Monitor and Troubleshoot an Azure Cosmos DB Solution DP-420 Practice Questions (Page 1)

Questions 1–5

1. 1application · medium

   A media streaming company uses Azure Cosmos DB for NoSQL. The operations team wants to analyze the distribution of HTTP status codes returned by the database over the past week to identify any patterns of errors. They have not yet enabled any diagnostic settings. What should you do first?

   • AQuery the Azure Monitor metrics for TotalRequests and filter by status code.
   • BCreate an alert rule on the TotalRequests metric to capture status codes.
   • CEnable diagnostic settings for the Cosmos DB account to send DataPlaneRequests logs to a Log Analytics workspace.
   • DEnable the Azure Activity Log for the Cosmos DB account.
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2. 2application · medium

   A developer is troubleshooting a Cosmos DB operation that returns HTTP 408. The operation is a point read that sometimes fails. What is the most likely cause and the appropriate first step?

   • AThe partition key is invalid; change the partition key
   • BThe request timed out; the client should retry with exponential backoff
   • CThe client is using an outdated SDK; upgrade the SDK
   • DThe request was throttled; increase throughput
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4. 3foundation · easy

   You want to monitor how close an Azure Cosmos DB container is to its provisioned throughput limit. Which Azure Monitor metric should you use?

   • ATotal Requests
   • BNormalized RU Consumption
   • CServer-side Latency
   • DData Size
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5. 4expert · hard

   A defense contractor uses Azure Cosmos DB for NoSQL to store sensitive project data. The security team needs to detect any unauthorized access attempts and be alerted immediately. They also need to maintain a detailed audit trail for compliance. They have enabled diagnostic settings to send DataPlaneRequests logs to a Log Analytics workspace. What should they do?

   • AEnable the Azure Activity Log for the Cosmos DB account.
   • BCreate an alert on the Normalized RU Consumption metric to detect unusual activity.
   • CCreate a log alert rule that queries for 401 status codes and triggers an action group.
   • DCreate a metric alert on the TotalRequests metric with a filter for 401 status codes.
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6. 5application · medium

   A social media company uses Azure Cosmos DB for NoSQL to store user posts. The container uses a partition key of /userId. The operations team notices that the Normalized RU Consumption metric is high for a few partitions but low for others. They suspect that some users are much more active than others. What should they do to confirm this?

   • AIncrease the provisioned throughput on the container.
   • BQuery the DataPlaneRequests logs to count requests per partition key value.
   • CReview the ReplicationLatency metric.
   • DEnable the Azure Monitor autoscale feature.
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