N008-OSI Model
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Question 1 of 20
1. Question
Match the PDU (Protocol Data Unit) that exist at the appropriate layer of the OSI model.
Sort elements
- Segment
- Packets
- Frames
- Bits
- Data
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Transport
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Network
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Data Link
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Physical
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Application, Presentation and Session
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Question 2 of 20
2. Question
Match the correct order for the OSI model to it’s appropriate layer?
Sort elements
- Physical
- Data Link
- Network
- Transport
- Session
- Presentation
- Application
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Layer 1
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Layer 2
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Layer 3
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Layer 4
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Layer 5
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Layer 6
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Layer 7
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Question 3 of 20
3. Question
Match the correct description to the appropriate layer of the OSI Model
Sort elements
- Protocols provide an interface for software programs on network hosts
- Transforms data between the format required for the network and the format required for the application. Example ASCII and Unicode
- Represents functions that administer the process of establishing a dialog, managing data transfer, and then ending (or tearing down) the session
- Defines services to segment, transfer, and reassemble the data for individual communications.
- Responsible for moving data around a network of networks, known as an internetwork or the Internet
- Describes methods for exchanging data frames over a common media.
- Responsible for the transmission and receipt of the signals that represent bits of data from one node to another node
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Application
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Presentation
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Session
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Transport
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Network
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Data Link
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Physical
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Question 4 of 20
4. Question
Which of the following is a routed protocol that functions at Layer 3 of the OSI model?
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Question 5 of 20
5. Question
Which of the following operates at OSI Layer 2 to forward traffic based on the MAC address?
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Question 6 of 20
6. Question
A user was unable to open up websites on the internet from a browser. The administrator determines that the workstation can ping it’s local gateway. but not the remote web server. At which of the following of the OSI models does the problem MOST likely exists?
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Question 7 of 20
7. Question
At which of the following layers of the OSI model do packets exists?
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Question 8 of 20
8. Question
A network technician is troubleshooting an issue routing TCP packets to an email server. At which of the following OSI layers is the issue occurring?
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Question 9 of 20
9. Question
A technician finds that the network card is no longer functioning. At which of the following OSI layers is the problem occurring?
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Question 10 of 20
10. Question
A MAC address is a part of which of the following OSI model layers?
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Question 11 of 20
11. Question
Which of the following layers of the OSI model is between the Data Link and Transport layers?
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Question 12 of 20
12. Question
Which of the following is the unit used to transfer information at Layer 2 of the OSI model?
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Question 13 of 20
13. Question
A user reports difficulties connecting a PC to a wired network. The PC connects to an IP phone, which is working correctly. A network technician can verify that other devices successfully connect to the phone. At which of the following layer of the OSI model is the problem MOST likely located?
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Question 14 of 20
14. Question
A network engineer wants to segment the network into multiple broadcast domains. Which of the following devices would allow for communication between the segments?
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Question 15 of 20
15. Question
A network technician receives a switch that is configured to support VLANs on it ports. At which of the following layers is this switch operating?
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Question 16 of 20
16. Question
According to the OSI model, at which of the following layers is data encapsulated into a packet?
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Question 17 of 20
17. Question
Which of the following devices would allow a network administrator to block an application at Layer 7 on the network?
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Question 18 of 20
18. Question
At which of the following layers of the OSI model would TCP/UDP operate?
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Question 19 of 20
19. Question
Under which of the following layer of the OSI model do ATM cells operate?
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Question 20 of 20
20. Question
Which of the following networking devices operates at Layer 1
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