This set of Data communication and Networking Multiple Choice Questions and Answers (MCQs) focuses on “OSI MODEL (Open system Interconnection Model)”.
1. An _______ standard that covers all aspects of network communications is the Open Systems Interconnection model
- ANSI
- EIA
- ISO
- OSI
2. OSI is an acronym for _______
- Open Systems Interconnection
- Open Sessions Interconnection
- Open Segmentation Implementation
- Open Systems Implementation
3. An ISO standard that covers all aspects of network communications is the _______ model.
- ANSI
- EIA
- ISO
- OSI
4. The OSI model is a _______ layer model for the design of network systems.
- two
- five
- seven
- eight
5. In the OSI model, headers are added to the data packet at every layer except _______
- layer 7
- layer 2
- layer 1
- a and c
6. In the OSI model, a trailer is added to the data packet at layer _______
- one
- two
- three
- four
7. In a peer-to-peer process, layer 4 on machine A communicates with layer _______ on machine B.
- 1
- 2
- 3
- 4
8. In _______ process, layer n on the sending machine communicates with layer n on the receiving machine.
- an interface-to-interface
- a peer-to-peer
- a layer-to-layer
- machine-to-machine
9. The OSI model defines layers 1, 2, and 3 as the _______ layers
- physical support
- network support
- user support
- transport
10. The OSI model defines layers 5, 6, and 7 as the _______ layers
- physical support
- network support
- user support
- transport
11. The OSI _______ layer is implemented mainly by software
- application
- session
- presentation
- all of the above