← SOA-C02·Amazon Web Services

Question 954 of 1,546

Monitoring, Logging, and Remediation →mediumMultiple SelectObjective-mapped

Quick Answer

The correct answer is to install and configure the unified CloudWatch agent on each EC2 instance and attach an IAM role with the logs:PutLogEvents permission. This works because the unified agent is designed to collect both logs and metrics from Amazon Linux 2, pushing them directly to CloudWatch Logs via the PutLogEvents API call, which requires the IAM role to authorize that specific action. On the AWS Certified SysOps Administrator Associate SOA-C02 exam, this scenario tests your understanding of the agent-based ingestion model versus export-based workflows; a common trap is confusing S3 as a direct ingestion target when it is only used for exporting archived logs, not real-time centralized logging. Remember that the agent pushes logs, so no export action is needed, and VPC endpoints are optional unless the instances lack internet access. A useful memory tip is "Push with PutLogEvents" — the agent pushes, and the IAM policy must allow the PutLogEvents action.

SOA-C02 Monitoring, Logging, and Remediation Practice Question

This SOA-C02 practice question tests your understanding of monitoring, logging, and remediation. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.

Which TWO actions should a SysOps administrator take to set up centralized logging from multiple Amazon EC2 instances running Amazon Linux 2 to Amazon CloudWatch Logs?

Question 1mediummulti select

Full question →

A
Attach an IAM role to each EC2 instance that includes permission for logs:PutLogEvents.
The IAM role must allow the CloudWatch agent to call PutLogEvents to send log data to CloudWatch Logs.
B
Create an S3 bucket and configure the EC2 instances to write logs directly to the bucket.
Why wrong: Direct write to S3 does not integrate with CloudWatch Logs; logs would need to be pulled via Lambda or other means.
C
Install and configure the unified CloudWatch agent on each EC2 instance.
The unified CloudWatch agent can collect logs and metrics from EC2 instances and send them to CloudWatch Logs.
D
Create a VPC endpoint for CloudWatch Logs to allow private connectivity.
Why wrong: VPC endpoints are optional and used for private connectivity, not required for standard setup.
E
Export the logs from CloudWatch Logs to an Amazon S3 bucket for long-term retention.
Why wrong: Exporting is an optional step for archival, not required for initial centralized logging setup.

Full breakdown with real-world context →

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

✓

Attach an IAM role to each EC2 instance that includes permission for logs:PutLogEvents.

Options A and C are correct. Installing and configuring the CloudWatch Logs agent on each EC2 instance is required to send logs to CloudWatch. The IAM role must grant the logs:PutLogEvents permission to allow the agent to write log events. Option B is wrong because CloudWatch Logs does not support S3 as a direct target for real-time log ingestion; S3 is a destination for log exports. Option D is wrong because there is no 'export' action needed; the agent pushes logs. Option E is wrong because CloudWatch Logs does not require VPC endpoints for internet-facing instances; it uses public endpoints.

Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

✓
Attach an IAM role to each EC2 instance that includes permission for logs:PutLogEvents.
Why this is correct
The IAM role must allow the CloudWatch agent to call PutLogEvents to send log data to CloudWatch Logs.
Related concept
Static NAT maps one inside address to one outside address.
✗
Create an S3 bucket and configure the EC2 instances to write logs directly to the bucket.
Why it's wrong here
Direct write to S3 does not integrate with CloudWatch Logs; logs would need to be pulled via Lambda or other means.
✓
Install and configure the unified CloudWatch agent on each EC2 instance.
Why this is correct
The unified CloudWatch agent can collect logs and metrics from EC2 instances and send them to CloudWatch Logs.
Related concept
Static NAT maps one inside address to one outside address.
✗
Create a VPC endpoint for CloudWatch Logs to allow private connectivity.
Why it's wrong here
VPC endpoints are optional and used for private connectivity, not required for standard setup.
✗
Export the logs from CloudWatch Logs to an Amazon S3 bucket for long-term retention.
Why it's wrong here
Exporting is an optional step for archival, not required for initial centralized logging setup.

Common exam traps

Common exam trap: NAT rules depend on direction and matching traffic

NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.

Detailed technical explanation

How to think about this question

NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.

KKey Concepts to Remember

Static NAT maps one inside address to one outside address.
PAT allows many inside hosts to share one public address using ports.
Inside local and inside global describe the private and translated addresses.
NAT ACLs identify traffic for translation, not always security filtering.

TExam Day Tips

Identify inside and outside interfaces first.
Check whether the scenario needs static NAT, dynamic NAT or PAT.
Do not confuse NAT matching ACLs with normal packet-filtering intent.

Key takeaway

NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.

Real-world example

How this comes up in practice

A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.

What to study next

Got this wrong? Here's your next step.

Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related SOA-C02 NAT questions on configuration and troubleshooting.

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FAQ

Questions learners often ask

What does this SOA-C02 question test?

Monitoring, Logging, and Remediation — This question tests Monitoring, Logging, and Remediation — Static NAT maps one inside address to one outside address..

What is the correct answer to this question?

The correct answer is: Attach an IAM role to each EC2 instance that includes permission for logs:PutLogEvents. — Options A and C are correct. Installing and configuring the CloudWatch Logs agent on each EC2 instance is required to send logs to CloudWatch. The IAM role must grant the logs:PutLogEvents permission to allow the agent to write log events. Option B is wrong because CloudWatch Logs does not support S3 as a direct target for real-time log ingestion; S3 is a destination for log exports. Option D is wrong because there is no 'export' action needed; the agent pushes logs. Option E is wrong because CloudWatch Logs does not require VPC endpoints for internet-facing instances; it uses public endpoints.

What should I do if I get this SOA-C02 question wrong?

What is the key concept behind this question?

Static NAT maps one inside address to one outside address.

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