Slack Interview Questions (7+ Questions)

Learn how to automate continuous vulnerability scanning using Trivy and Bash scripting. This guide covers creating automated scan scripts, filtering severity levels, scheduling daily scans with cron, and generating timestamped reports, essential for maintaining security posture, detecting CVEs early, and implementing DevSecOps practices in production environments.

Selectively restore specific files to earlier commits without touching commit history or other files. Use git checkout -- or git restore --source= to fix buggy changes in single files, stage the restoration as a new commit, and preserve repository history. Essential for targeted bug fixes, partial rollbacks, and maintaining clean commit history when only specific files need correction.

Combine multiple related commits into one cohesive commit using interactive rebase. Squash 4 authentication commits into a single "Implement user authentication feature" commit, improve commit narrative clarity, and maintain clean history before pushing. Essential for atomic commits, feature completion, pull request quality, and maintaining logical commit grouping in repositories.

Kubernetes Deployment Service Load Balancing: 3-Replica web nginx apps Namespace. Scale and expose web deployment with 3 nginx replicas in apps namespace behind web-svc Service port 80 for automatic traffic distribution across all healthy pods. Kubernetes Services provide integrated round-robin load balancing to **web` pods matching the selector. Perfect for high availability web apps, horizontal scaling, zero-downtime traffic management, multi-replica deployments, and production workload distribution.

Kubernetes CRD Schema Validation & API Enforcement: widgets.mycompany.io. Hardening custom API extensions by implementing OpenAPI v3 schema validation. Challenge involves defining structural constraints within a CustomResourceDefinition to reject invalid objects at admission time-specifically enforcing required fields and data type boundaries (e.g., minimum integer values). Essential for building robust Operators, ensuring data integrity for custom controllers, and preventing garbage data from persisting in the cluster.

SELECT
user_id,
COUNT(message_id) AS message_count
FROM
messages
WHERE
EXTRACT(
YEAR
FROM
sent_date
) = 2022
AND EXTRACT(
MONTH
FROM
sent_date
) = 8
GROUP BY
user_id
ORDER BY
message_count DESC
LIMIT
2;

Google processes over 8.5 billion search queries daily and powers 92% of global search traffic. QA testing of Google Search APIs requires comprehensive validation of search queries, autocomplete suggestions, search analytics, and trending topics to ensure reliable information retrieval and seamless ...

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