300-910 · Question #119
Refer to the exhibit. A DevOps engineer wrote a Node.JS WebEx bot for a chatops implementation. The AppDynamics APM library is used to log transaction performance, and some slow transactions have been
The correct answer is C. Drill Down. In AppDynamics APM, the Drill Down option from a transaction snapshot provides access to the Call Graph, which shows the detailed method-level execution trace and timing for a slow transaction.
Question
Options
- AData Collectors
- BSegment List
- CDrill Down
- DSlow Calls and Errors
How the community answered
(47 responses)- A17% (8)
- B4% (2)
- C70% (33)
- D9% (4)
Why each option
In AppDynamics APM, the Drill Down option from a transaction snapshot provides access to the Call Graph, which shows the detailed method-level execution trace and timing for a slow transaction.
Data Collectors in AppDynamics are configured to capture specific business data such as method parameters or HTTP headers from transactions, not to view the Call Graph performance breakdown.
Segment List shows the individual call segments within a transaction snapshot summary, but does not provide the visual hierarchical Call Graph with timing detail needed to diagnose slow methods.
From a slow transaction snapshot in AppDynamics, selecting 'Drill Down' opens the transaction's Call Graph view, which displays the hierarchical breakdown of all method calls, their execution times, and embedded SQL queries, allowing engineers to pinpoint the exact code path responsible for the observed performance degradation.
Slow Calls and Errors is a dashboard view used to identify and list transactions exceeding defined thresholds, serving as the starting point to find slow transactions rather than the tool to view a specific transaction's Call Graph.
Concept tested: AppDynamics APM Call Graph drill-down navigation
Source: https://docs.appdynamics.com/appd/23.x/latest/en/application-monitoring/troubleshoot-application-performance/transaction-snapshots
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