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ccna discovery 3 chapter 7 v4.0
Note: These answers will give you a 76.2%. Please correct any answers you think
are wrong
1.
Which two statements describe the function of time-division multiplexing? (Choose
two.)
Multiple data streams share one common channel.
Conversations that require extra bandwidth receive any unused time slices. ******
Time slots are utilized on a first-come, first-served basis. *****
Packets that are sent during transmission are reconstructed at the receiving end.
Priority can be dedicated to one data source.
2
At which two layers of the OSI model does a WAN operate? (Choose two.)
Layer 1 ****
Layer 2 ****
Layer 3
Layer 4
Layer 6
Layer 7
3
Which three statements describe functions of the Point-to-Point Protocol with regards
to the OSI model? (Choose three.)
operates at all layers of the OSI model
provides a mechanism to multiplex several network layer protocols ****
can be configured on both synchronous and asynchronous serial interfaces *****
uses Layer 3 of the OSI model to establish and maintain a session between devices
uses the data link layer to configure such options as error detection and compression
*****
uses network control protocols to test and maintain connectivity between devices
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