1. Indexing advanced

    Prices change continuously based on demand and dates. Search must filter and sort by price over millions of listings. How?

    2 min answer airbnbsearchprecomputationpricing
  2. Influence Without Authority advanced Multiple choice

    A written standard says every new service must emit structured logs with eight required fields. Twenty-six teams ship roughly 30 new services a year and about 45% comply. Which change most reduces the annual cost of this standard?

    3 min answer standardsgovernanceenforcementinfluence
  3. Influence Without Authority advanced

    After a full review the CTO chooses an approach you argued against. You believe it will cause serious problems in eighteen months. What do you do?

    2 min answer meta-skillsinfluencedisagreementprofessionalism
  4. Influence Without Authority advanced

    An architect has no authority over the teams whose systems they are responsible for. What actually produces influence, and what destroys it?

    2 min answer influencecredibilityarchitectureleadership
  5. Influence Without Authority advanced

    An architect must change how several teams build without the authority to direct them. What works?

    2 min answer influenceadoptionpaved-roadevidence
  6. Influence Without Authority advanced

    An architect must get several teams to adopt a shared approach and has no authority over any of them. What actually works?

    2 min answer hasurainfluenceadoptionpaved-road
  7. Influence Without Authority advanced

    How would you change the technical direction of a team that does not report to you and disagrees with you?

    2 min answer influencecredibilitycoalitionsinterests
  8. Infrastructure as Code intermediate

    A platform manages infrastructure with code, but engineers make emergency console changes during incidents that are never reflected back. What problems does this drift cause, and how should it be handled without blocking incident response?

    2 min answer iacdriftincident-responsegitops
  9. Infrastructure as Code intermediate

    During an incident an engineer makes a manual change in the cloud console. It resolves the issue. What should happen next and what should have prevented it?

    2 min answer iacdriftincidentprocess
  10. Infrastructure as Code intermediate

    Half your production changes are made through the console during incidents. The IaC repository no longer matches reality. What do you do?

    2 min answer iacdriftgovernancebreak-glass
  11. Infrastructure as Code intermediate

    Infrastructure is defined as code, but production has drifted from the definitions through manual incident fixes. How should drift be handled, and what is wrong with simply enforcing the code?

    2 min answer renderiacdriftgitops
  12. Ingestion Patterns advanced Multiple choice

    A connector extracts a SaaS object by paging with offset and a limit of 500 under a modified-at filter. Every nightly run loads exactly 10000 rows and finishes green. Reconciliation shows 61000 matching records at source. The API returns HTTP 200 with an empty page at offset 10000 and support confirms an undocumented deep-paging cap. Which change actually closes the gap?

    3 min answer connectorspaginationsilent-failurewatermarks