Project Planning & Deployment Flashcards

In critical path analysis for a data lake implementation, what does 'total float' (slack) on an activity mean?

Answer: How long the activity can be delayed without delaying the project end date

Total float is how much an activity can slip without pushing out the project completion date.

A CDO's data quality program is behind schedule, and the sponsor approves adding contractors to critical-path tasks at extra cost. Which schedule compression technique is this?

Answer: Crashing

Crashing adds resources, at extra cost, to shorten critical-path activities.

Which item belongs in a data project's risk register rather than its issue log?

Answer: A possible delay if a key vendor API is deprecated next quarter

Risks are uncertain future events, while issues are problems that have already happened.

A company is choosing between building an in-house data catalog and buying a SaaS product. Which analysis best captures the full cost over five years?

Answer: Total cost of ownership (TCO)

TCO covers acquisition, implementation, operation, maintenance, staffing, and retirement costs over the asset's life.

Which deployment pattern runs two identical production environments and switches traffic from one to the other all at once, so rollback is fast?

Answer: Blue-green deployment

Blue-green deployment keeps a standby environment, so cutover and rollback are just a traffic switch.

In Scrum-based data product delivery, who prioritizes the product backlog?

Answer: Product owner

The product owner is accountable for ordering the backlog to maximize value.

A new master data management solution is live. What is the main purpose of the 'hypercare' period right after go-live?

Answer: Giving extra support so post-launch issues are found and fixed fast

Hypercare is an intensive support window after go-live that stabilizes the solution and resolves early issues quickly.