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AWS Certified Solutions Architect Professional Practice Exams 2024 > Amazon CloudWatch > Flashcards

Amazon CloudWatch Flashcards

1
Q

What is the primary purpose of Amazon CloudWatch?

A

Amazon CloudWatch is a monitoring tool for AWS resources and applications. It displays metrics, creates alarms, and sends notifications based on those metrics.

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2
Q

How does Amazon CloudWatch display metrics?

A

Amazon CloudWatch displays metrics in a time-ordered set of data points, allowing users to visualize the performance and behavior of AWS resources and applications.

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3
Q

What are namespaces in Amazon CloudWatch?

A

Namespaces in Amazon CloudWatch are containers for metrics. AWS services and custom metrics are organized within namespaces.

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4
Q

What are dimensions in Amazon CloudWatch?

A

imensions are name/value pairs that uniquely identify a metric. You can assign up to 10 dimensions to a metric, creating variations of that metric.

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5
Q

What are the two types of metric resolutions in Amazon CloudWatch?

A

Amazon CloudWatch supports two types of metric resolutions: standard resolution (one minute granularity) and high resolution (one-second granularity).

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6
Q

What is an alarm in Amazon CloudWatch?

A

An alarm in Amazon CloudWatch watches a single metric over time and performs actions based on the metric’s value relative to a specified threshold.

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7
Q

What are the three states an alarm in Amazon CloudWatch can be in?

A

An alarm in Amazon CloudWatch can be in one of three states: OK, ALARM (outside the defined threshold), or INSUFFICIENT_DATA (lack of data to determine the state).

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8
Q

What is the purpose of Amazon CloudWatch Dashboards?

A

Amazon CloudWatch Dashboards provide customizable home pages in the CloudWatch console for monitoring AWS resources in a single view.

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9
Q

How can you share Amazon CloudWatch Dashboards with others?

A

You can share Amazon CloudWatch Dashboards by designating specific users, making them public, or using third-party Single Sign-On (SSO) providers.

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10
Q

What is the difference between Amazon CloudWatch Events and Amazon EventBridge?

A

Amazon EventBridge builds upon CloudWatch Events, extending its capabilities by enabling connections with third-party SaaS apps and making it easier to connect applications.

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11
Q

What is CloudWatch Logs Insights used for?

A

CloudWatch Logs Insights is used to interactively search and analyze log data in CloudWatch Logs using queries.

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12
Q

What is the purpose of CloudWatch Application Insights?

A

CloudWatch Application Insights helps in observability for applications and AWS resources. It automatically configures monitoring and detects problems in applications.

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13
Q

What does CloudWatch Container Insights collect and monitor?

A

CloudWatch Container Insights collects and monitors metrics and logs from containerized applications and microservices, supporting platforms like Amazon ECS, Amazon EKS, and Kubernetes on EC2.

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14
Q

How is CloudWatch pricing structured?

A

CloudWatch pricing includes charges based on the number of metrics, API requests, dashboards, alarms, log data volume, custom events, rules, query usage, and more.

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15
Q

What is the purpose of Metric Filters in CloudWatch Logs?

A

Metric Filters in CloudWatch Logs are used to define terms and patterns to look for in log data as it is sent to CloudWatch Logs, and they publish metric data points for matching events.

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16
Q

What are Permissions Policies in Amazon CloudWatch?

A

Permissions Policies in Amazon CloudWatch are used for controlling access to CloudWatch actions and resources. They determine who can perform specific actions.

17
Q

How is Amazon CloudWatch Application Insights different from traditional monitoring?

A

Amazon CloudWatch Application Insights offers intelligent problem detection and automatically configures monitoring, making it easier to identify and resolve issues compared to traditional monitoring setups.

18
Q

What is the difference between CloudWatch Vended Logs and Custom Logs?

A

CloudWatch Vended Logs are logs natively published by AWS services on behalf of the customer, while Custom Logs are logs generated by customer applications and resources.

19
Q

How does CloudWatch Agent assist in log and metric collection?

A

The CloudWatch Agent collects logs and system-level metrics from EC2 instances and on-premises servers, enhancing the data available for monitoring.

20
Q

What is CloudWatch Metric Streams used for?

A

CloudWatch Metric Streams enables the continuous, near real-time streaming of metrics to external destinations such as Datadog, New Relic, and more.

21
Q

How does Amazon CloudWatch help in monitoring real user interactions?

A

Amazon CloudWatch Real User Monitoring (RUM) allows you to collect client-side data about web application performance from actual user sessions in near real-time.

22
Q

What is the primary use of CloudWatch Evidently?

A

CloudWatch Evidently is used to test new features by serving them to a subset of users and monitoring their performance before fully launching the feature.

23
Q

What is the default retention period for problems and observations in CloudWatch Application Insights?

A

CloudWatch Application Insights retains problems for 55 days and observations for 60 days by default.

24
Q

Which container orchestration platforms are supported by CloudWatch Container Insights?

A

CloudWatch Container Insights is available for Amazon Elastic Container Service (Amazon ECS), Amazon Elastic Kubernetes Service (Amazon EKS), and Kubernetes on Amazon EC2.

25
Q

How does CloudWatch Container Insights handle charges for metrics?

A

With Container Insights with enhanced observability for Amazon EKS, metrics are charged per observation, not per metric stored or log ingested.

26
Q

What is the purpose of IAM identity-based policies in CloudWatch?

A

IAM identity-based policies in CloudWatch are used for managing access control by specifying who has access to which CloudWatch actions and resources.

27
Q

What are Resource-Based Policies in CloudWatch?

A

Resource-Based Policies in CloudWatch are used for controlling access to resources, but CloudWatch does not have specific Amazon Resource Names (ARNs) to use in these policies.

28
Q

What are CloudWatch Metrics requested via API calls charged based on?

A

CloudWatch Metrics requested via API calls are charged based on the number of metrics requested per 1000 metrics.

AWS Certified Solutions Architect Professional Practice Exams 2024 (3 decks)

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