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Oracle Cloud Infrastructure 2025 Architect Professional Sample Questions:

1. After deploying a load-balanced web front-end, you detect frequent SQL injection attempts. Which solution addresses this?

A) Add bastion hosts
B) Use IAM policies only
C) Apply NSGs on the load balancer VNIC
D) Configure WAF rules + use Logging Analytics for monitoring

2. Select all key elements of a defense-in-depth architecture in OCI.

A) VCN subnets per tier
B) Encrypt data at rest and in transit
C) Bastion host in public subnet
D) Use public endpoints for internal services

3. In a multi-tier VCN, what is the recommended way to limit inbound internet traffic to the database tier?

A) VPN only
B) Network Security Groups (NSGs)
C) Security lists
D) Public subnet ACLs

4. You need per-route rate limiting and authentication for functions behind the gateway. Choose approaches.

A) Configure API Gateway rate-limiting policies
B) Add custom authorizer functions for auth
C) Store tokens in function code
D) Handle auth in backend function only

5. To reduce database load, where should you integrate OCI Cache in a typical request flow?

A) Before database read, after service logic
B) After database call
C) In application health check logic
D) At database driver level

Solutions: