OneLake and Apache Airflow Workspace Settings: 10 practice questions

Question 1 of 10

A team uses the Apache Airflow Starter Pool of a workspace. What happens to the runtime when nobody uses the Airflow environment?

1. AIt shuts down after 20 minutes of inactivity
2. BIt scales down to a Small node after 20 minutes
3. CIt stays on until an admin pauses it manually
4. DIt shuts down after 5 minutes of inactivity

Question 2 of 10

A workspace admin applies an immutability period to the OneLake diagnostic logs. Which statement is true after that?

1. AThe files stay locked after the period ends, until the lakehouse is deleted
2. BThe period can be made shorter later, but it can't be made longer
3. CThe period can't be changed, and files can't be deleted until it passes
4. DEach locked file adds an extra immutability charge to the capacity

Question 3 of 10

How many OneLake lifecycle management policies and rules can one workspace have?

1. AUp to 10 policies with one rule each
2. BOne policy with up to 10 rules
3. COne policy with up to 256 rules
4. DOne policy for each lakehouse, with up to 10 rules

Question 4 of 10

A lifecycle rule has two actions for the same files: `TierToCool` when `daysAfterModificationGreaterThan` is 30, and `TierToCold` when it is 90. A file was last modified 120 days ago and is still in the hot tier. What does the next policy run do with the file?

1. AIt moves the file to the cool tier first, and to cold in the next run
2. BIt moves the file to cool only, because the first action listed wins
3. CIt moves the file straight to the cold tier
4. DIt leaves the file in hot, because the two actions are in conflict

Question 5 of 10

OneLake diagnostics of the workspace Sales writes events to a lakehouse in the workspace Logs. Then Sales is moved to a different capacity, and Logs stays where it is. No new events arrive. What should the admin of Sales do?

1. AReset the immutability period of the workspace Logs
2. BTurn the toggle back on, to keep the same lakehouse
3. CWait up to one hour for the events to flow again
4. DSelect a new lakehouse within the new capacity

Question 6 of 10

A workspace has an Airflow custom pool named ProdPool. The workspace setting for customizing compute configurations for items is disabled. Which pool do the Airflow environments in the workspace use?

1. AThe Starter Pool, for all environments
2. BNo pool, so the environments can't start
3. CProdPool for production, the Starter Pool for the rest
4. DProdPool, for all environments

Question 7 of 10

The Files folder of the lakehouse Archive holds files that are used less and less. The admin must write one lifecycle rule: a file moves to the cool tier when nobody has read or written it for 30 days, and it goes back to the hot tier when it is read again. Which condition and actions does the rule need?

1. A`daysAfterCreationGreaterThan` with `TierToCool` and `enableAutoTierToHotFromCool`
2. B`daysAfterLastAccessTimeGreaterThan` with `TierToCool` and `enableAutoTierToHotFromCool`
3. C`daysAfterModificationGreaterThan` with `TierToCool` and `enableAutoTierToHotFromCool`
4. D`daysAfterLastAccessTimeGreaterThan` with `TierToCold` and `enableAutoTierToHotFromCool`

Question 8 of 10

A company sends the OneLake diagnostic events of the workspaces of one capacity to a lakehouse in a dedicated workspace named AuditLogs. A new workspace, Finance, is in the same capacity and uses workspace outbound access protection. Finance needs OneLake diagnostics too. Which lakehouse should the admin select for Finance?

1. AThe lakehouse in the workspace AuditLogs
2. BA lakehouse in a different capacity
3. CA lakehouse inside the workspace Finance itself
4. DA second lakehouse in AuditLogs

Question 9 of 10

A team runs complex production DAGs in Apache Airflow. The runtime must not shut down when it is idle. It needs capacity for six more workers, with no more nodes than needed. Which workspace configuration follows the node size guidance and meets these needs?

1. AA Custom Pool with Small nodes and two extra nodes
2. BThe Starter Pool with two extra nodes added to it
3. CA Custom Pool with Large nodes and six extra nodes
4. DA Custom Pool with Large nodes and two extra nodes

Question 10 of 10

Developers use the Airflow environment of a workspace a few times a day. After each long break they wait some minutes while the Starter Pool resumes. The team makes a Custom Pool the workspace default to avoid that wait. What does the Custom Pool change?

1. AThe runtime is available instantly when the pool is created
2. BResuming becomes instant, where the Starter Pool needs up to 5 minutes
3. CThe runtime stays on while idle, until someone pauses it manually
4. DThe pool still shuts down when idle, but after 60 minutes