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AWS > AWS Monitoring & Analytics > Flashcards

AWS Monitoring & Analytics Flashcards

1
Q

What is Amazon CloudWatch?

A

Amazon CloudWatch is a monitoring service provided by AWS that allows you to monitor the health and operations of your AWS infrastructure and applications in real time. It tracks and monitors metrics, which are variables tied to your resources, such as the number of espressos made by an espresso machine or the CPU utilization of an EC2 instance.

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2
Q

What is Amazon CloudWatch?

A

Amazon CloudWatch is a monitoring service provided by AWS that allows you to monitor the health and operations of your AWS infrastructure and applications in real time. It tracks and monitors metrics, which are variables tied to your resources, such as the number of espressos made by an espresso machine or the CPU utilization of an EC2 instance.

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3
Q

How can CloudWatch help in monitoring a custom metric?

A

CloudWatch enables you to create custom metrics, such as “espresso count” for an espresso machine. You can set a threshold for the metric, and when it reaches that threshold, CloudWatch can generate an alert and trigger an action. For example, if the espresso count hits 100, CloudWatch can send an SMS alert to the manager, indicating that the machine needs to be cleaned.

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4
Q

What is the purpose of CloudWatch alarms?

A

CloudWatch alarms are used to monitor metrics and trigger actions based on defined thresholds. When a metric breaches the threshold, CloudWatch generates an alarm and can perform actions, such as sending notifications or executing automated responses. CloudWatch alarms are integrated with Simple Notification Service (SNS) for sending alerts.

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5
Q

How can CloudWatch dashboards be useful?

A

CloudWatch dashboards provide a consolidated view of metrics in near real time. They allow you to aggregate and display multiple metrics on a single screen, providing proactive monitoring capabilities. In the context of the coffee shop example, a CloudWatch dashboard can show the espresso machines and their respective espresso counts, enabling easy monitoring and management.

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6
Q

How can CloudWatch help in monitoring a custom metric?

A

CloudWatch enables you to create custom metrics, such as “espresso count” for an espresso machine. You can set a threshold for the metric, and when it reaches that threshold, CloudWatch can generate an alert and trigger an action. For example, if the espresso count hits 100, CloudWatch can send an SMS alert to the manager, indicating that the machine needs to be cleaned.

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6
Q

What is the purpose of CloudWatch alarms?

A

CloudWatch alarms are used to monitor metrics and trigger actions based on defined thresholds. When a metric breaches the threshold, CloudWatch generates an alarm and can perform actions, such as sending notifications or executing automated responses. CloudWatch alarms are integrated with Simple Notification Service (SNS) for sending alerts.

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7
Q

What are the benefits of using Amazon CloudWatch?

A

Using Amazon CloudWatch offers several benefits. Firstly, it provides access to all metrics from a central location, enabling system-wide visibility by collecting metrics and logs from AWS resources and applications. Additionally, it allows visibility across applications, infrastructure, and services, facilitating insights and issue resolution. CloudWatch helps reduce meantime to resolution (MTTR), improve total cost of ownership (TCO), and optimize operational resources.

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7
Q

How can CloudWatch dashboards be useful?

A

CloudWatch dashboards provide a consolidated view of metrics in near real time. They allow you to aggregate and display multiple metrics on a single screen, providing proactive monitoring capabilities. In the context of the coffee shop example, a CloudWatch dashboard can show the espresso machines and their respective espresso counts, enabling easy monitoring and management.

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8
Q

How can CloudWatch help in monitoring a custom metric?

A

CloudWatch enables you to create custom metrics, such as “espresso count” for an espresso machine. You can set a threshold for the metric, and when it reaches that threshold, CloudWatch can generate an alert and trigger an action. For example, if the espresso count hits 100, CloudWatch can send an SMS alert to the manager, indicating that the machine needs to be cleaned.

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9
Q

What is the purpose of CloudWatch alarms?

A

CloudWatch alarms are used to monitor metrics and trigger actions based on defined thresholds. When a metric breaches the threshold, CloudWatch generates an alarm and can perform actions, such as sending notifications or executing automated responses. CloudWatch alarms are integrated with Simple Notification Service (SNS) for sending alerts.

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10
Q

How can CloudWatch dashboards be useful?

A

CloudWatch dashboards provide a consolidated view of metrics in near real time. They allow you to aggregate and display multiple metrics on a single screen, providing proactive monitoring capabilities. In the context of the coffee shop example, a CloudWatch dashboard can show the espresso machines and their respective espresso counts, enabling easy monitoring and management.

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11
Q

How can CloudWatch help in monitoring a custom metric?

A

CloudWatch enables you to create custom metrics, such as “espresso count” for an espresso machine. You can set a threshold for the metric, and when it reaches that threshold, CloudWatch can generate an alert and trigger an action. For example, if the espresso count hits 100, CloudWatch can send an SMS alert to the manager, indicating that the machine needs to be cleaned.

How well did you know this?
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11
Q

What is the purpose of CloudWatch alarms?

A

CloudWatch alarms are used to monitor metrics and trigger actions based on defined thresholds. When a metric breaches the threshold, CloudWatch generates an alarm and can perform actions, such as sending notifications or executing automated responses. CloudWatch alarms are integrated with Simple Notification Service (SNS) for sending alerts.

How well did you know this?
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12
Q

How can CloudWatch dashboards be useful?

A

CloudWatch dashboards provide a consolidated view of metrics in near real time. They allow you to aggregate and display multiple metrics on a single screen, providing proactive monitoring capabilities. In the context of the coffee shop example, a CloudWatch dashboard can show the espresso machines and their respective espresso counts, enabling easy monitoring and management.

How well did you know this?
1
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3
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12
Q

What are the benefits of using Amazon CloudWatch?

A

Using Amazon CloudWatch offers several benefits. Firstly, it provides access to all metrics from a central location, enabling system-wide visibility by collecting metrics and logs from AWS resources and applications. Additionally, it allows visibility across applications, infrastructure, and services, facilitating insights and issue resolution. CloudWatch helps reduce meantime to resolution (MTTR), improve total cost of ownership (TCO), and optimize operational resources.

13
Q

What is AWS CloudTrail?

A

AWS CloudTrail is a service that records API calls made within your AWS account. It captures information such as the identity of the API caller, the time of the API call, the source IP address of the API caller, and more. CloudTrail essentially creates a log or trail of actions, allowing you to track and review user activity and API calls for your applications and resources.

14
Q

How can CloudTrail help in reviewing user activity and API calls?

A

CloudTrail provides a complete history of user activity and API calls for your AWS resources. Within approximately 15 minutes after an API call, the corresponding events are updated in CloudTrail. You can filter these events based on various criteria, such as the time and date of the API call, the user who made the request, the type of resource involved, and more. This allows you to easily review and analyze the activity associated with your account.

15
Q

Can you provide an example of how CloudTrail can be used?

A

Let’s say the owner of a coffee shop is exploring the AWS Identity and Access Management (IAM) section in the AWS Management Console. They notice that a new IAM user named Mary has been created but want to know who created the user, when it happened, and which method was used. To find answers, the owner navigates to AWS CloudTrail.

Using CloudTrail’s Event History section, the owner applies a filter to display only the events related to the “CreateUser” API action in IAM. They locate the event that corresponds to the API call responsible for creating the IAM user named Mary. This event record provides detailed information: on January 1, 2020, at 9:00 AM, an IAM user named John created a new IAM user (Mary) through the AWS Management Console.

16
Q

How can CloudWatch help in monitoring a custom metric?

A

CloudWatch enables you to create custom metrics, such as “espresso count” for an espresso machine. You can set a threshold for the metric, and when it reaches that threshold, CloudWatch can generate an alert and trigger an action. For example, if the espresso count hits 100, CloudWatch can send an SMS alert to the manager, indicating that the machine needs to be cleaned.

16
Q

What is the purpose of CloudWatch alarms?

A

CloudWatch alarms are used to monitor metrics and trigger actions based on defined thresholds. When a metric breaches the threshold, CloudWatch generates an alarm and can perform actions, such as sending notifications or executing automated responses. CloudWatch alarms are integrated with Simple Notification Service (SNS) for sending alerts.

17
Q

How can CloudWatch dashboards be useful?

A

CloudWatch dashboards provide a consolidated view of metrics in near real time. They allow you to aggregate and display multiple metrics on a single screen, providing proactive monitoring capabilities. In the context of the coffee shop example, a CloudWatch dashboard can show the espresso machines and their respective espresso counts, enabling easy monitoring and management.

17
Q

What are the benefits of using Amazon CloudWatch?

A

Using Amazon CloudWatch offers several benefits. Firstly, it provides access to all metrics from a central location, enabling system-wide visibility by collecting metrics and logs from AWS resources and applications. Additionally, it allows visibility across applications, infrastructure, and services, facilitating insights and issue resolution. CloudWatch helps reduce meantime to resolution (MTTR), improve total cost of ownership (TCO), and optimize operational resources.

18
Q

What is CloudTrail Insights?

A

CloudTrail Insights is an optional feature available within CloudTrail. It enables automatic detection of unusual API activities within your AWS account. For example, CloudTrail Insights can detect an abnormally high number of recently launched Amazon EC2 instances in your account. When such activities are detected, you can review the full event details provided by CloudTrail to determine the necessary actions to be taken in response.

18
Q

What is AWS Trusted Advisor?

A

AWS Trusted Advisor is a web service that inspects your AWS environment and provides real-time recommendations based on AWS best practices.

18
Q

In which categories does Trusted Advisor compare its findings to AWS best practices?

A

Trusted Advisor compares its findings in five categories: cost optimization, performance, security, fault tolerance, and service limits.

18
Q

What does Trusted Advisor offer for each category?

A

Trusted Advisor offers a list of recommended actions and additional resources to learn more about AWS best practices for each category.

19
Q

How can AWS Trusted Advisor benefit your company?

A

AWS Trusted Advisor can benefit your company at all stages of deployment, including assisting with creating new workflows, developing new applications, and making ongoing improvements to existing applications and resources.

19
Q

What information is displayed on the Trusted Advisor dashboard?

A

The Trusted Advisor dashboard displays completed checks for cost optimization, performance, security, fault tolerance, and service limits.

20
Q

What does the green check represent on the Trusted Advisor dashboard?

A

The green check indicates the number of items for which Trusted Advisor detected no problems.

21
Q

What does the orange triangle represent on the Trusted Advisor dashboard?

A

The orange triangle represents the number of recommended investigations suggested by Trusted Advisor.

21
Q

What does the red circle represent on the Trusted Advisor dashboard?

A

The red circle represents the number of recommended actions suggested by Trusted Advisor.

AWS (15 decks)

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