Certification793 problems· 22 reviewed

CCNA

793 incident response problems that help with CCNA prep.

All problems (793)

NETWORK-1804A static route is updated and traffic still missesTraffic still misses after the static route update.NetworkBeginner7 minFree NETWORK-1824A static route is updated and traffic still missesTraffic still misses after the static route update.NetworkBeginner7 minFree NETWORK-1834A static route is updated and traffic still missesTraffic still misses after the static route update.NetworkBeginner7 minFree NETWORK-1844A static route is updated and traffic still missesTraffic still misses after the static route update.NetworkBeginner7 minFree NETWORK-1854A static route is updated and traffic still missesTraffic still misses after the static route update.NetworkBeginner7 minFree NETWORK-1864A static route is updated and traffic still missesTraffic still misses after the static route update.NetworkBeginner7 minFree NETWORK-1894A static route is updated and traffic still missesTraffic still misses after the static route update.NetworkBeginner7 minFree NETWORK-1637A VLAN trunk is correct and one access floor still failsOne floor still fails after a VLAN renumbering.NetworkBeginner7 minFree NETWORK-1647A VLAN trunk is correct and one floor still failsOne floor still fails after a VLAN renumbering.NetworkBeginner7 minFree NETWORK-1657A VLAN trunk is correct and one floor still failsOne floor still fails after a VLAN renumbering.NetworkBeginner7 minFree NETWORK-1667A VLAN trunk is correct and one floor still failsOne floor still fails after a VLAN renumbering.NetworkBeginner7 minFree NETWORK-1638A VRF route exists and one test still failsOne VRF test still fails after an SVI rename.NetworkBeginner7 minFree NETWORK-1658A VRF route exists and one test still failsOne VRF test still fails after an SVI rename.NetworkBeginner7 minFree NETWORK-1668A VRF route exists and one test still failsOne VRF test still fails after an SVI rename.NetworkBeginner7 minFree NETWORK-1614An OSPF adjacency stays downOne adjacency stays down after an OSPF area cleanup.NetworkBeginner7 minFree NETWORK-009An SNI routing problem where the TLS handshake fails only on certain domainsA situation where the certificate is valid but SNI routing is wrong, so only some domains fail.ReviewedNetworkAdvanced24 minPro NETWORK-002Port exhaustion in a high-request segment and kernel tuningCovers how ephemeral ports, TIME_WAIT, and sysctl parameters connect to a service failure.ReviewedNetworkAdvanced30 minPro NETWORK-020The CDN cache is fine, but a TLS version difference with the origin fails only miss requestsA situation where most requests are cache hits and look fine, but origin communication breaks only in the cache-miss segment.ReviewedNetworkIntermediate24 minPro NETWORK-019After a BGP route change, only certain ASNs take a detour pathA network operations problem where the global route is alive but only certain carrier networks get an inefficient detour.NetworkAdvanced30 minPro NETWORK-1205Proxy health page is green but user traffic still failsA proxy health endpoint looks fine, but actual user traffic still fails because the TLS hostname path chooses a different upstream certificate or route than the simple health check.NetworkIntermediate19 minPro