CCNA 1: Module 2 Exam v.3.1

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devices
1. 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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2. 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

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3. 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

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4. 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

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5. 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

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6. 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

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

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

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

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10. 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.

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

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12. 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

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

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14. 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

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

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16. 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

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17. 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.

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