ISTM 310 MIDTERM QUESTIONS AND ANSWERS

What are the 7 layers of the OSI model? - Answer-1. Physical 2. Data Link 3. Network 4. Transport 5. Session 6. Presentation 7. Application What is layer one of the OSI model? - Answer-Physical What is layer two of the OSI model? - Answer-Data Link What is layer three of the OSI model? - Answer-Network What is layer four of the OSI model? - Answer-Transport What is layer five of the OSI model? - Answer-Session What is layer six of the OSI model? - Answer-Presentation What is layer seven of the OSI model? - Answer-Application What are the three types of hardware you need to know? - Answer-1. Routers 2. Switches 3. Hub What layer do Routers belong to? - Answer-Layer 3: Network What layer do Switches belong to? - Answer-Layer 2: Data Link What layer do Hubs belong to? - Answer-Layer 1: Physical What address does the Router use? - Answer-IP Address What address do switches use? - Answer-MAC Address What address does the Data Link layer use? - Answer-MAC Address What address does the Network Layer use? - Answer-IP Address What address do Hubs use? - Answer-None Layer 3 Protocol Units - Answer-Packets