C5-03-作为正确答案的频率排名
1-★★★★★-核心内容
资料口径：本模块以用户提供的 719 道 CLF-C02 题库与前序 C1/C2 项目资料为基础。题库的
correct_answer、社区投票与评论用于发现考点和争议，不自动等于当前 AWS 官方结论；本模块没有在生成过程中擅自用外部常识覆盖题库内容。凡现有项目已经明确标记为[UPDATED]、[LEGACY]、[CURRENT-OUT-OF-SCOPE]的内容，会继续保留这些状态提示。正式考试前，涉及当前产品状态和 Support 计划等时效信息仍应再对照 AWS 官方页面。
多选题按每个正确选项分别统计。注意：选项可能描述一个概念而没有明确写服务名，因此本表只统计可识别服务。
| 排名 | 服务 | 正确选项出现次数 | 主要学习章节 |
|---|---|---|---|
| 1 | AWS IAM | 38 | C2-08 |
| 2 | Amazon EC2 | 31 | C2-02 |
| 3 | Amazon S3 | 29 | C2-04 |
| 4 | Reserved Instances | 17 | C2-15 |
| 5 | Spot Instances | 13 | C2-15 |
| 6 | Amazon RDS | 13 | C2-05 |
| 7 | AWS Storage Gateway | 10 | C2-04 |
| 8 | AWS CloudFormation | 10 | C2-10 |
| 9 | AWS Direct Connect | 10 | C2-07 |
| 10 | AWS CloudTrail | 10 | C2-10 |
| 11 | Amazon DynamoDB | 9 | C2-05 |
| 12 | Security Group | 9 | C2-06 |
| 13 | AWS Artifact | 9 | C2-09 |
| 14 | AWS Snow Family | 8 | C2-14 |
| 15 | On-Demand Instances | 8 | C2-15 |
| 16 | AWS Budgets | 8 | C2-15 |
| 17 | AWS WAF | 8 | C2-09 |
| 18 | AWS Organizations | 8 | C2-10 |
| 19 | Amazon CloudFront | 8 | C2-07 |
| 20 | AWS Support | 8 | C2-15 |
| 21 | AWS Cost Explorer | 7 | C2-15 |
| 22 | Amazon VPC | 7 | C2-06 |
| 23 | MFA | 7 | C2-08 |
| 24 | AWS Lambda | 7 | C2-03 |
| 25 | Savings Plans | 7 | C2-15 |
| 26 | AWS Outposts | 7 | C2-14 |
| 27 | AWS IAM Identity Center | 7 | C2-08 |
| 28 | AWS Fargate | 6 | C2-03 |
| 29 | Amazon Q | 6 | C2-13 |
| 30 | Amazon QuickSight | 6 | C2-12 |
| 31 | AWS Elastic Beanstalk | 6 | C2-02 |
| 32 | Amazon CloudWatch | 6 | C2-10 |
| 33 | AWS Pricing Calculator | 6 | C2-15 |
| 34 | Network ACL | 6 | C2-06 |
| 35 | AWS Trusted Advisor | 6 | C2-10 |
| 36 | AWS Secrets Manager | 6 | C2-09 |
| 37 | AWS Global Accelerator | 6 | C2-07 |
| 38 | EC2 Auto Scaling | 6 | C2-02 |
| 39 | AWS Marketplace | 6 | C2-15 |
| 40 | Amazon Macie | 5 | C2-09 |
| 41 | Amazon Aurora | 5 | C2-05 |
| 42 | AWS Transit Gateway | 5 | C2-07 |
| 43 | IAM Role | 5 | C2-08 |
| 44 | AWS Application Discovery Service | 5 | C2-14 |
| 45 | Amazon Route 53 | 5 | C2-07 |
| 46 | AWS Shield | 5 | C2-09 |
| 47 | Amazon Inspector | 4 | C2-09 |
| 48 | AWS Compute Optimizer | 4 | C2-10 |
| 49 | Amazon Athena | 4 | C2-12 |
| 50 | Amazon FSx | 4 | C2-04 |
| 51 | Amazon Cognito | 4 | C2-08 |
| 52 | Migration Evaluator | 4 | C2-14 |
| 53 | AWS DMS | 4 | C2-14 |
| 54 | Amazon Neptune | 4 | C2-05 |
| 55 | Elastic Load Balancing | 4 | C2-02 |
| 56 | AWS Service Catalog | 3 | C2-10 |
| 57 | AWS Glue | 3 | C2-12 |
| 58 | Amazon SNS | 3 | C2-11 |
| 59 | AWS KMS | 3 | C2-09 |
| 60 | Amazon SQS | 3 | C2-11 |
| 61 | Amazon Redshift | 3 | C2-12 |
| 62 | AWS Health | 3 | C2-10 |
| 63 | AWS Config | 3 | C2-10 |
| 64 | AWS DataSync | 3 | C2-14 |
| 65 | Internet Gateway | 3 | C2-06 |
| 66 | Amazon Connect | 3 | C2-13 |
| 67 | Amazon Rekognition | 3 | C2-13 |
| 68 | AWS Security Hub | 2 | C2-09 |
| 69 | Amazon EBS | 2 | C2-04 |
| 70 | AWS Systems Manager | 2 | C2-10 |
| 71 | AWS CAF | 2 | C2-16 |
| 72 | AWS Site-to-Site VPN | 2 | C2-07 |
| 73 | IAM Policy | 2 | C2-08 |
| 74 | Amazon Kendra | 2 | C2-13 |
| 75 | Amazon Polly | 2 | C2-13 |
| 76 | Amazon Lightsail | 2 | C2-02 |
| 77 | Amazon SageMaker AI | 2 | C2-13 |
| 78 | AWS Migration Hub | 2 | C2-14 |
| 79 | AWS Backup | 2 | C2-04 |
| 80 | AWS CodeDeploy | 2 | C2-11 |
| 81 | Amazon EFS | 2 | C2-04 |
| 82 | Amazon GuardDuty | 2 | C2-09 |
| 83 | AWS Application Migration Service | 2 | C2-14 |
| 84 | AMI | 1 | C2-02 |
| 85 | Amazon Personalize | 1 | C2-13 |
| 86 | AWS Step Functions | 1 | C2-11 |
| 87 | NAT Gateway | 1 | C2-06 |
| 88 | AWS Cost and Usage Report | 1 | C2-15 |
| 89 | AWS Batch | 1 | C2-02 |
| 90 | EC2 Instance Store | 1 | C2-04 |
| 91 | VPC Peering | 1 | C2-06 |
| 92 | Amazon Comprehend | 1 | C2-13 |
| 93 | Dedicated Hosts | 1 | C2-15 |
| 94 | Amazon Detective | 1 | C2-09 |
| 95 | AWS SCT | 1 | C2-14 |
| 96 | Amazon ECS | 1 | C2-03 |
| 97 | Amazon EventBridge | 1 | C2-11 |
| 98 | AWS Control Tower | 1 | C2-10 |
| 99 | Amazon Lex | 1 | C2-13 |
| 100 | Amazon Transcribe | 1 | C2-13 |
| 101 | VPC Endpoint | 1 | C2-06 |
| 102 | AWS PrivateLink | 1 | C2-07 |