Amazon AWS Certified Machine Learning Engineer - Associate MLA-C01 Exam Dumps, Practice Test Questions

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AWS Certified Machine Learning Engineer - Associate MLA-C01 Premium Bundle

Amazon AWS Certified Machine Learning Engineer - Associate MLA-C01 Premium Bundle
  • Premium File: 270 Questions & Answers. Last update: Nov 9, 2026
  • Training Course: 244 Video Lectures
  • Study Guide: 548 Pages
  • Latest Questions
  • 100% Accurate Answers
  • Fast Exam Updates
$79.97
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Amazon AWS Certified Machine Learning Engineer - Associate MLA-C01 Practice Test 2

Question 10

A cloud ML change request describes the following issue: An enterprise already uses Apache Kafka producers and requires managed Kafka brokers for an AWS-based ML event pipeline without rewriting those clients for Kinesis. Which action best addresses the actual requirement?

  1. Deploy appropriately configured Amazon MSK with secure broker access and existing Kafka-topic conventions.
  2. Use S3 multipart upload with checkpointed part identifiers and abort rules for abandoned attempts.
  3. Choose and provision an EBS volume type and IOPS budget suited to the observed random I/O requirement.
  4. Route selected S3 object events through EventBridge to an idempotent validation workflow.

Explanation

Correct Answer

A:

This action fits the situation: An enterprise already uses Apache Kafka producers and requires managed Kafka brokers for an AWS-based ML event pipeline without rewriting those clients for Kinesis. It implements the needed technical control: Deploy appropriately configured Amazon MSK with secure broker access and existing Kafka-topic conventions. The intended outcome is that existing Kafka producers can send events to a managed Kafka infrastructure. The important limitation is that mSK brokers still require capacity, partition, authentication, and consumer lag management.

Incorrect Answers

B:

This action is appropriate for another requirement: A remote sensor network periodically uploads 30 GB compressed datasets, and a failed connection currently forces a full restart of each upload. It does not solve the presented constraint: An enterprise already uses Apache Kafka producers and requires managed Kafka brokers for an AWS-based ML event pipeline without rewriting those clients for Kinesis. The matching action for this case is: Deploy appropriately configured Amazon MSK with secure broker access and existing Kafka-topic conventions.

C:

This action is appropriate for another requirement: A GPU training instance repeatedly reads a random-access local index and standard EBS storage saturates on small I/O requests during preprocessing. It does not solve the presented constraint: An enterprise already uses Apache Kafka producers and requires managed Kafka brokers for an AWS-based ML event pipeline without rewriting those clients for Kinesis. The matching action for this case is: Deploy appropriately configured Amazon MSK with secure broker access and existing Kafka-topic conventions.

D:

This action is appropriate for another requirement: A finance lake receives one S3 object per nightly batch and wants ingestion validation to start when the specific input prefix receives a complete new object. It does not solve the presented constraint: An enterprise already uses Apache Kafka producers and requires managed Kafka brokers for an AWS-based ML event pipeline without rewriting those clients for Kinesis. The matching action for this case is: Deploy appropriately configured Amazon MSK with secure broker access and existing Kafka-topic conventions.

Question 11

A team is choosing a specific control for this workload: An online fraud API needs current user feature values in milliseconds, while model training needs historical feature records from the same definitions. Which action best addresses the actual requirement?

  1. Choose and provision an EBS volume type and IOPS budget suited to the observed random I/O requirement.
  2. Configure SageMaker Feature Store with appropriate online and offline storage for shared feature groups.
  3. Enable S3 Versioning and record the exact source object version IDs in the experiment manifest.
  4. Partition the records by date and store compressed Parquet objects in the authorized S3 location.

Explanation

Correct Answer

B:

This action fits the situation: An online fraud API needs current user feature values in milliseconds, while model training needs historical feature records from the same definitions. It implements the needed technical control: Configure SageMaker Feature Store with appropriate online and offline storage for shared feature groups. The intended outcome is that online inference can retrieve low-latency values while training reads durable feature histories. The important limitation is that point-in-time correctness requires timestamp-aware joins; online latest values must not leak into past training examples.

Incorrect Answers

A:

This action is appropriate for another requirement: A GPU training instance repeatedly reads a random-access local index and standard EBS storage saturates on small I/O requests during preprocessing. It does not solve the presented constraint: An online fraud API needs current user feature values in milliseconds, while model training needs historical feature records from the same definitions. The matching action for this case is: Configure SageMaker Feature Store with appropriate online and offline storage for shared feature groups.

C:

This action is appropriate for another requirement: A data scientist discovers that yesterday's feature extraction changed the raw CSV underlying a model run and must recover the exact original S3 object revision. It does not solve the presented constraint: An online fraud API needs current user feature values in milliseconds, while model training needs historical feature records from the same definitions. The matching action for this case is: Configure SageMaker Feature Store with appropriate online and offline storage for shared feature groups.

D:

This action is appropriate for another requirement: An insurance company trains on years of wide structured claims data in Amazon S3, but analysts repeatedly scan only six columns and spend too much time reading CSV files. It does not solve the presented constraint: An online fraud API needs current user feature values in milliseconds, while model training needs historical feature records from the same definitions. The matching action for this case is: Configure SageMaker Feature Store with appropriate online and offline storage for shared feature groups.

Question 12

An ML engineering team faces this production constraint: A remote sensor network periodically uploads 30 GB compressed datasets, and a failed connection currently forces a full restart of each upload. Which action best addresses the actual requirement?

  1. Deploy appropriately configured Amazon MSK with secure broker access and existing Kafka-topic conventions.
  2. Route selected S3 object events through EventBridge to an idempotent validation workflow.
  3. Enable DynamoDB Streams and consume the relevant change records with an authorized processing integration.
  4. Use S3 multipart upload with checkpointed part identifiers and abort rules for abandoned attempts.

Explanation

Correct Answer

D:

This action fits the situation: A remote sensor network periodically uploads 30 GB compressed datasets, and a failed connection currently forces a full restart of each upload. It implements the needed technical control: Use S3 multipart upload with checkpointed part identifiers and abort rules for abandoned attempts. The intended outcome is that completed parts can be retried independently before finalizing the large object. The important limitation is that incomplete multipart parts can incur storage costs until completed or explicitly cleaned up.

Incorrect Answers

A:

This action is appropriate for another requirement: An enterprise already uses Apache Kafka producers and requires managed Kafka brokers for an AWS-based ML event pipeline without rewriting those clients for Kinesis. It does not solve the presented constraint: A remote sensor network periodically uploads 30 GB compressed datasets, and a failed connection currently forces a full restart of each upload. The matching action for this case is: Use S3 multipart upload with checkpointed part identifiers and abort rules for abandoned attempts.

B:

This action is appropriate for another requirement: A finance lake receives one S3 object per nightly batch and wants ingestion validation to start when the specific input prefix receives a complete new object. It does not solve the presented constraint: A remote sensor network periodically uploads 30 GB compressed datasets, and a failed connection currently forces a full restart of each upload. The matching action for this case is: Use S3 multipart upload with checkpointed part identifiers and abort rules for abandoned attempts.

C:

This action is appropriate for another requirement: A merchant needs downstream features updated when items in a DynamoDB inventory table change, without polling and scanning the entire table each minute. It does not solve the presented constraint: A remote sensor network periodically uploads 30 GB compressed datasets, and a failed connection currently forces a full restart of each upload. The matching action for this case is: Use S3 multipart upload with checkpointed part identifiers and abort rules for abandoned attempts.

Question 13

A cloud ML change request describes the following issue: A GPU training instance repeatedly reads a random-access local index and standard EBS storage saturates on small I/O requests during preprocessing. Which action best addresses the actual requirement?

  1. Configure an AWS Glue ETL job with an approved JDBC connection and S3 output dataset.
  2. Choose and provision an EBS volume type and IOPS budget suited to the observed random I/O requirement.
  3. Route selected S3 object events through EventBridge to an idempotent validation workflow.
  4. Deploy appropriately configured Amazon MSK with secure broker access and existing Kafka-topic conventions.

Explanation

Correct Answer

B:

This action fits the situation: A GPU training instance repeatedly reads a random-access local index and standard EBS storage saturates on small I/O requests during preprocessing. It implements the needed technical control: Choose and provision an EBS volume type and IOPS budget suited to the observed random I/O requirement. The intended outcome is that the training host receives predictable block-storage performance within provisioned limits. The important limitation is that instance-level EBS bandwidth can still cap throughput even when the volume IOPS setting is raised.

Incorrect Answers

A:

This action is appropriate for another requirement: A team needs a scheduled extraction of selected records from Amazon RDS into S3 for modeling while applying typed transformations and recording job history. It does not solve the presented constraint: A GPU training instance repeatedly reads a random-access local index and standard EBS storage saturates on small I/O requests during preprocessing. The matching action for this case is: Choose and provision an EBS volume type and IOPS budget suited to the observed random I/O requirement.

C:

This action is appropriate for another requirement: A finance lake receives one S3 object per nightly batch and wants ingestion validation to start when the specific input prefix receives a complete new object. It does not solve the presented constraint: A GPU training instance repeatedly reads a random-access local index and standard EBS storage saturates on small I/O requests during preprocessing. The matching action for this case is: Choose and provision an EBS volume type and IOPS budget suited to the observed random I/O requirement.

D:

This action is appropriate for another requirement: An enterprise already uses Apache Kafka producers and requires managed Kafka brokers for an AWS-based ML event pipeline without rewriting those clients for Kinesis. It does not solve the presented constraint: A GPU training instance repeatedly reads a random-access local index and standard EBS storage saturates on small I/O requests during preprocessing. The matching action for this case is: Choose and provision an EBS volume type and IOPS budget suited to the observed random I/O requirement.

Question 14

A team is choosing a specific control for this workload: A finance lake receives one S3 object per nightly batch and wants ingestion validation to start when the specific input prefix receives a complete new object. Which action best addresses the actual requirement?

  1. Use S3 multipart upload with checkpointed part identifiers and abort rules for abandoned attempts.
  2. Configure an Amazon Data Firehose stream with an S3 destination, suitable buffering, compression, and failure handling.
  3. Use Amazon FSx for Lustre with an appropriate S3 data repository association and training access configuration.
  4. Route selected S3 object events through EventBridge to an idempotent validation workflow.

Explanation

Correct Answer

D:

This action fits the situation: A finance lake receives one S3 object per nightly batch and wants ingestion validation to start when the specific input prefix receives a complete new object. It implements the needed technical control: Route selected S3 object events through EventBridge to an idempotent validation workflow. The intended outcome is that new qualifying source objects trigger the downstream ingestion check automatically. The important limitation is that notifications are at-least-once and may be out of order, so duplicate and missing-object defenses remain necessary.

Incorrect Answers

A:

This action is appropriate for another requirement: A remote sensor network periodically uploads 30 GB compressed datasets, and a failed connection currently forces a full restart of each upload. It does not solve the presented constraint: A finance lake receives one S3 object per nightly batch and wants ingestion validation to start when the specific input prefix receives a complete new object. The matching action for this case is: Route selected S3 object events through EventBridge to an idempotent validation workflow.

B:

This action is appropriate for another requirement: A telemetry pipeline receives continuously arriving application events and must land compressed records in S3 without a custom long-running consumer service. It does not solve the presented constraint: A finance lake receives one S3 object per nightly batch and wants ingestion validation to start when the specific input prefix receives a complete new object. The matching action for this case is: Route selected S3 object events through EventBridge to an idempotent validation workflow.

C:

This action is appropriate for another requirement: A vision team repeatedly reads millions of images from S3 during high-throughput distributed training and requires filesystem semantics with parallel read performance. It does not solve the presented constraint: A finance lake receives one S3 object per nightly batch and wants ingestion validation to start when the specific input prefix receives a complete new object. The matching action for this case is: Route selected S3 object events through EventBridge to an idempotent validation workflow.

Question 15

During a production readiness audit, three independent ML pipeline behaviors must be verified. Workstream A: An insurance company trains on years of wide structured claims data in Amazon S3, but analysts repeatedly scan only six columns and spend too much time reading CSV files. Workstream B: A vision team repeatedly reads millions of images from S3 during high-throughput distributed training and requires filesystem semantics with parallel read performance. Workstream C: A merchant needs downstream features updated when items in a DynamoDB inventory table change, without polling and scanning the entire table each minute. Select exactly THREE observations, one diagnostic that directly tests each workstream.

  1. Review the producer Kafka protocol compatibility needs and Amazon MSK broker connectivity.
  2. Inspect incomplete multipart upload sessions and uploaded part ETags for the target S3 key.
  3. Measure aggregate training-worker read throughput and FSx for Lustre repository import status.
  4. Compare Athena bytes scanned for the selected columns in CSV and Parquet datasets.
  5. Inspect DynamoDB Streams records and sequence numbers for actual item modifications.
  6. Check Amazon Data Firehose delivery-stream error metrics and S3 delivery object timestamps.

Explanation

Correct Answers

C:

This evidence directly tests the reported behavior: Measure aggregate training-worker read throughput and FSx for Lustre repository import status. For this case, a vision team repeatedly reads millions of images from S3 during high-throughput distributed training and requires filesystem semantics with parallel read performance. The results tell the team whether to apply the targeted change: Use Amazon FSx for Lustre with an appropriate S3 data repository association and training access configuration.

D:

This evidence directly tests the reported behavior: Compare Athena bytes scanned for the selected columns in CSV and Parquet datasets. For this case, an insurance company trains on years of wide structured claims data in Amazon S3, but analysts repeatedly scan only six columns and spend too much time reading CSV files. The results tell the team whether to apply the targeted change: Partition the records by date and store compressed Parquet objects in the authorized S3 location.

E:

This evidence directly tests the reported behavior: Inspect DynamoDB Streams records and sequence numbers for actual item modifications. For this case, a merchant needs downstream features updated when items in a DynamoDB inventory table change, without polling and scanning the entire table each minute. The results tell the team whether to apply the targeted change: Enable DynamoDB Streams and consume the relevant change records with an authorized processing integration.

Incorrect Answers

A:

That alternative addresses a different task: An enterprise already uses Apache Kafka producers and requires managed Kafka brokers for an AWS-based ML event pipeline without rewriting those clients for Kinesis. The selected workloads instead require Columnar object storage, High throughput training filesystem, Change data capture events.

B:

That alternative addresses a different task: A remote sensor network periodically uploads 30 GB compressed datasets, and a failed connection currently forces a full restart of each upload. The selected workloads instead require Columnar object storage, High throughput training filesystem, Change data capture events.

F:

That alternative addresses a different task: A telemetry pipeline receives continuously arriving application events and must land compressed records in S3 without a custom long-running consumer service. The selected workloads instead require Columnar object storage, High throughput training filesystem, Change data capture events.

Question 16

During a production readiness audit, three independent ML pipeline behaviors must be verified. Workstream A: A fraud team needs to replay an ordered stream of card authorization events for a new consumer without asking the card processor to send the original events again. Workstream B: A data scientist discovers that yesterday's feature extraction changed the raw CSV underlying a model run and must recover the exact original S3 object revision. Workstream C: An enterprise already uses Apache Kafka producers and requires managed Kafka brokers for an AWS-based ML event pipeline without rewriting those clients for Kinesis. Select exactly THREE observations, one diagnostic that directly tests each workstream.

  1. Review the producer Kafka protocol compatibility needs and Amazon MSK broker connectivity.
  2. Compare Athena bytes scanned for the selected columns in CSV and Parquet datasets.
  3. Inspect Kinesis Data Streams shard sequence numbers and retained records within the configured retention window.
  4. Check Amazon Data Firehose delivery-stream error metrics and S3 delivery object timestamps.
  5. Measure aggregate training-worker read throughput and FSx for Lustre repository import status.
  6. Inspect S3 object version IDs and recorded training manifest object references.

Explanation

Correct Answers

A:

This evidence directly tests the reported behavior: Review the producer Kafka protocol compatibility needs and Amazon MSK broker connectivity. For this case, an enterprise already uses Apache Kafka producers and requires managed Kafka brokers for an AWS-based ML event pipeline without rewriting those clients for Kinesis. The results tell the team whether to apply the targeted change: Deploy appropriately configured Amazon MSK with secure broker access and existing Kafka-topic conventions.

C:

This evidence directly tests the reported behavior: Inspect Kinesis Data Streams shard sequence numbers and retained records within the configured retention window. For this case, a fraud team needs to replay an ordered stream of card authorization events for a new consumer without asking the card processor to send the original events again. The results tell the team whether to apply the targeted change: Ingest events into Kinesis Data Streams with sufficient shards and retention for consumer replay.

F:

This evidence directly tests the reported behavior: Inspect S3 object version IDs and recorded training manifest object references. For this case, a data scientist discovers that yesterday's feature extraction changed the raw CSV underlying a model run and must recover the exact original S3 object revision. The results tell the team whether to apply the targeted change: Enable S3 Versioning and record the exact source object version IDs in the experiment manifest.

Incorrect Answers

B:

That alternative addresses a different task: An insurance company trains on years of wide structured claims data in Amazon S3, but analysts repeatedly scan only six columns and spend too much time reading CSV files. The selected workloads instead require Replayable streaming ingestion, Versioned raw dataset, Kafka compatibility ingestion.

D:

That alternative addresses a different task: A telemetry pipeline receives continuously arriving application events and must land compressed records in S3 without a custom long-running consumer service. The selected workloads instead require Replayable streaming ingestion, Versioned raw dataset, Kafka compatibility ingestion.

E:

That alternative addresses a different task: A vision team repeatedly reads millions of images from S3 during high-throughput distributed training and requires filesystem semantics with parallel read performance. The selected workloads instead require Replayable streaming ingestion, Versioned raw dataset, Kafka compatibility ingestion.

Question 17

During a production readiness audit, three independent ML pipeline behaviors must be verified. Workstream A: A telemetry pipeline receives continuously arriving application events and must land compressed records in S3 without a custom long-running consumer service. Workstream B: A team needs a scheduled extraction of selected records from Amazon RDS into S3 for modeling while applying typed transformations and recording job history. Workstream C: An online fraud API needs current user feature values in milliseconds, while model training needs historical feature records from the same definitions. Select exactly THREE observations, one diagnostic that directly tests each workstream.

  1. Compare measured upload throughput using an S3 Transfer Acceleration endpoint versus the regional endpoint.
  2. Check Amazon Data Firehose delivery-stream error metrics and S3 delivery object timestamps.
  3. Inspect AWS Glue JDBC connection reachability, selected source table schema, and ETL job runs.
  4. Review the producer Kafka protocol compatibility needs and Amazon MSK broker connectivity.
  5. Compare EBS read IOPS and latency to the volume's configured IOPS provisioned limit.
  6. Inspect SageMaker Feature Store online-record lookups and offline-store ingestion lag.

Explanation

Correct Answers

B:

This evidence directly tests the reported behavior: Check Amazon Data Firehose delivery-stream error metrics and S3 delivery object timestamps. For this case, a telemetry pipeline receives continuously arriving application events and must land compressed records in S3 without a custom long-running consumer service. The results tell the team whether to apply the targeted change: Configure an Amazon Data Firehose stream with an S3 destination, suitable buffering, compression, and failure handling.

C:

This evidence directly tests the reported behavior: Inspect AWS Glue JDBC connection reachability, selected source table schema, and ETL job runs. For this case, a team needs a scheduled extraction of selected records from Amazon RDS into S3 for modeling while applying typed transformations and recording job history. The results tell the team whether to apply the targeted change: Configure an AWS Glue ETL job with an approved JDBC connection and S3 output dataset.

F:

This evidence directly tests the reported behavior: Inspect SageMaker Feature Store online-record lookups and offline-store ingestion lag. For this case, an online fraud API needs current user feature values in milliseconds, while model training needs historical feature records from the same definitions. The results tell the team whether to apply the targeted change: Configure SageMaker Feature Store with appropriate online and offline storage for shared feature groups.

Incorrect Answers

A:

That alternative addresses a different task: A research partner uploads multi-gigabyte labeled video datasets to a distant AWS Region and the normal S3 transfer route underperforms. The selected workloads instead require Managed streaming delivery, Relational source extraction, Online and offline feature reuse.

D:

That alternative addresses a different task: An enterprise already uses Apache Kafka producers and requires managed Kafka brokers for an AWS-based ML event pipeline without rewriting those clients for Kinesis. The selected workloads instead require Managed streaming delivery, Relational source extraction, Online and offline feature reuse.

E:

That alternative addresses a different task: A GPU training instance repeatedly reads a random-access local index and standard EBS storage saturates on small I/O requests during preprocessing. The selected workloads instead require Managed streaming delivery, Relational source extraction, Online and offline feature reuse.

Question 18

During a production readiness audit, three independent ML pipeline behaviors must be verified. Workstream A: A research partner uploads multi-gigabyte labeled video datasets to a distant AWS Region and the normal S3 transfer route underperforms. Workstream B: A merchant needs downstream features updated when items in a DynamoDB inventory table change, without polling and scanning the entire table each minute. Workstream C: A remote sensor network periodically uploads 30 GB compressed datasets, and a failed connection currently forces a full restart of each upload. Select exactly THREE observations, one diagnostic that directly tests each workstream.

  1. Check Amazon Data Firehose delivery-stream error metrics and S3 delivery object timestamps.
  2. Inspect DynamoDB Streams records and sequence numbers for actual item modifications.
  3. Compare measured upload throughput using an S3 Transfer Acceleration endpoint versus the regional endpoint.
  4. Review the producer Kafka protocol compatibility needs and Amazon MSK broker connectivity.
  5. Inspect incomplete multipart upload sessions and uploaded part ETags for the target S3 key.
  6. Compare Athena bytes scanned for the selected columns in CSV and Parquet datasets.

Explanation

Correct Answers

B:

This evidence directly tests the reported behavior: Inspect DynamoDB Streams records and sequence numbers for actual item modifications. For this case, a merchant needs downstream features updated when items in a DynamoDB inventory table change, without polling and scanning the entire table each minute. The results tell the team whether to apply the targeted change: Enable DynamoDB Streams and consume the relevant change records with an authorized processing integration.

C:

This evidence directly tests the reported behavior: Compare measured upload throughput using an S3 Transfer Acceleration endpoint versus the regional endpoint. For this case, a research partner uploads multi-gigabyte labeled video datasets to a distant AWS Region and the normal S3 transfer route underperforms. The results tell the team whether to apply the targeted change: Enable S3 Transfer Acceleration for the eligible bucket and use its accelerated upload endpoint.

E:

This evidence directly tests the reported behavior: Inspect incomplete multipart upload sessions and uploaded part ETags for the target S3 key. For this case, a remote sensor network periodically uploads 30 GB compressed datasets, and a failed connection currently forces a full restart of each upload. The results tell the team whether to apply the targeted change: Use S3 multipart upload with checkpointed part identifiers and abort rules for abandoned attempts.

Incorrect Answers

A:

That alternative addresses a different task: A telemetry pipeline receives continuously arriving application events and must land compressed records in S3 without a custom long-running consumer service. The selected workloads instead require Long distance object transfer, Change data capture events, Reliable multipart object uploads.

D:

That alternative addresses a different task: An enterprise already uses Apache Kafka producers and requires managed Kafka brokers for an AWS-based ML event pipeline without rewriting those clients for Kinesis. The selected workloads instead require Long distance object transfer, Change data capture events, Reliable multipart object uploads.

F:

That alternative addresses a different task: An insurance company trains on years of wide structured claims data in Amazon S3, but analysts repeatedly scan only six columns and spend too much time reading CSV files. The selected workloads instead require Long distance object transfer, Change data capture events, Reliable multipart object uploads.

Question 19

During a production readiness audit, three independent ML pipeline behaviors must be verified. Workstream A: Several SageMaker training workers require concurrent access to a POSIX directory tree containing many small training files instead of manually syncing copies into every container. Workstream B: An enterprise already uses Apache Kafka producers and requires managed Kafka brokers for an AWS-based ML event pipeline without rewriting those clients for Kinesis. Workstream C: A GPU training instance repeatedly reads a random-access local index and standard EBS storage saturates on small I/O requests during preprocessing. Select exactly THREE observations, one diagnostic that directly tests each workstream.

  1. Measure aggregate training-worker read throughput and FSx for Lustre repository import status.
  2. Inspect training mount permissions and concurrent file access for a shared Amazon EFS filesystem.
  3. Check Amazon Data Firehose delivery-stream error metrics and S3 delivery object timestamps.
  4. Compare EBS read IOPS and latency to the volume's configured IOPS provisioned limit.
  5. Review the producer Kafka protocol compatibility needs and Amazon MSK broker connectivity.
  6. Inspect SageMaker Feature Store online-record lookups and offline-store ingestion lag.

Explanation

Correct Answers

B:

This evidence directly tests the reported behavior: Inspect training mount permissions and concurrent file access for a shared Amazon EFS filesystem. For this case, several SageMaker training workers require concurrent access to a POSIX directory tree containing many small training files instead of manually syncing copies into every container. The results tell the team whether to apply the targeted change: Attach a supported EFS filesystem and mount the authorized shared directory in the training environment.

D:

This evidence directly tests the reported behavior: Compare EBS read IOPS and latency to the volume's configured IOPS provisioned limit. For this case, a GPU training instance repeatedly reads a random-access local index and standard EBS storage saturates on small I/O requests during preprocessing. The results tell the team whether to apply the targeted change: Choose and provision an EBS volume type and IOPS budget suited to the observed random I/O requirement.

E:

This evidence directly tests the reported behavior: Review the producer Kafka protocol compatibility needs and Amazon MSK broker connectivity. For this case, an enterprise already uses Apache Kafka producers and requires managed Kafka brokers for an AWS-based ML event pipeline without rewriting those clients for Kinesis. The results tell the team whether to apply the targeted change: Deploy appropriately configured Amazon MSK with secure broker access and existing Kafka-topic conventions.

Incorrect Answers

A:

That alternative addresses a different task: A vision team repeatedly reads millions of images from S3 during high-throughput distributed training and requires filesystem semantics with parallel read performance. The selected workloads instead require Shared POSIX training files, Kafka compatibility ingestion, Provisioned training scratch IOPS.

C:

That alternative addresses a different task: A telemetry pipeline receives continuously arriving application events and must land compressed records in S3 without a custom long-running consumer service. The selected workloads instead require Shared POSIX training files, Kafka compatibility ingestion, Provisioned training scratch IOPS.

F:

That alternative addresses a different task: An online fraud API needs current user feature values in milliseconds, while model training needs historical feature records from the same definitions. The selected workloads instead require Shared POSIX training files, Kafka compatibility ingestion, Provisioned training scratch IOPS.

Question 20

A data-science incident must be diagnosed without guessing: A vision team repeatedly reads millions of images from S3 during high-throughput distributed training and requires filesystem semantics with parallel read performance. Which diagnostic observation most directly evaluates the reported condition?

  1. Inspect AWS Glue JDBC connection reachability, selected source table schema, and ETL job runs.
  2. Review the producer Kafka protocol compatibility needs and Amazon MSK broker connectivity.
  3. Inspect Kinesis Data Streams shard sequence numbers and retained records within the configured retention window.
  4. Measure aggregate training-worker read throughput and FSx for Lustre repository import status.

Explanation

Correct Answer

D:

This evidence directly tests the reported behavior: Measure aggregate training-worker read throughput and FSx for Lustre repository import status. For this case, a vision team repeatedly reads millions of images from S3 during high-throughput distributed training and requires filesystem semantics with parallel read performance. The results tell the team whether to apply the targeted change: Use Amazon FSx for Lustre with an appropriate S3 data repository association and training access configuration.

Incorrect Answers

A:

That diagnostic measures a different AWS ML behavior: A team needs a scheduled extraction of selected records from Amazon RDS into S3 for modeling while applying typed transformations and recording job history. It cannot establish the main condition: A vision team repeatedly reads millions of images from S3 during high-throughput distributed training and requires filesystem semantics with parallel read performance. The decisive evidence for this case is: Measure aggregate training-worker read throughput and FSx for Lustre repository import status.

B:

That diagnostic measures a different AWS ML behavior: An enterprise already uses Apache Kafka producers and requires managed Kafka brokers for an AWS-based ML event pipeline without rewriting those clients for Kinesis. It cannot establish the main condition: A vision team repeatedly reads millions of images from S3 during high-throughput distributed training and requires filesystem semantics with parallel read performance. The decisive evidence for this case is: Measure aggregate training-worker read throughput and FSx for Lustre repository import status.

C:

That diagnostic measures a different AWS ML behavior: A fraud team needs to replay an ordered stream of card authorization events for a new consumer without asking the card processor to send the original events again. It cannot establish the main condition: A vision team repeatedly reads millions of images from S3 during high-throughput distributed training and requires filesystem semantics with parallel read performance. The decisive evidence for this case is: Measure aggregate training-worker read throughput and FSx for Lustre repository import status.

AWS Certified Machine Learning Engineer - Associate MLA-C01 Practice Tests

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