TCP and UDP reside at which layer of the OSI model?
1
2
3
4
Which layer of the OSI model provides an entry point for programs to access the network infrastructure?
Application
Transport
Network
Physical
You are connected to a server on the Internet and you click a link on the server and receive a time-out message. What layer could be the source of this message?
Applications
Which layer of the OSI model is responsible for code and character-set conversion as well as recognizing data formats?
Presentation
Session
At which layers of the OSI model do bridges, hubs, and routers primarily operate, respectively?
Physical, Physical, Data Link
Data Link, Data Link, Network
Data Link, Physical, Network
Physical, Data Link, Network
Which layer of the OSI model is responsible for converting data into signals appropriate for the transmission medium?
Data Link
Which Layer 1 devices can be used to enlarge the area covered by a single LAN segment? (Choose two.)
Firewall
NIC
Hub
Repeater
RJ-45 transceiver
Segmentation of a data stream happens at which layer of the OSI model?
Acknowledgments, sequencing, and flow control are characteristic of which OSI layer?
Layer 2
Layer 3
Layer 4
Layer 7
At which layer of the OSI model would you find IP?
Of the following, which is the highest layer in the OSI model?
Routers perform routing at which OSI layer?
Which of the following mnemonic devices can you use to remember the first letter of the name of each layer of the OSI model in the proper order?
All People Seem To Need Processed Data.
Always Should People Never Threaten Dog Police.
Please Do Not Throw Sausage Pizza Away.
All Day People Should Try New Professions.
