Distributed systems

1. Database

1.1. SQL

1.2. PostgreSql / PhpMyAdmin

1.3. MLD

1.4. MCD

2. Network

2.1. TCP/IP

2.2. HTTP

2.3. WebSocket

3. Cloud computing

3.1. AWS

3.2. Cloud storage

4. Modeling UML

4.1. Use case diagram

4.2. Sequence diagram

4.3. Class diagram

4.4. State diagram

5. Programming

5.1. Object-oriented programming

5.2. Java

6. Security

6.1. Authentification

6.2. Authorization

6.3. Cryptography