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Questions and Answers
What is the primary function of the network layer in the OSI model?
What is the primary function of the network layer in the OSI model?
- Routing packets and determining the best path across a network (correct)
- Encrypting and decrypting data for secure transmission
- Establishing physical connections between devices
- Managing the flow control and error checking of data transmissions
What process is involved in encapsulating data from upper layers into network packets?
What process is involved in encapsulating data from upper layers into network packets?
- Framing
- Forwarding
- Routing
- Packetizing (correct)
Which of the following is NOT a service offered by the network layer?
Which of the following is NOT a service offered by the network layer?
- Encrypting data for secure transmission (correct)
- Packetizing data
- Routing packets
- Assigning physical addresses
What is the role of routers in the network layer?
What is the role of routers in the network layer?
What information is typically included in the header of a network layer packet?
What information is typically included in the header of a network layer packet?
Which layer in the OSI model is responsible for controlling traffic when subnets become overloaded?
Which layer in the OSI model is responsible for controlling traffic when subnets become overloaded?
What is the purpose of assigning physical addresses in the network layer?
What is the purpose of assigning physical addresses in the network layer?
How do routers handle the source and destination addresses in a network layer packet?
How do routers handle the source and destination addresses in a network layer packet?
What is the purpose of the routing function in the network layer?
What is the purpose of the routing function in the network layer?
Which of the following is NOT a service offered by the network layer protocol?
Which of the following is NOT a service offered by the network layer protocol?
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