Question 1
Question
TCP and UDP reside at which layer of the OSI model?
Question 2
Question
Which layer of the OSI model provides an entry point for programs to access the network infrastructure?
Answer
-
Application
-
Transport
-
Network
-
Physical
Question 3
Question
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?
Answer
-
Applications
-
Transport
-
Network
-
Physical
Question 4
Question
Which layer of the OSI model is responsible for code and character-set conversion as well as recognizing data formats?
Answer
-
Application
-
Presentation
-
Session
-
Network
Question 5
Question
At which layers of the OSI model do bridges, hubs, and routers primarily operate, respectively?
Answer
-
Physical, Physical, Data Link
-
Data Link, Data Link, Network
-
Data Link, Physical, Network
-
Physical, Data Link, Network
Question 6
Question
Which layer of the OSI model is responsible for converting data into signals appropriate for the transmission medium?
Answer
-
Application
-
Network
-
Data Link
-
Physical
Question 7
Question
Which Layer 1 devices can be used to enlarge the area covered by a single LAN segment?
(Choose two.)
Answer
-
Firewall
-
NIC
-
Hub
-
Repeater
-
RJ-45 transceiver
Question 8
Question
Segmentation of a data stream happens at which layer of the OSI model?
Answer
-
Physical
-
Data Link
-
Network
-
Transport
Question 9
Question
Acknowledgments, sequencing, and flow control are characteristic of which OSI layer?
Answer
-
Layer 2
-
Layer 3
-
Layer 4
-
Layer 7
Question 10
Question
At which layer of the OSI model would you find IP?
Answer
-
Transport
-
Network
-
Data Link
-
Physical
Question 11
Question
Of the following, which is the highest layer in the OSI model?
Answer
-
Transport
-
Session
-
Network
-
Presentation
Question 12
Question
Routers perform routing at which OSI layer?
Answer
-
Physical
-
Data Link
-
Network
-
Transport
-
Application
Question 13
Question
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?
Answer
-
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.