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CCNA® Cisco Certified Network Associate: Study Guide, Seventh Edition by Todd Lammle

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Answers to Written Lab 1.2

Description Device or OSI Layer
This device sends and receives information about the Network layer. Router
This layer creates a virtual circuit before transmitting between two end stations. Transport
This device uses hardware addresses to filter a network. Bridge or switch
Ethernet is defined at these layers. Data Link and Physical
This layer supports flow control, sequencing, and acknowledgments. Transport
This device can measure the distance to a remote network. Router
Logical addressing is used at this layer. Network
Hardware addresses are defined at this layer. Data Link (MAC sublayer)
This device creates one big collision domain and one large broadcast domain. ...

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