SAE-C01 is the Alibaba exam Alibaba Cloud Certified Expert: Solutions Architect. Paid practice material for this exam is not available yet, but you can try its free sample questions.
Taken from the free sample set for SAE-C01.
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?
Elastic IP
NAT Gateway
VPN Gateway
Express Connect
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?
Deploy ECS instances across multiple Availability Zones.
Place Server Load Balancer in front of ECS instances.
Store application logs only on local disks.
Deploy a single ECS instance with higher specifications.
Disable health checks.
Correct answer: A, B
Multiple Availability Zones increase fault tolerance, and Server Load Balancer distributes traffic while detecting unhealthy instances.