Datadog APM and Distributed Tracing Fundamentals Exam Free Dumps

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Datadog APM and Distributed Tracing Fundamentals exam is easy to take. There are 90 multiple-choice questions in real Datadog APM and Distributed Tracing Fundamentals exam. The available language is English. The exam cost is $100. Datadog APM and Distributed Tracing Fundamentals certification is valid for 3 years. We provide the latest Datadog APM and Distributed Tracing Fundamentals exam dumps, which can make sure you pass the test easily. Free Datadog APM and Distributed Tracing Fundamentals exam dumps are available below.

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1. What is the purpose of Datadog's APM and observability platform?

To detect, troubleshoot, and resolve issues faster with end-to-end distributed tracing and service-centric observability at scale.

To provide a unified query language for monitoring and observability.

To provide a centralized repository for code deployments.

To offer automatic version tagging and deployment tracking for code releases.

2. Which Anomaly Monitor algorithm is recommended when APM metrics have no repeating seasonal pattern?

Basic

Agile

Robust

None of the choices.

3. How do you configure the primary operation of a service?

In the APM Settings Page, set the primary operations manually.

In the APM Settings Page, set the second primary tag.

The primary operation of a service is defined automatically and cannot be modified.

4. What is the benefit of integrating distributed tracing with code stack trace benchmarks from profiling?

To identify the performance bottlenecks

To improve the application's performance

To eliminate the performance issues in production

To track service dependencies

5. How do you get alerted when your service has a high error rate?

Create a monitor.

Create a dashboard.

Create an SL

Use the trace explorer.

6. What's the difference between APM metric monitors and APM trace analytics monitors?

APM metric monitors work like regular metric monitors. Trace analytics monitors set up alerts based on indexed spans.

APM metric monitors set up alerts based on indexed spans. Trace analytics monitors set up alerts based on ingested spans.

APM metric monitors work on metrics from spans only. Trace analytics monitors set up alerts based on all spans.

APM metric monitors are limited to 1000 per account. Trace analytics monitors are unlimited.

7. An APM Live Search query can be used to do which of the following?

Export to monitor

Export to dashboard

Export to notebook

Generate new metric

8. Which of the following queries representa services with names starting with store-frontend?

service:store-frontend*

service:store-frontend?

service:store-frontend

service:store-frontend...

9. What's the best way to find out the reason for the 500 errors when filtering for status: error in the Live Search view?

Click on one span. Then click on the errors tab.

Click on one span. Then click on the span summary.

Left click on span to navigate to the service map.

Check the upstream and downstream services.

10. You are the owner of the Payment API service. The frontend team gave the feedback that the Payment API takes 5 seconds to reply for some of their calls.

How do you query for this on the trace explorer?

service:payment-api @duration:>=5s

service:payment-api @duration:5s

service:payment-api @duration:high

service:payment-api @duration:p95

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11. Your e-commerce website had an issue with the checkouts last week. You would like to offer a discount to the 10 users who encountered the most errors.

How do you accomplish this in Datadog APM assuming you have a custom tag for customer emails?

A On the trace explorer page, make a query scoping down to the service, checkout resource, and errors. Use the customer email for grouping. Visualize using a top list and limit the view to 10.

B. On the trace explorer page, make a query scoping down to the service, checkout resource, and customer email. Use the HTTP Status Code for grouping. Visualize using a top list and limit the view to 10.

C. On the trace explorer page, make a query scoping down to the customer email and errors. Use the service name and checkout resource name for grouping. Visualize using a top list and limit the view to 10.

12. The Apdex is set per which entity in Datadog APM?

Service

Resource

Span

Trace

13. Which service type supports configuring the Apdex?

Web

Function

Cache

Custom

14. Which permission do you need to be able to set the Apdex score?

Datadog Admin Role

Datadog Standard Role

Datadog Admin Role or Datadog Standard Role

Datadog Read Only Role

15. You own the Payments API which is a critical service. Your manager would like you to show the day-to-day count of requests to the Post Payment endpoint that are successful but responded with medium latency. Medium latency is 1 to 3 seconds, and the manager would like to compare 3 months worth of data going forward.

How can you accomplish this with Datadog APM features?

Generate metrics from spans

Leverage trace metrics

Make a saved view on trace explorer

None of the choices are correct.

16. How can you update an existing span-based metric?

Change the metric type or name.

Change the stream filter query.

Change the aggregation groups or dimensions.

Both changing the stream filter query and the aggregation groups or dimensions.

17. What are span-based metrics?

Metrics generated from 100% of ingested spans.

Metrics generated from indexed spans only.

Metrics generated from unindexed spans only.

Metrics generated from 50% of ingested spans.

18. Which widget is best for showing key metrics of an APM service in a dashboard?

Service Summary Widget

Service Map Widget

Distribution Widget

Check Status Widget

19. Which of the following trace metrics represent the count of errors for rack.request spans?

trace.rack.request.errors

trace.rack.request.hits

trace.rack.request.misses

trace.rack.request.exceptions

trace.rack.request

20. The following are benefits of using Datadog's APM and observability platform except?

Easily identify bottlenecks with full-stack distributed tracing, continuous profiling, and real user monitoring

Automatically collect, monitor, and visualize high-granularity data and custom metrics in real time

Continuously analyze and compare code performance in any environment, including production

All of the choices are correct.

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21. You've finished setting up distributed tracing using automatic instrumentation. You shared the output to your internal stakeholders and their feedback is that the time spent on each component is not granular enough. The stakeholders would like to see more detail.

What should you do?

Add a custom span for missing components.

Add more detailed attributes to existing spans.

Adjust the automatic instrumentation level to high.

None of the choices are correct.

22. How do you temporarily disable a retention filter?

In the Retention Filters tab, use the Enabled toggle.

In the Retention Filters tab, modify the filter query.

In the Retention Filters tab, delete the retention filter.

In the Retention Filters tab, move the retention filter to the bottom.

23. Where can you set the sampling rates for head-based sampling?

At the Tracing Library level

At the Agent level

Both at the Agent and Tracing Library levels

Not possible to set sampling rates for head-based sampling

24. Setting DD_TRACE_SAMPLE_RATE affects which distributed tracing functionality?

Ingestion

Retention

Indexing

Searching

25. What sampling percentage will take effect if you set DD_TRACE_SAMPLE_RATE to 0.2

20%

0.20%

26. Traces can be submitted to the Agent from other containers by using which of the following?

Docker network

Docker host IP

Both Docker network and Docker host IP

None of the choices are correct.

27. When setting up the Datadog Agent on Kubernetes via Helm chart, the Agent is already configured to receive traces by which of the following?

TCP (IP:Port)

Unix

The default configuration creates a directory on the host and mounts it within the Agent. The Agent then creates and listens on a socket file /var/run/datadog/apm.socket. See: https://docs.datadoghq.com/containers/kubernetes/apm/?tab=helm

28. What environment variable should you use if you need to send traces to a different socket, host, or port?

DD_TRACE_AGENT_URL

DD_TRACE_SOCKET_URL

DD_TRACE_HOST_URL

DD_TRACE_PORT_URL

29. Which port and protocol does the Datadog Agent use to receive APM data?

8126/tcp

8125/udp

10250/tcp

443/tcp

30. How much historical data can the seasonal algorithms of Anomaly Monitors use when calculating an APM metric’s expected

normal range of behavior?

A couple of weeks

A couple of months

A couple of years

There is no limit.

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31. What is Datadog's recommendation on enabling tracer debug mode?

Always enable debug mode in production systems

Use debug mode for debugging purposes only

Debug mode is enabled by default

Debug mode increases the number of events sent to your loggers

32. What is the default state of tracer debug mode?

Disabled

Enabled

Dependent on the language tracer

Dependent on the application version

33. What does the following code do?

tracer.configure(settings={'FILTERS':[FilterRequestsOnUrl(r'http://test.example.com')]})

Filters out all traces of incoming requests to http://test.example.com

Matches all traces from the

See: https://ddtrace.readthedocs.io/en/stable/advanced_usage.html#trace-filtering

34. How can you modify the default tracer object to use another hostname and port?

By calling the tracer object with the new hostname and port

By modifying the code of the tracer object

By using a Unix ion

You can modify the default tracer object by calling tracer.configure() with the new hostname and port. See: https://ddtrace.readthedocs.io/en/stable/advanced_usage.html#agent-configuration

35. How do you instrument Python-based serverless applications using the Datadog Lambda Extension?

Use the Datadog CLI

Use AWS SAM

Use Serverless Framework

All choices are supported.

36. What is the Datadog Lambda Extension?

A special build of the AWS Lambda

An AWS Lambda Extension that supports submitting custom metrics, traces, and logs

A tool to configure your AWS Lambda function

A repository containing release notes and scripts related to AWS Lambda

37. Which of the following terms refer to the targeted levels of service typically expressed as a percentage over a period of time?

SLI

SLO

SLA

Error Budget

38. Which of the following is the correct query if you would like to create an SLO of 99.9% of requests do not encounter an error?

(hits - errors) / hits

(hits + errors) / hits

(hits + errors) / errors

(hits - errors) / errors

39. Which language requires importing a series of pluggable packages in order to instrument libraries and frameworks?

Node.js

Python

.NET Framework

40. What is the default retention for profiles?

7 days

15 days

1 month

15 months

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41. When doing deployment comparison with Deployment Tracking, how far back can you compare two versions?

7 days

15 days

30 days

15 months

42. What is the default value of the environment variable DD_ENV when instrumenting the Java tracer?

none

unnamed-java-app

true

false

43. You would like to collect node labels so that you can set them as the second primary tags. Where should you set DD_KUBERNETES_NODE_LABELS_AS_TAGS?

On the Datadog Agent

On the target application

On the Datadog app

None of the choices are correct.

44. Which reserved tags do you use for Unified Service Tagging?

env, service, version

env, source, version

host, service, version

device, host, source

device, host, service

45. You made a trace metric query and noticed that when grouping by the version tag, there's a group showing up as N/A. Other groups show the version of your app as expected.

What could be a possible cause for this?

DD_VERSION is not set on some hosts.

DD_VERSION is not set for all instances of the app.

Tracing is turned off on the app level.

APM is turned off on the Datadog Agent.

46. How do you set Unified Service Tagging for the APM tracer when running applications in Kubernetes?

Set them as environment variables.

Set them as tracer configs.

Set them as application profiles.

None of the choices are correct.

47. What approach can you take if there's no Datadog support for your particular technology?

Use OpenTracing / OpenTelemetry

Use Community libraries

Use Datadog Tracing API

All of the choices are viable options.

48. Given the span summary, which column should you check to determine where the trace is spending the most time on?

AVG % EXEC TIME

AVG DURATION

ERROR RATE

SERVICE NAME

49. Which language does not provide automatic instrumentation?

Java

Python

PHP

C++

50. Which of the following information can be part of startup logs?

A.

A. Datadog tracer configuration

B.

B. Datadog tracer diagnostics

C.

C. Datadog configuration

D.

D. All of the above

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51. What are services in a microservice architecture?

The building blocks of an application

A particular method for a request to a service

52. What is the purpose of Resources in Datadog APM?

To group together endpoints, queries, or jobs

To track the time spent by an application processing a request

To show an aggregate view of spans for all traces

To represent a particular icular g/glossary/#resources

53. What is a span in APM?

A particular t of work in a distributed system for a given time period

A tool to troubleshoot application performance

A building block of modern microservice architectures

54. When monitoring applications in a containerized environment, where are the tracer debug logs usually located?

In the Datadog Agent container

In the application container

Both Agent and app containers.

Datadog APM and Distributed Tracing Fundamentals Exam Free Dumps

Datadog APM and Distributed Tracing Fundamentals Exam Free Dumps

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