ENetwork Chapter 2 - CCNA Exploration: Networks Fundamentals (Version 4.0)

1. Which statement correctly identify the role of intermediary devices in the network? (choose three)

• determine pathways for data
• realtime and retransmit data signals
• manage data flows
  

2. Select the statements that are correct concerning network protocols. (choose three)

• define the structure of layer specific PDU's
• outline the function necessary for communications between layers
• require layer dependent encapsulations

3. What are two functions of encapsulation? (Choose two)

• 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 capsulation?

• supports error detection

5. Which two layers of the OSI model have the same functions as the TCP/IP model network Acces 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

8. Refer to the exhibit. "Cell A" at IP address 10.0.0.34 has established an IP session with "IP Phone 1" at IP address 172.16.1.103. Based upon the graphic, which device type best describes the function or wireless device "Cell A"?

• an end device

9. Refer to the exhibit. Which three labels correctly identify the network types of the network segments that are shown? (Choose three)

• Network B -- WAN
• Network C -- LAN
• Network A -- LAN

10. Which three statements best describes a Local Area Network (LAN)? (Choose three)

• 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.

11.

• 
  

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