DIS Cloud Infrastructure 3

Question 1

What does 'RPO' stand for in cloud disaster recovery planning for imaging systems?

Accepted Answer

Recovery Point Objective

Answer

Recovery Point Objective defines the maximum acceptable amount of data loss measured in time, guiding backup frequency for imaging archives.

Question 2

A cloud auto-scaling group for an imaging rendering workload should scale based on which metric to best match demand?

Accepted Answer

CPU utilization or custom application metrics

Answer

CPU utilization or application-specific metrics like queue depth most accurately reflect rendering workload demand and trigger appropriate scaling.

Question 3

Which cloud database type is best suited for storing flexible, schema-less imaging metadata with varying attributes per image?

Accepted Answer

NoSQL document database

Answer

NoSQL document databases accommodate varying metadata schemas per document, making them ideal for heterogeneous imaging metadata.

Question 4

In cloud infrastructure for imaging, what is the role of an API gateway?

Accepted Answer

Manage, secure, and throttle API calls to backend imaging services

Answer

An API gateway acts as an entry point that handles authentication, rate limiting, and routing for all client requests to imaging backend services.

Question 5

When configuring VPC security groups for a cloud imaging server, what is the principle of least privilege applied as?

Accepted Answer

Opening only the specific ports required for imaging services

Answer

Least privilege means permitting only the minimum necessary ports and protocols, reducing the attack surface of the imaging server.

(DIS) Digital Imaging Specialist Certification Practice Test