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CCNA OSI and TCP
OSI model, TCP model, and how they relate
Question | Answer |
---|---|
This layer deals with representation, encoding and dialog control issues. All these issues are combined together and form a single layer in the TCP/IP model whereas three distinctive layers are defined in the OSI model. | Application - TCP |
TCP Model - What three layers in the OSI does the Application layer map to? | Application, Presentation, Session |
What layer in the OSI does the Host-to-host layer map to in TCP model? | Transport |
The Internet/Internetwork maps to ______ layer in the OSI. | Network |
The OSI layers data link and physical map to what layer of the TCP model? | Network Interface |
What are the TCP/IP Model layers from bottom up? | 1. Network Interface 2. Internetwork 3. Host-to-host (Transport) 4. Application |
In TCP/IP Model, this layer is where telnet, FTP, DNS, and RIP are used. | Application (Layer 4) |
This layer uses IPSEC/IP. | Internetwork (Layer 2) |
In TCP/IP, what is layer three? | Transport or Host-to-Host |
What is layer 1 in the TCP/IP model? | Link/Network Interface |
What two layers in the OSI are mapped to the network interface layer in the TCP/IP? | Physical, Data Link |
Name each layer in the OSI from 7 to 1. | 7. Application 6. Presentation 5. Session 4. Transport 3. Network 2. Data Link 1. Physical |
What are the three methods used to control data flow at layer 4 (OSI)? | 1. Flow Control 2. Windowing 3. Acknowledgment |
The transport layer includes several protocols, and the most widely know are _____ and _____. | TCP and UDP. |
Frame are converted into bits at this layer (OSI). | Physical |
Segments, packets, and frames correspond to what three OSI layers? | transport, network, data link |