Monitor and Troubleshoot an Azure Cosmos DB Solution DP-420 Practice Questions (Page 6)

Questions 26–30

1. 26expert · medium

   A company is experiencing high latency on point reads in Cosmos DB. The Server Side Latency metric shows high values, but the client-side latency is even higher. They want to determine whether the additional latency is due to network issues or client-side processing. Which diagnostic log should they analyze?

   • APartitionKeyStatistics logs to check partition distribution
   • BQueryRuntimeStatistics logs to see query execution details
   • CDataPlaneRequests logs to compare the request duration with the server-side latency
   • DMongoRequests logs to see MongoDB-specific metrics
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2. 27foundation · easy

   You are monitoring an Azure Cosmos DB container and observe that the Normalized RU Consumption metric consistently shows 100%. What is the most likely consequence?

   • ARequests will be throttled with HTTP 429 responses.
   • BThe container will automatically scale to a higher throughput tier.
   • CThe data will be replicated to a different region.
   • DThe container will be temporarily unavailable to clients.
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4. 28foundation · easy

   You are monitoring a multi-region Azure Cosmos DB account and notice that the Replication Latency metric is increasing. What is the most likely impact on the application?

   • AThe secondary region will become unavailable.
   • BWrites to the primary region will be throttled.
   • CThe account will automatically switch to a single-region configuration.
   • DReads from the secondary region may return stale data.
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5. 29application · medium

   A healthcare company uses Azure Cosmos DB for NoSQL to store patient records. The compliance team requires that any unauthorized access attempts be detected and investigated. You need to ensure that the security team is notified when authentication failures occur. What should you do?

   • AUse the Azure Activity Log to monitor for authentication failures.
   • BConfigure an alert on the Normalized RU Consumption metric to detect unusual activity.
   • CCreate an Azure Monitor alert on the TotalRequests metric with a filter for status code 401.
   • DEnable diagnostic settings to send DataPlaneRequests logs to a Log Analytics workspace, then create an alert rule that queries for status code 401.
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6. 30expert · medium

   A company has a multi-region Cosmos DB account with a single write region. They are experiencing increased replication lag during peak hours. They want to determine whether the lag is due to network bandwidth or write volume. Which metric should they analyze?

   • AMax Replication Lag Across All Regions
   • BTotal Request Units consumed in the write region
   • CDataPlaneRequests logs to see the size of write operations
   • DCompare the replication lag trend with the write request rate and the network metrics from the Azure portal
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