5V0-43.21 · Question #14
Which two events trigger a significant log? (Choose two.)
The correct answer is C. Connection was prematurely closed by the client D. Request response time was greater than the configured threshold. Significant logs are generated when something unexpected or performance-impacting occurs during an active connection - not for routine HTTP behaviors or policy decisions. C is correct because a premature client connection close is an abnormal mid-session event. The server was…
Question
Which two events trigger a significant log? (Choose two.)
Options
- AClient received a 301 - Moved Permanently response
- BClient request came from a U.S. embargoed country
- CConnection was prematurely closed by the client
- DRequest response time was greater than the configured threshold
- EClient request was made to a Virtual Service that is down
How the community answered
(26 responses)- A4% (1)
- B8% (2)
- C69% (18)
- E19% (5)
Explanation
Significant logs are generated when something unexpected or performance-impacting occurs during an active connection - not for routine HTTP behaviors or policy decisions.
C is correct because a premature client connection close is an abnormal mid-session event. The server was actively processing a request when the client unexpectedly dropped it, which warrants a significant log to flag potential client issues, network problems, or application errors.
D is correct because exceeding a configured response-time threshold is explicitly a performance warning that administrators have pre-defined as significant. It directly signals that SLA or latency expectations are being violated.
A is wrong because a 301 redirect is a standard, expected HTTP response - it is normal behavior, not an error or anomaly worth significant logging.
B is wrong because geo-based access control (embargoed countries) generates a security or policy log, not a significant performance or connection log.
E is wrong because requests to a down Virtual Service typically generate availability or error-state logs tied to the service's health monitoring, not a significant log triggered by the individual request event itself.
Memory tip: Think "significant = something went wrong during the transaction itself." A dropped connection (C) and a slow response (D) both happen while serving the request - that's your trigger. Redirects are planned, geo-blocks are policy, and service-down states are infrastructure health events.
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