65 câu hỏi0s
1
Web app cần shared file storage cho 20 Linux EC2 instances across 3 AZs. Solution?
2
Cần lưu user uploads với access pattern unknown (some hot, some cold). Storage class?
3
Multi-AZ RDS standby có serve read traffic không?
4
ALB serve HTTPS traffic. Cert phải ở:
5
EC2 trong private subnet cần access S3. Solution rẻ + bảo mật nhất?
6
DynamoDB table với traffic không dự đoán (0-10000 RCU). Capacity mode?
7
Application phải tolerate region failure với RPO < 1 second, RTO < 1 minute. Database?
8
DDoS protection cho web app trên CloudFront. Free options bao gồm?
9
File upload 200 TB từ on-prem lên S3, bandwidth 100 Mbps. Tool?
10
EC2 instances trong ASG cần access database password. Best practice?
11
Static website cần serve global users với low latency. Solution?
12
Cross-account S3 access từ Account B đến bucket trong Account A. Setup?
13
DR strategy với RTO < 30 phút và RPO < 5 phút, balance cost. Strategy?
14
Lambda function cần access RDS in private subnet. Đặt Lambda ở đâu?
15
WAF rate limiting 1000 requests / 5 phút per IP. Configure where?
16
EC2 m5.large 24/7 cho 3 năm, predictable. Pricing model?
17
Cần monitor S3 bucket cho PII data. Service?
18
Email notifications cho 10,000 users khi có new feature. Service?
19
Migrate Oracle on-prem to Aurora PostgreSQL. Tools?
20
Web tier cần tự động scale based on traffic. Trigger?
21
Storage cho compliance archive 7-year retention, rarely accessed. Class?
22
Decouple producer-consumer với 1-to-many fanout pattern. Services?
23
ALB với mixed targets: 50% to EC2, 50% to Lambda. Possible?
24
RDS encryption: encrypt existing unencrypted database. Steps?
25
Cần single static IP cho whitelisting external system. ELB type?
26
EFS access from on-prem servers. Setup?
27
Web app sessions cần shared across multiple EC2 instances. Storage?
28
Lambda cold start mitigation. Solution?
29
S3 bucket policy force all uploads to be encrypted. Condition?
30
Multi-region active-active database for global app, NoSQL. Service?
31
Need to track API calls for compliance audit. Service?
32
ECS cluster với mixed compute: critical workload + batch. Strategy?
33
S3 bucket trong us-east-1 cần replicate sang ap-southeast-1. Feature?
34
Microservice cần authenticate users từ mobile app. Service?
35
Encrypt EBS volumes by default for all new EBS in region. How?
36
Real-time stream of IoT data, 100K events/sec. Service?
37
S3 object MUST be retained 5 years immutable, even by root user. Setting?
38
Cron job daily at 2 AM run Lambda. Trigger?
39
Chọn nhiều đáp án
ALB và NLB: NLB ưu điểm gì? (Chọn 2)
40
RDS read replica có thể promote thành standalone DB?
41
VPC Peering có transitive routing không?
42
DR strategy với cost thấp nhất, RTO acceptable hours?
43
S3 download speed slow cho users xa region. Solution?
44
Storage cho HPC workload với hundreds GB/s throughput?
45
CloudFront origin failover. Trigger criteria default?
46
Identity Pool dùng để:
47
Encrypt S3 bucket: SSE-KMS với customer-managed key. Lý do?
48
DDoS attack scaling EC2 cost. Compensation?
49
Chọn nhiều đáp án
API Gateway HTTP API vs REST API. HTTP API thiếu features nào? (Chọn 2)
50
Compliance: data must not leave EU. Solution?
51
ElastiCache for storing session data. Cache style nào?
52
Multi-AZ deployment ALB. Cost cross-AZ data transfer?
53
Auto Scaling: scale based on application latency from external monitoring. How?
54
S3 access only from specific VPC Endpoint. Policy?
55
Lambda function execution: max memory + max timeout?
56
EC2 cần local NVMe SSD storage cho temp data. Storage option?
57
RDS database connection storm từ Lambda. Solution?
58
S3 bucket public access: BPA (Block Public Access) override what?
59
Container app cần auto-scale based on SQS queue depth. Setup?
60
Hybrid: on-prem app authenticate AWS without long-lived access keys. Solution?
61
CloudFront caching: invalidate khi update. Cost?
62
RDS in production: best backup strategy?
63
Web app HTTPS termination at ALB. Where to deploy cert?
64
Centralized logging multi-account. Setup?
65
Quick estimate cost cho new architecture before deploy. Tool?