OSI and TCP/IP model layers, routing concepts, and network protocol theory from an intro computer networks course.
36 cards · basic cards · AI-written, checked twice. Edit anything.
- What is the primary function of Layer 1 (Physical) in the OSI model?
- Transmission of raw bits over physical media (cables, radio waves, fiber optics)
- What is the primary function of Layer 2 (Data Link) in the OSI model?
- Frame delivery between directly connected devices using MAC addresses
- What is the primary function of Layer 3 (Network) in the OSI model?
- Routing packets across networks using logical IP addresses
- What is the primary function of Layer 4 (Transport) in the OSI model?
- Reliable or unreliable delivery of data segments between applications using port numbers
- What is the primary function of Layer 5 (Session) in the OSI model?
- Establishment, maintenance, and termination of dialog between applications
- What is the primary function of Layer 6 (Presentation) in the OSI model?
- Translation, encryption, and compression of data into a format the application can understand
- What is the primary function of Layer 7 (Application) in the OSI model?
- Provides network services directly to end-user applications
- How many layers does the TCP/IP model have?
- Four layers: Link, Internet, Transport, and Application
- Which OSI layers does the TCP/IP Link layer correspond to?
- Layers 1 and 2 (Physical and Data Link)
- Which OSI layer does the TCP/IP Internet layer correspond to?
- Layer 3 (Network)
- What is a routing table?
- A database in a router that maps destination networks to the next hop or outgoing interface
- What is the purpose of a router?
- To forward packets between different networks based on destination IP addresses
- What is the difference between static routing and dynamic routing?
- Static routing uses manually configured routes; dynamic routing automatically adjusts routes based on network conditions
- What does IGP stand for and what is its scope?
- Interior Gateway Protocol; used for routing within a single autonomous system (AS)
- What does EGP stand for and what is its scope?
- Exterior Gateway Protocol; used for routing between autonomous systems