Course 10 - Networking Quiz 2

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1. What is the main function of the Transport layer in the OSI model?

Formatting data into packets
Layer 2 formats data into packets.
Regulating communication with respect to protocols and ports
Correct!
Routing data to different destinations
Layer 3 routes data.
Initiating and terminating active connections between devices (sessions)
Layer 5 handles sessions.

2. Which layers of the OSI model are equivalent to Layer 1 of the TCP/IP model?

Physical and Data Link
Correct!
Network and Transport
Layer 3 is responsible for routing data to different destinations, while Layer 4 regulates communication with respect to protocols and ports.
Presentation and Application
Layers 6 and 7 are responsible for data formatting and the final presentation of data in user applications, respectively.
Session and Application
Layer 5 manages sessions and Layer 7 deals with the final presentation of data in user applications.

3. A stateful firewall has the capability to make detailed analyses of packets, keeping track of additional information beyond safety, allowing for more advanced filtering compared to a stateless firewall.

True
Correct! A stateful firewall is more advanced than a stateless firewall. It can make detailed analyses of packets.
False
See true for explanation.

4. What is the main role of a proxy server in a network?

Formatting data into packets
The formatting of data into packets is a function performed by the Data Link layer (Layer 2) of the OSI model, not by a proxy server.
Routing data to different destinations
Routing data to different destinations is a responsibility of the Network layer (Layer 3) in the OSI model.
Analyzing packets during transit
Correct!
Initiating and terminating active connections between devices
The initiation and termination of active connections between devices (sessions) fall under the Session layer (Layer 5) in the OSI model.