Cloudwatch Flashcards

(16 cards)

1
Q

Front

A

Back

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2
Q

What is AWS CloudWatch?

A

A monitoring and observability service that collects operational data in the form of logs, metrics, and events.

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3
Q

What are the three main components of CloudWatch?

A

CloudWatch metrics, CloudWatch logs, and CloudWatch events.

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4
Q

What are metrics in CloudWatch?

A

Time-ordered data points related to the performance of AWS services, apps, or systems.

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5
Q

How can metrics be collected in CloudWatch?

A

Natively by AWS or via the CloudWatch agent for more detailed/custom metrics.

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6
Q

What is the CloudWatch agent used for?

A

Collecting metrics/logs from on-premises environments or additional EC2 instance details.

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7
Q

What are namespaces in CloudWatch?

A

Containers used to group and isolate metrics (e.g., AWS/EC2).

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8
Q

What is a metric in CloudWatch?

A

A collection of related time-series data points like CPUUtilization.

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9
Q

What are data points in CloudWatch?

A

Individual measurements with a timestamp and a value.

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10
Q

What are dimensions in CloudWatch?

A

Name-value pairs used to filter and organize metric data (e.g., InstanceId, InstanceType).

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11
Q

What are CloudWatch logs?

A

A component that collects and monitors log data from various sources.

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12
Q

What are CloudWatch events?

A

They respond to changes in AWS resources or operate on a schedule.

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13
Q

What is an alarm in CloudWatch?

A

A monitoring construct that watches a metric and triggers actions based on thresholds.

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14
Q

What are the states of a CloudWatch alarm?

A

OK, ALARM, and INSUFFICIENT_DATA.

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15
Q

What can CloudWatch alarms do?

A

Trigger SNS notifications, auto-scaling actions, or other AWS services.

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16
Q

How are CloudWatch metrics accessed?

A

Via AWS Console, CLI, or API.