CISCO CCNA 1 - Module 2 Exam Answers

1. Which layer of the OSI model provides network services to processes in electronic mail and file transfer programs?
• data link
• transport
• network
• application

2. Which of the following are data link layer encapsulation details? (Choose two.)
• A header and trailer are added.
• Data is converted into packets.
• Packets are packaged into frames.
• Frames are divided into segments.
• Packets are changed into bits for Internet travel.

3. Which three features apply to LAN connections? (Choose three.)
• operate using serial interfaces
• make network connection using a hub
• limited to operation over small geographic areas
• provide part-time connectivity to remote services
• typically operate under local administrative control
• provide lower bandwidth services compared to WANs

4. Which layer of the OSI model provides connectivity and path selection between two end systems where routing occurs?
• physical layer
• data link layer
• network layer
• transport layer

5. Which term describes the process of adding headers to data as it moves down OSI layers?
• division
• encoding
• separation
• segmentation
• encapsulation

6. Refer to the following list. Choose the correct order of data encapsulation when a device sends information.
1. segments
2. bits
3. packets
4. data
5. frames
• 1 - 3 - 5 - 4 - 2
• 2 - 1 - 3 - 5 - 4
• 2 - 4 - 3 - 5 - 1
• 4 - 3 - 1 - 2 - 5
• 4 - 1 - 3 - 5 - 2
• 3 - 5 - 1 - 2 - 4

7. The central hub has malfunctioned in the network. As a result, the entire network is down. Which type of physical network topology is implemented?
• bus
• star
• ring
• mesh

8. Which of the following are factors that determine throughput? (Choose two.)
• types of passwords used on servers
• type of Layer 3 protocol used
• network topology
• width of the network cable
• number of users on the network

9. Which best describes the function of the physical layer?
• Defines the electrical and functional specifications for the link between end systems.
• Provides reliable transit of data across a physical link.
• Provides connectivity and path selection between two end systems.
• Concerned with physical addressing, network topology and media access.

10. Which of the following are ways that bandwidth is commonly measured? (Choose three.)
• GHzps
• kbps
• Mbps
• Nbps
• MHzps
• Gbps

11. Which of the following are layers of the TCP/IP model? (Choose three.)
• Application
• Physical
• Internet
• Network Access
• Presentation

12. What is the term used to describe the transport layer protocol data unit?
• bits
• packets
• segments
• frames
• data streams

13. What makes it easier for different networking vendors to design software and hardware that will interoperate?
• OSI model
• proprietary designs
• IP addressing scheme
• standard logical topologies
• standard physical topologies

14.

Refer to the exhibit. Which column shows the correct sequence of OSI model layers?
• A
• B
• C
• D

15. What is one advantage of defining network communication by the seven layers of the OSI model?
• It increases the bandwidth of a network.
• It makes networking easier to learn and understand.
• It eliminates many protocol restrictions.
• It increases the throughput of a network.
• It reduces the need for testing network connectivity.

16. Which two features apply to WAN connections? (Choose two.)
• operate using serial interfaces
• make network connection using a hub
• limited to operation over small geographic areas
• typically operate under local administrative control
• provide lower bandwidth services compared to LANs

17. A switch has failed in the network. As a result, only one segment of the network is down. Which type of physical network topology is implemented?
• bus
• ring
• star
• extended star

18.



Refer to the exhibit. Identify the devices labeled A, B, C, and D in the network physical documentation.
• A=bridge, B=switch, C=router, D=hub
• A=bridge, B=hub, C=router, D=switch
• A=bridge, B=router, C=hub, D=switch
• A=hub, B=bridge, C=router, D=switch

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