CTO Data Strategy & Analytics 4

Question 1

Which of the following best describes a 'data product' in a modern data strategy?

Accepted Answer

A curated, reliable, discoverable dataset with defined SLAs owned by a domain team

Answer

A data product is treated like a software product: it has owners, SLAs, documentation, and consumers, ensuring it is trustworthy and reusable.

Question 2

A CTO needs to choose between a relational database and a graph database for a social network recommendation engine. The correct choice is:

Accepted Answer

Graph database, because it natively models entity relationships and traversal queries

Answer

Graph databases excel at multi-hop relationship traversal, making them ideal for recommendation engines that explore connections between entities.

Question 3

What is the 'data contract' concept gaining traction in modern data engineering?

Accepted Answer

A formal schema and quality agreement between data producers and consumers

Answer

Data contracts are machine-readable agreements defining schema, quality expectations, and SLAs between producers and consumers to prevent breaking changes.

Question 4

A CTO is asked to reduce analytics infrastructure costs by 40%. Which approach offers the highest impact without sacrificing capability?

Accepted Answer

Implementing query cost governance, tiered storage, and workload scheduling

Answer

Cost governance through query optimization, auto-scaling, tiered cold storage, and scheduled off-peak workloads typically delivers the largest cloud analytics savings.

Question 5

Which of the following is a leading indicator of poor data governance maturity in an organization?

Accepted Answer

Multiple teams report conflicting numbers for the same business metric

Answer

Conflicting metrics for the same KPI across teams is a classic symptom of absent or immature data governance, indicating no single source of truth.

(CTO) Certified Chief Technology Officer Practice Test

(CTO) Certified Chief Technology Officer Practice Test

CTO Data Strategy & Analytics 4