65 câu hỏi0s
1
Application stack có 3-tier (web, app, DB) in 1 VPC. Cần isolate tiers cho security. Best practice?
2
Cost-effective database cho dev/test, auto-scale theo workload với minimum operational overhead?
3
EFS với data hot active, lưu trong vài tháng. Best class?
4
S3 bucket pull data từ S3 cross-region. Cost optimization?
5
Lambda function VPC config thiếu internet access cho 3rd party API call. Solution?
6
DynamoDB hot partition issue. Symptoms: throttling on 1 PK. Solution?
7
CloudFront serve videos. Restrict to paid subscribers. Method?
8
RDS read replica trong cùng region. Replication type?
9
Service centralized log analysis cho 5 AWS accounts. Setup?
10
Application Auto Scaling cho DynamoDB. Target metric?
11
Aurora cluster: scale read workload?
12
S3 bucket cần serve global users với lowest latency. Solution?
13
Chọn nhiều đáp án
Compute Savings Plans cover services nào? (Chọn 2)
14
WAF rule: block requests có SQL injection patterns. Easiest?
15
NLB serve TCP traffic on port 8080. Need source IP preservation. NLB hỗ trợ không?
16
Aurora Global Database promote secondary thành primary. RTO?
17
S3 bucket all uploads must use KMS encryption. Enforcement?
18
Identity Pool exchange social IdP token → AWS creds. App uses creds for:
19
DR pattern: keep DR region with smaller scaled-down version of production, ready to scale up. Strategy?
20
Auto Scaling: predict traffic 48 hours ahead based on past 14 days. Policy?
21
Chọn nhiều đáp án
Public IPv4 charge từ 2024. Cost reduction options? (Chọn 2)
22
Encrypt EBS volume by default for region. Configure where?
23
S3 Object Lock Compliance Mode. Special property:
24
WebSocket app cho chat. API Gateway type?
25
S3 bucket policy có condition
aws:SourceIp. Block traffic from outside corporate IP range. Effect?26
Migrate 10 TB on-prem files to S3. Internet bandwidth 1 Gbps. Tool?
27
DynamoDB cần caching cho hot reads. Service?
28
EventBridge schedule run Lambda mỗi giờ. Expression?
29
RDS DB encryption: enable sau khi tạo. Possible?
30
ASG min=2, desired=4, max=10. Scale-in policy giảm 1 instance. New desired?
31
Lambda timeout 15 phút. Workload cần 30 phút. Alternative?
32
EBS Volume modify từ gp2 sang gp3. Downtime?
33
Service deploy SSL certs MIỄN PHÍ cho ALB, CloudFront, API Gateway:
34
S3 versioning enabled. Delete object effect:
35
Centralized management for AWS WAF rules across multiple accounts:
36
Service cho event-driven cron jobs replace EC2 cron servers:
37
DynamoDB cần transactional ACID for 2 items atomic update. API?
38
Cognito Authorizer trên API Gateway validate gì?
39
Static IP cho EC2, persist khi stop/start. Use:
40
S3 bucket cross-region replication enable. Yêu cầu?
41
EBS snapshot lưu ở đâu?
42
Network ACL evaluation order:
43
HTTP API tốt hơn REST API về:
44
Bastion host vs Session Manager. Best practice?
45
S3 Standard-IA min duration:
46
Cost-optimize EC2 cho dev environment tắt nights/weekends:
47
Aurora Global Database secondary region. Replication lag so với primary:
48
RDS automated backup retention range:
49
SNS Subscription Email + SMS + Lambda + SQS. SNS Topic type?
50
Migration EC2 từ region X → region Y. Best approach?
51
S3 Intelligent-Tiering object < 128 KB. Tier?
52
Lambda invocation type cho S3 trigger:
53
Multi-tier app: web tier ↔ app tier ↔ DB tier. Best Security Group setup?
54
Spot Fleet allocation strategy với lowest interruption:
55
Direct Connect Gateway dùng để:
56
Aurora Backtrack max:
57
ECS Fargate vs EC2 launch type. Fargate ưu điểm?
58
Kinesis Data Streams shard limit:
59
S3 force HTTPS connection only. Bucket policy condition:
60
EBS encrypted snapshot share cross-account. Yêu cầu:
61
Application processes orders với strict ordering required. Queue type?
62
S3 Lifecycle: transition object đến Glacier Flexible. Min trước transition:
63
Chọn nhiều đáp án
Cost Anomaly Detection alert qua kênh nào? (Chọn 2)
64
Aurora replica failover priority. Configurable?
65
Final question: SAA-C03 passing score: