Alibaba Cloud Certified Expert: Solutions Architect SAE-C01 Exam Questions
An enterprise wants ECS instances in a private subnet to download system updates without exposing the instances directly to the Internet.
Which Alibaba Cloud service should be used?
Correct Answer: B
A NAT Gateway enables outbound Internet access for private ECS instances while preventing inbound Internet connections.
A company wants to build a highly available web application on Alibaba Cloud.
Which TWO design choices improve availability?
Correct Answer: A, B
Multiple Availability Zones increase fault tolerance, and Server Load Balancer distributes traffic while detecting unhealthy instances.
A company stores millions of images that are rarely accessed but must remain available for compliance purposes while minimizing storage costs.
Which OSS storage class is the MOST suitable?
Correct Answer: C
OSS Archive provides low-cost long-term storage for infrequently accessed data while remaining retrievable when needed.
An architect wants to improve the security of an Internet-facing application running on Alibaba Cloud.
Which TWO services should be recommended?
Correct Answer: A, B
WAF protects against web attacks such as SQL injection and XSS, while Anti-DDoS Proxy mitigates large-scale DDoS attacks.
A company is deploying a mission-critical application across two Alibaba Cloud regions. The application requires automatic failover with minimal downtime if an entire region becomes unavailable.
Which solution best meets this requirement?
Correct Answer: B
GTM enables health checks and DNS-based failover between geographically distributed deployments, providing cross-region disaster recovery.