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start [2026/06/18 00:02] – phong2018start [2026/06/18 00:21] (current) – [OSI Model] phong2018
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 ====== Engineering Knowledge Tree ====== ====== Engineering Knowledge Tree ======
  
-This is a structured overview of core engineering knowledge areas. Each section can be expanded into detailed notes.+This is a structured engineering knowledge map with readable links.
  
 ----- -----
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 ==== Data Structures ==== ==== Data Structures ====
-  * Array +  * [[data_structures:array|Array]] 
-  * Linked List +  * [[data_structures:linked_list|Linked List]] 
-  * Stack +  * [[data_structures:stack|Stack]] 
-  * Queue +  * [[data_structures:queue|Queue]] 
-  * Hash Map / Hash Set +  * [[data_structures:hash_map|Hash Map / Hash Set]] 
-  * Tree +  * [[data_structures:tree|Tree]] 
-  * Graph+  * [[data_structures:graph|Graph]]
  
 ==== Algorithms ==== ==== Algorithms ====
-  * Sorting (QuickSort, MergeSort) +  * [[algorithms:sorting|Sorting Algorithms]] 
-  * Searching (Binary Search) +  * [[algorithms:searching|Searching Algorithms]] 
-  * Recursion +  * [[algorithms:recursion|Recursion]] 
-  * Dynamic Programming +  * [[algorithms:dynamic_programming|Dynamic Programming]] 
-  * Graph Algorithms (BFS, DFS, Dijkstra)+  * [[algorithms:graph_algorithms|Graph Algorithms (BFS, DFS, Dijkstra)]]
  
 ==== Complexity ==== ==== Complexity ====
-  * Big-O Notation +  * [[complexity:big_o_notation|Big-O Notation]] 
-  * Time vs Space Tradeoff+  * [[complexity:time_vs_space|Time vs Space Tradeoff]]
  
 ----- -----
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 ==== OSI Model ==== ==== OSI Model ====
-  * Layer 1: Physical +  * [[networking:osi_model|OSI Model (7 Layers)]]
-  * Layer 2: Data Link +
-  * Layer 3: Network +
-  * Layer 4: Transport +
-  * Layer 5: Session +
-  * Layer 6: Presentation +
-  * Layer 7: Application+
  
 ==== Core Protocols ==== ==== Core Protocols ====
-  * TCP vs UDP +  * [[networking:tcp_vs_udp|TCP vs UDP]] 
-  * HTTP / HTTPS +  * [[networking:http_https|HTTP / HTTPS]] 
-  * WebSocket +  * [[networking:websocket|WebSocket]] 
-  * DNS +  * [[networking:dns|DNS]] 
-  * TLS / SSL +  * [[networking:tls_ssl|TLS / SSL]] 
-  * REST vs gRPC+  * [[networking:rest_vs_grpc|REST vs gRPC]]
  
 ==== HTTP Versions ==== ==== HTTP Versions ====
-  * HTTP/1.1 +  * [[networking:http_1_1|HTTP/1.1]] 
-  * HTTP/2 +  * [[networking:http_2|HTTP/2]] 
-  * HTTP/3 (QUIC)+  * [[networking:http_3_quic|HTTP/3 (QUIC)]]
  
 ==== Concepts ==== ==== Concepts ====
-  * Keep-alive connection +  * [[networking:keep_alive|Keep-alive Connection]] 
-  * Handshake +  * [[networking:handshake|Handshake]] 
-  * Latency vs Throughput+  * [[networking:latency_vs_throughput|Latency vs Throughput]]
  
 ----- -----
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 ==== API Design ==== ==== API Design ====
-  * REST APIs +  * [[backend:rest_api|REST API]] 
-  * GraphQL+  * [[backend:graphql|GraphQL]]
  
 ==== Authentication ==== ==== Authentication ====
-  * Session-based auth +  * [[auth:session_based|Session-based Authentication]] 
-  * JWT (JSON Web Token) +  * [[auth:jwt|JWT (JSON Web Token)]] 
-  * OAuth2 +  * [[auth:oauth2|OAuth2]] 
-  * SSO+  * [[auth:sso|SSO (Single Sign-On)]]
  
 ==== Architecture Styles ==== ==== Architecture Styles ====
-  * Monolith +  * [[architecture:monolith|Monolith Architecture]] 
-  * Microservices +  * [[architecture:microservices|Microservices Architecture]] 
-  * Event-driven architecture+  * [[architecture:event_driven|Event-driven Architecture]]
  
 ==== Backend Patterns ==== ==== Backend Patterns ====
-  * MVC (Model View Controller) +  * [[patterns:mvc|MVC Pattern]] 
-  * CQRS (Command Query Responsibility Segregation) +  * [[patterns:cqrs|CQRS Pattern]] 
-  * Saga Pattern+  * [[patterns:saga|Saga Pattern]]
  
 ----- -----
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 ==== Core Principles ==== ==== Core Principles ====
-  * CAP Theorem +  * [[distributed_systems:cap_theorem|CAP Theorem]]
-    * Consistency +
-    * Availability +
-    * Partition Tolerance+
  
 ==== Communication ==== ==== Communication ====
-  * Synchronous systems +  * [[distributed_systems:synchronous_vs_asynchronous|Sync vs Async Communication]]
-  * Asynchronous systems+
  
 ==== Messaging Systems ==== ==== Messaging Systems ====
-  * Kafka +  * [[messaging:kafka|Kafka]] 
-  * RabbitMQ +  * [[messaging:rabbitmq|RabbitMQ]] 
-  * Redis Streams+  * [[messaging:redis_streams|Redis Streams]]
  
 ==== Kafka Concepts ==== ==== Kafka Concepts ====
-  * Topic +  * [[kafka:topic|Topic]] 
-  * Partition +  * [[kafka:partition|Partition]] 
-  * Offset +  * [[kafka:offset|Offset]] 
-  * Consumer Group+  * [[kafka:consumer_group|Consumer Group]]
  
 ==== System Concepts ==== ==== System Concepts ====
-  * Backpressure +  * [[distributed_systems:backpressure|Backpressure]] 
-  * Replication +  * [[distributed_systems:replication|Replication]] 
-  * Leader Election+  * [[distributed_systems:leader_election|Leader Election]]
  
 ----- -----
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 ===== 5. Databases ===== ===== 5. Databases =====
  
-==== SQL Databases ==== +==== SQL ==== 
-  * Tables, Indexes +  * [[database:sql_indexing|SQL Indexing]] 
-  * Transactions (ACID) +  * [[database:transactions_acid|ACID Transactions]] 
-  * Query Optimization+  * [[database:query_optimization|Query Optimization]]
  
-==== NoSQL Databases ==== +==== NoSQL ==== 
-  * Document (MongoDB) +  * [[database:mongodb|MongoDB]] 
-  * Key-Value (Redis) +  * [[database:redis|Redis]] 
-  * Column (Cassandra) +  * [[database:cassandra|Cassandra]] 
-  * Graph Databases+  * [[database:graph_db|Graph Database]]
  
 ==== Scaling ==== ==== Scaling ====
-  * Replication +  * [[database:replication|Replication]] 
-  * Sharding +  * [[database:sharding|Sharding]] 
-  * Read Replicas+  * [[database:read_replicas|Read Replicas]]
  
 ==== Caching ==== ==== Caching ====
-  * Cache Invalidation +  * [[cache:cache_invalidation|Cache Invalidation]] 
-  * TTL (Time To Live) +  * [[cache:ttl|TTL (Time To Live)]] 
-  * Cache-aside pattern+  * [[cache:cache_aside|Cache Aside Pattern]]
  
 ----- -----
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 ===== 6. DevOps & Infrastructure ===== ===== 6. DevOps & Infrastructure =====
  
-==== Operating System ==== +  * [[devops:linux_basics|Linux Basics]] 
-  * Linux basics +  * [[devops:docker|Docker]] 
-  * Process management +  * [[devops:kubernetes|Kubernetes]] 
-  * Networking commands +  * [[devops:ci_cd|CI/CD Pipeline]] 
- +  * [[devops:terraform|Terraform]] 
-==== Containers ==== +  * [[devops:cloudformation|CloudFormation]] 
-  * Docker +  * [[devops:observability|Observability]]
-  * Kubernetes +
- +
-==== CI/CD ==== +
-  * Build pipelines +
-  * Deployment automation +
- +
-==== Infrastructure as Code ==== +
-  * Terraform +
-  * CloudFormation +
- +
-==== Observability ==== +
-  * Logging +
-  * Metrics +
-  * Distributed Tracing (OpenTelemetry)+
  
 ----- -----
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 ===== 7. Cloud Platforms ===== ===== 7. Cloud Platforms =====
  
-==== Compute ==== +  * [[cloud:ec2|EC2 (Virtual Machines)]] 
-  * EC2 / Virtual Machines +  * [[cloud:lambda|AWS Lambda]] 
-  * Lambda / Serverless +  * [[cloud:s3|S3 Storage]] 
- +  * [[cloud:vpc|VPC (Virtual Private Cloud)]] 
-==== Storage ==== +  * [[cloud:load_balancer|Load Balancer]] 
-  * S3 / Object Storage +  * [[cloud:sqs|SQS Queue]] 
- +  * [[cloud:sns|SNS Notifications]] 
-==== Networking ==== +  * [[cloud:iam|IAM (Identity Access Management)]]
-  * VPC +
-  * Load Balancers +
- +
-==== Messaging ==== +
-  * SQS +
-  * SNS +
- +
-==== Security ==== +
-  * IAM +
-  * Security Groups+
  
 ----- -----
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 ===== 8. Software Architecture ===== ===== 8. Software Architecture =====
  
-==== Principles ==== +  * [[architecture:solid_principles|SOLID Principles]]
-  * SOLID Principles+
  
 ==== Design Patterns ==== ==== Design Patterns ====
-  * Factory +  * [[design_patterns:factory|Factory Pattern]] 
-  * Singleton +  * [[design_patterns:singleton|Singleton Pattern]] 
-  * Strategy +  * [[design_patterns:strategy|Strategy Pattern]] 
-  * Observer+  * [[design_patterns:observer|Observer Pattern]]
  
-==== System Design Topics ==== +==== System Design ==== 
-  * URL Shortener +  * [[system_design:url_shortener|URL Shortener System]] 
-  * Chat System +  * [[system_design:chat_system|Chat System]] 
-  * Payment System +  * [[system_design:payment_system|Payment System]] 
-  * Notification System +  * [[system_design:notification_system|Notification System]]
- +
-==== Scalability ==== +
-  * Vertical Scaling +
-  * Horizontal Scaling+
  
 ----- -----
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 ===== 9. Performance Engineering ===== ===== 9. Performance Engineering =====
  
-  * Caching strategies +  * [[performance:caching|Caching Strategies]] 
-  * Database optimization +  * [[performance:database_optimization|Database Optimization]] 
-  * Memory management +  * [[performance:memory_management|Memory Management]] 
-  * CPU vs I/O bottlenecks +  * [[performance:cpu_io_bottlenecks|CPU vs I/O Bottlenecks]] 
-  * Load testing +  * [[performance:load_testing|Load Testing]] 
-  * Profiling & performance tuning+  * [[performance:profiling|Profiling & Tuning]]
  
 ----- -----
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 ===== 10. Security ===== ===== 10. Security =====
  
-==== Cryptography ==== +  * [[security:encryption|Encryption]] 
-  * Symmetric encryption +  * [[security:hashing|Hashing]] 
-  * Asymmetric encryption +  * [[security:authentication_authorization|Authentication & Authorization]] 
-  * Hashing +  * [[security:owasp_top_10|OWASP Top 10]] 
- +  * [[security:api_security|API Security]] 
-==== Authentication & Authorization ==== +  * [[security:xss_csrf_sql_injection|XSS / CSRF / SQL Injection]]
-  * Identity verification +
-  * Access control +
- +
-==== Web Security ==== +
-  * OWASP Top 10 +
-  * API security +
-  * CSRF / XSS / SQL Injection+
  
 ----- -----
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 ===== 11. Frontend Engineering ===== ===== 11. Frontend Engineering =====
  
-  * HTML / CSS / JavaScript +  * [[frontend:html_css_js|HTML / CSS / JavaScript]] 
-  * TypeScript +  * [[frontend:typescript|TypeScript]] 
-  * React / Vue +  * [[frontend:react_vue|React / Vue]] 
-  * State Management +  * [[frontend:state_management|State Management]] 
-  * Browser Rendering Process +  * [[frontend:browser_rendering|Browser Rendering]] 
-  * Frontend Performance (LCP, FCP)+  * [[frontend:performance_lcp_fcp|Frontend Performance (LCP / FCP)]]
  
 ----- -----
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 ===== 12. Messaging & Event Systems ===== ===== 12. Messaging & Event Systems =====
  
-==== Kafka Deep Dive ==== +  * [[event_systems:kafka_deep_dive|Kafka Deep Dive]] 
-  * Partitioning strategy +  * [[event_systems:rabbitmq|RabbitMQ]] 
-  * Consumer groups +  * [[event_systems:redis_pubsub|Redis Pub/Sub]] 
-  * Offset management +  * [[event_systems:event_sourcing|Event Sourcing]] 
- +  * [[event_systems:eventual_consistency|Eventual Consistency]]
-==== RabbitMQ ==== +
-  * Exchanges +
-  * Queues +
-  * Routing keys +
- +
-==== Redis Messaging ==== +
-  * Pub/Sub +
-  * Streams +
- +
-==== Event Concepts ==== +
-  * Event sourcing +
-  * Eventual consistency+
  
 ----- -----
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 ===== 13. Real-world System Design ===== ===== 13. Real-world System Design =====
  
-  * E-commerce system +  * [[system_design:ecommerce|E-commerce System]] 
-  * Chat application +  * [[system_design:chat_app|Chat Application]] 
-  * Payment gateway +  * [[system_design:payment_gateway|Payment Gateway]] 
-  * Notification system +  * [[system_design:notification_system|Notification System]] 
-  * Logging pipeline+  * [[system_design:logging_pipeline|Logging Pipeline]]
  
 ----- -----
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 ===== 14. Engineering Mindset ===== ===== 14. Engineering Mindset =====
  
-  * Debugging skills +  * [[mindset:debugging|Debugging Skills]] 
-  * System thinking +  * [[mindset:system_thinking|System Thinking]] 
-  * Trade-off analysis +  * [[mindset:trade_off_analysis|Trade-off Analysis]] 
-  * Code reading ability +  * [[mindset:code_reading|Code Reading]] 
-  * Refactoring practices +  * [[mindset:refactoring|Refactoring]]
-  *  +
-====== Wiki.Quizz.vn ====== +
-2024 (c) Wiki.Quizz.vn Team +
-Wiki.Quizz.vn is developed and operated by a Vietnam-based development team. All rights reserved.+
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