Essential

Ready to master the DevOps stack? This track covers the fundamentals you need. From basic Linux commands and Git workflows to Docker containers, Kubernetes pods, and cloud infrastructure, each question builds and strengthens your knowledge for real-world DevOps work and interviews.

What You'll Master

100 questions strategically distributed across 5 essential Devops domains:

Linux 29 questions
AWS 10 questions
Kubernetes 15 questions
CI/CD 5 questions
Networking 9 questions

Pass Interviews At

Questions sourced from real interviews at top companies:

Google Google
Amazon Amazon
Microsoft Microsoft
Meta Meta
Netflix Netflix
Stripe Stripe
Uber Uber
Airbnb Airbnb
Accenture Accenture
Visa Visa
IBM IBM
Adobe Adobe
Tesla Tesla
+ 90 more

Questions in This Track

100 questions you'll work through:

1 Create AWS IAM Admin User with Group and Policy AWSCloud 2 Create IAM Role for EC2 with Full IAM Access AWSCloud 3 Create a Hello World Lambda Function AWSCloud 4 Launch an EC2 Web Server Instance AWSCloud 5 Design Egress Only VPC with NAT AWSCloud 6 Audit and Enforce Least-Privilege IAM Permissions AWSCloud 7 Create Route 53 Hosted Zone and DNS Records AWSCloud 8 Create Route 53 Health Checks AWSCloud 9 Build a Serverless API with Lambda, API Gateway, and DynamoDB AWSCloud 10 Deploy an Internal Web App with VPC, EC2, ALB, and Route 53 AWSCloud 11 Managing High I/O Processes Linux 12 Analyzing Log Partition Usage Linux 13 Using Unmounted Partitions Linux 14 Tracing Log File Writes Linux 15 Port Conflict Resolution Linux 16 Diagnose Nginx CPU Bottleneck Linux 17 Debug SSH Lockout Linux 18 Monitoring Process Ownership Linux 19 Rapid Disk Growth on /var Linux 20 Detect Memory Leak by Monitoring RSS Linux 21 Fix Inode Exhaustion Issue Linux 22 Fix HTTPS Certificate Error Linux 23 Real-Time Log Timestamping Linux 24 Manage Service Failure Recovery Linux 25 Nginx Rate Limit Calculation Linux 26 Update Cloud Configs Linux 27 Automated Archive and Retention Linux 28 Trace Process Service Ownership Linux 29 Handling Large Log Archives Linux 30 Upload-Safe File Partitioning Linux 31 Fix Port Exhaustion for High-Speed Scraper Linux 32 Validating Network Routes LinuxNetworking 33 Validating DNS Consistency LinuxNetworking 34 Network Packet Loss Diagnosis LinuxNetworking 35 Network Port Service Cleanup LinuxNetworking 36 Temporary Route Configuration LinuxNetworking 37 Inspecting HTTP Traffic Flow LinuxNetworking 38 Network Socket Usage Analysis LinuxNetworking 39 Forward Traffic Between Ports LinuxNetworking 40 Crashing Misconfigured Pod Kubernetes 41 Image Pull BackOff and Secrets Kubernetes 42 CronJob Schedule Misconfiguration Kubernetes 43 Traffic Splitting with Native Kubernetes Kubernetes 44 ConfigMap Reload with Sidecar Kubernetes 45 Implement StatefulSet with Stable DNS Kubernetes 46 StorageClass and PVC Expansion Kubernetes 47 OOMKilled Pod Analysis & Fix Kubernetes 48 Secure Internal Service Communication Kubernetes 49 CRD Schema Validation Kubernetes 50 Dynamic Volume Expansion Kubernetes 51 Custom Resource Definition Setup Kubernetes 52 Create Namespace Kubernetes 53 Pod with Readiness Probe Kubernetes 54 Pod Viewer Access Kubernetes 55 Insecure Container with Root User Docker 56 Macvlan Network Configuration Fix DockerNetworking 57 Container CPU Limit Configuration Docker 58 Memory Limit and OOM Killer Docker 59 Graceful Shutdown with SIGTERM Handling Docker 60 Log Rotation Size Limit Configuration Docker 61 Docker Multi-Architecture Image Docker 62 Docker Binary Architecture Docker 63 Docker Storage Driver Performance Docker 64 Docker Volume Cross-Platform Consistency Docker 65 Optimize Dockerfile Docker 66 Rebase Feature Branch onto Correct Base Git 67 Restore File to Previous Version Git 68 Convert Remote from HTTPS to SSH Git 69 Rebase Feature Branch Git 70 Stash Work, Fix Bug, Restore and Update Git 71 Remove Last Commit and Discard Changes Git 72 Shallow Clone Limited to Latest Commit Git 73 Checkout Single File from Another Branch Git 74 Remove File from Entire Git History Git 75 Merge Repositories Preserving Both Histories Git 76 Fix Repository with Unrelated Histories Git 77 Stage Only Specific Files Git 78 Undo Commits but Keep Changes Git 79 Cherry-Pick Specific Commit Git 80 Recover Lost Commits from Detached HEAD Git 81 Docker Image Tagging with Commit SHA CI/CD 82 Matrix Build Strategy CI/CD 83 Multi-Job Workflow with Artifact Handoff CI/CD 84 Path-Based Workflow Execution CI/CD 85 Automated Rollback on Deployment Failure with Values File Restoration CI/CD 86 Two Sum ProgrammingArrays 87 Valid Palindrome ProgrammingTwo Pointers 88 Best Time to Buy and Sell Stock ProgrammingArrays 89 Valid Parentheses ProgrammingStacks 90 Binary Search ProgrammingArrays 91 Group Anagrams ProgrammingArrays 92 Top K Frequent Elements ProgrammingArrays 93 Product of Array Except Self ProgrammingArrays 94 Valid Sudoku ProgrammingArrays 95 Longest Consecutive Sequence ProgrammingArrays 96 Two Sum II - Input Array Is Sorted ProgrammingArrays 97 Container With Most Water ProgrammingArrays 98 Search a 2D Matrix ProgrammingArrays 99 Contains Duplicate ProgrammingArrays 100 Valid Anagram ProgrammingHash Tables
MASTER TRACK
Questions
100 Essential
Time to Complete
5-9 Weeks
Price
Free
Topics Covered
5 Core Areas

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