Exam Tips¶
Final preparation tips for the MLA-C01 exam.
Time Management¶
- 170 minutes for 65 questions = ~2.5 minutes per question
- Flag difficult questions and return later
- Don't spend more than 4 minutes on any single question
- Reserve 15 minutes at the end for review
Question Strategy¶
Read Carefully¶
- Look for keywords: MOST, LEAST, BEST, MINIMUM, MAXIMUM
- Identify the specific requirement (cost, latency, security, etc.)
- Note any constraints mentioned
Elimination Process¶
- Eliminate obviously wrong answers
- Compare remaining options against requirements
- Choose the option that BEST fits ALL requirements
Common Traps¶
- Solutions that work but are overly complex
- Options that solve a different problem
- Services that exist but aren't best suited
Key Topics to Review¶
SageMaker (Heavily Tested)¶
- Training job configuration
- Endpoint types and selection criteria
- Built-in algorithms and use cases
- Pipelines for MLOps
- Model Monitor for drift detection
Bedrock¶
- When to use Bedrock vs SageMaker
- Knowledge Bases for RAG
- Guardrails for content filtering
- Fine-tuning capabilities
Data Preparation¶
- Glue components (Crawlers, Catalog, ETL)
- Feature Store (Online vs Offline)
- Data formats (Parquet, RecordIO)
- Kinesis for streaming
Security¶
- IAM roles for SageMaker
- KMS encryption
- VPC configuration
- Secrets Manager
Cost Optimization¶
- Spot Training
- Serverless endpoints
- Auto Scaling
- Instance selection
Common Question Patterns¶
"Which endpoint type..."¶
Consider:
- Latency requirements
- Payload size
- Traffic pattern
- Cost constraints
"Which service for data..."¶
Consider:
- Batch vs streaming
- Transformation complexity
- Storage requirements
- Query patterns
"How to reduce costs..."¶
Consider:
- Spot instances
- Serverless options
- Right-sizing
- Auto Scaling
"How to secure..."¶
Consider:
- Encryption (KMS)
- Access control (IAM)
- Network isolation (VPC)
- Audit logging (CloudTrail)
Last Day Checklist¶
Review¶
- All domain summaries
- Services comparison chart
- Instance type guide
- Practice exam mistakes
Don't Cram¶
- Get good sleep
- Eat a proper meal
- Arrive early
- Bring valid ID
During Exam¶
- Read all options before answering
- Flag uncertain questions
- Use all available time
- Trust your preparation
Key Formulas/Numbers¶
| Item | Value |
|---|---|
| Passing score | 720/1000 |
| Scored questions | 50 |
| Unscored questions | 15 |
| Real-time endpoint timeout | 60 seconds |
| Async endpoint timeout | 15 minutes |
| Real-time payload limit | 6 MB |
| Async payload limit | 1 GB |
| Spot training savings | Up to 90% |
Acronyms to Know¶
| Acronym | Meaning |
|---|---|
| HPO | Hyperparameter Optimization |
| AMT | Automatic Model Tuning |
| MME | Multi-Model Endpoint |
| RAG | Retrieval Augmented Generation |
| SHAP | SHapley Additive exPlanations |
| CI/CD | Continuous Integration/Deployment |
| IAM | Identity and Access Management |
| KMS | Key Management Service |
| VPC | Virtual Private Cloud |
| ECR | Elastic Container Registry |
Good Luck!¶
Trust your preparation. You've got this!