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1. Which statements correctly identify the role of intermediary devices in the network?
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2. Select the statements that are correct concerning network protocols.
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CCNA 1 Ch 2

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1. Which statements correctly identify the role of intermediary devices in the network? determine pathways for data, retime and retransmit data signals, manage data flows
2. Select the statements that are correct concerning network protocols. define the structure of layer specific PDU’s , outline the functions necessary for communications between layers , require layer dependent encapsulations
3. What are two functions of encapsulation? identifies pieces of data as part of the same communication, ensures that data pieces can be directed to the correct receiving end device
4. What is a primary function of the trailer information added by the data link layer encapsulation? support error detection
5. Which two layers of the OSI model have the same functions as the TCP/IP model Network Access Layer? (Choose two.) Physical Data Link
6. What is a PDU? a layer specific encapsulation
7. Which characteristic correctly refers to end devices in a network? originate data flow
10. Which three statements best describe a Local Area Network (LAN)? A LAN is usually in a single geographical area, The network is administered by a single organization, A LAN provides network services and access to applications for users within a common organization.
12. What is the primary purpose of Layer 4 port assignment? to identify the processes or services that are communicating within the end devices
13. What device is considered an intermediary device? file server IP phone laptop printer switch switch
16. Which layer encapsulates the segment into packets? physical data link network transport network
17. What can be identified by examining the network layer header? the destination device on the local media, the destination host address, the bits that will be transferred over the media, the source application or process creating the data the destination host address
19. During the encapsulation process, what occurs at the data link layer? No address is added. The logical address is added. The physical address is added. The process port number is added. The physical address is added.
20. What is the purpose of the TCP/IP Network Access layer? path determination and packet switching data presentation reliability, flow control, and error detection network media control the division of segments into packets network media control
21. What is the proper order of the layers of the OSI model from the highest layer to the lowest layer? Appliccation, Presentation, Session, Transport, Network, Data link, Physical
Created by: ChMaCaRoo
 

 



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