reaches the app and real POSTs are droppedA health monitor reaches the app and real POSTs are dropped focuses on edge-routing and asks the reader to isolate the key signal in palo-alto. Probe bypasses can hide WAF body-inspection rules that only real client payloads trigger.NetworkIntermediate10 minPro NETWORK-1398A load balancer monitor says healthy and clients fail POST requestsA load balancer monitor says healthy and clients fail POST requests focuses on reverse-proxy-security and asks the reader to isolate the key signal in NGINX. Health checks often overestimate availability when they bypass the security or...NetworkIntermediate10 minPro NETWORK-1471A proxy chain preserves client IP for HTTP and breaks gRPC audit trailsClient IP auditing works for REST traffic and fails only for gRPC after a proxy refactor.NetworkIntermediate10 minPro NETWORK-1487A split-horizon DNS design is correct and one branch still resolves the public addressOnly one branch office keeps resolving the public endpoint after an internal split-horizon migration.NetworkIntermediate10 minPro NETWORK-1428A WAF health monitor passes and real uploads failA WAF health monitor passes and real uploads fail focuses on edge-routing and asks the reader to isolate the key signal in palo-alto. Probe bypasses can hide WAF body-inspection rules that only real uploads trigger.NetworkIntermediate10 minPro NETWORK-1438A WAF health monitor stays green and real uploads failA WAF health monitor stays green and real uploads fail focuses on edge-routing and asks the reader to isolate the key signal in palo-alto. Probe bypasses can hide WAF body-inspection rules that only production upload paths ever t...NetworkIntermediate10 minPro