A network switch is receiving frames from multiple devices on the same VLAN. The switch needs to determine which port to forward a frame to based on the destination MAC address. Which OSI layer is the switch operating at, and what information is it using to make this decision?

Transport layer, using the destination port number in the segment.

Physical layer, using the electrical signal strength to determine the destination port.

Data Link layer, using the destination MAC address in the frame header.

Network layer, using the destination IP address in the packet.

A user is accessing a web application that requires authentication. After logging in, the user navigates to different pages within the application without needing to re-authenticate. The application maintains the user's login state across multiple HTTP requests. Which OSI layer is responsible for managing this login session?

Application layer, because HTTP is an application protocol.

Session layer, because it establishes, maintains, and terminates sessions between applications.

Transport layer, because it manages the TCP connection.

Presentation layer, because it handles data formatting and encryption.

A network administrator is explaining the OSI model to a new hire. The administrator describes it as a conceptual framework that standardizes the functions of a networking system into seven distinct layers. Which of the following best describes the primary purpose of the OSI model?

To provide a standard for how data is physically transmitted over a network.

To replace the TCP/IP model as the standard for network communication.

To enable interoperability between different vendors' networking equipment and protocols.

To define the specific protocols used on the internet.

What is the main function of the Session layer?

Providing reliable end-to-end delivery

Establishing, managing, and terminating sessions between applications

Routing packets across networks

CompTIANetwork+

Domain 1Objective 1

OSI Model Layers N10-009 Practice Questions (Page 4)

Part of the Networking concepts domain, which makes up ~25% of our current practice bank. CompTIA does not publish an official question count, but from its 90-minute exam (~35–60 total, ~9–15 in this domain), expect 1–2 from this objective — we provide 33 practice questions to prepare you well beyond it. (estimate)

33questions here

7free pages

10concepts

Questions 16–20

16application · easy
A network switch is receiving frames from multiple devices on the same VLAN. The switch needs to determine which port to forward a frame to based on the destination MAC address. Which OSI layer is the switch operating at, and what information is it using to make this decision?
Select an answer first
17application · medium
A user is accessing a web application that requires authentication. After logging in, the user navigates to different pages within the application without needing to re-authenticate. The application maintains the user's login state across multiple HTTP requests. Which OSI layer is responsible for managing this login session?
Select an answer first
18foundation · easy
Which protocol operates at the Data Link layer?
Select an answer first
19application · easy
A network administrator is explaining the OSI model to a new hire. The administrator describes it as a conceptual framework that standardizes the functions of a networking system into seven distinct layers. Which of the following best describes the primary purpose of the OSI model?
Select an answer first
20foundation · easy
What is the main function of the Session layer?
Select an answer first

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OSI Model Layers N10-009 Practice Questions (Page 4)

Questions 16–20

A network switch is receiving frames from multiple devices on the same VLAN. The switch needs to determine which port to forward a frame to based on the destination MAC address. Which OSI layer is the switch operating at, and what information is it using to make this decision?

Which protocol operates at the Data Link layer?

A network administrator is explaining the OSI model to a new hire. The administrator describes it as a conceptual framework that standardizes the functions of a networking system into seven distinct layers. Which of the following best describes the primary purpose of the OSI model?

What is the main function of the Session layer?

Keep studying — Networking concepts