Which statement correctly distinguishes Azure Monitor metrics from logs?
A.Metrics = structured event records; logs = numeric time series
Reversed — metrics are numeric; logs are event records.
B.Metrics = lightweight numeric time series for near-real-time alerting; logs = rich event data queried with KQL in Log Analytics
Correct — that's the canonical distinction.
C.Metrics require an agent; logs are always platform-collected
Platform metrics need no agent; guest/OS-level data does.
D.Logs are stored for 93 days by default; metrics are permanent
Retention is reversed — metrics default to 93 days.
Why this answer
Metrics are pre-aggregated numeric time series — cheap, fast, ideal for dashboards and near-real-time alerts (93-day default retention). Logs are detailed events/traces stored in Log Analytics workspaces and queried with KQL — deeper analysis, higher cost.
Correct answer: B · Last reviewed 2026-02-14
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