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dd fundamentals > Datadog Fundamentals > Flashcards

Datadog Fundamentals Flashcards

1
Q

Port for most Agent Data (metric, APM, live processes)

A

443 tcp

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2
Q

Outbound port for NTP

A

123 udp

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3
Q

Port for log collection over TCP

A

10516

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4
Q

Port for the go_expvar server

A

5000/tcp

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5
Q

Port the IPC API listens to

A

5001 tcp

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6
Q

Port for the Agent browser GUI

A

5002 tcp

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7
Q

Port for the APM go_expvar server

A

5012 tcp

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8
Q

Port for DogStatsD unless dogstatsd_non_local_traffic is set to true. This port is available on localhost: 127.0.0.1

A

8125 udp

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9
Q

Port for the APM receiver

A

8126 tcp

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10
Q

Location of Agent main configuration file (linux)

A

/etc/datadog-agent/datadog.yaml

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11
Q

Agent configuration directory (linux)

A

/etc/datadog-agent/conf.d/

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12
Q

Agent configuration directory (Windows)

A

%ProgramData%\Datadog\conf.d

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13
Q

How to find the hostname used by the agent? (linux)

A

sudo datadog-agent hostname

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14
Q

Datadog APM employs ___ to optimize monitoring application performance

A

Distributed Tracing

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15
Q

Reserved Tag Keys are _____

A

host, device, source, service, env, version

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16
Q

How to enable live process monitoring in Windows

A

In Datadog.yaml set process_config: enabled: “true”

17
Q

What needs to set to turn on debug in APM?

A

DD_TRACE_DEBUG environment variable

18
Q

How to enable USM

A

DD_SYSTEM_PROBE_SERVICE_MONITORING_ENABLED=’true’

19
Q

Signifies a Root user in Linux command prompt

A

#

20
Q

Start Agent as a service (linux)

A

sudo systemctl start datadog-agent

21
Q

Basic syntax to run agent in Windows

A

C:\Program Files\Datadog\Datadog Agent\bin\agent.exe <command></command>

22
Q

How to list IP Ranges

A

GET https://ip-ranges.datadoghq.com/

23
Q

What is dogstatsd?

A

a metrics aggregation service bundled with the Datadog Agent

24
Q

Types of Endpoints for the API

A

Metrics, Events, and Synthetic Monitoring. The tracing agent API is used to send traces to the Datadog agent

25
Q

Benefits of tagging

A

Identify issues faster, locate related events, filter more accurately

26
Q

4 ways to assign tags

A

Config file, UI, API, DogstatsD

27
Q

Agent log files location

A

linux - /var/log/datadog windows - C:\ProgramData\Datadog\logs

28
Q

default tracer port

A

8126

29
Q

Datadog offers 4 space aggregators

A

max, min, avg, sum

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