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4. At the Network Layer of the OSI Model, what type of address is used to...

4. At the Network Layer of the OSI Model, what type of address is used to identify the receiving host?

5. At the Data Link Layer of the OSI Model, what type of address is used to identify the receiving host?

6. A user complains that Apple Facetime drops her videoconference calls and she needs to reconnect. Which OSI Layer is responsible for not dropping a Facetime connection?

7. Which type of address is used on the Transport Layer of the OSI Model to identify the receiving application?

8. According to TIA/EIA recommendations, how many floors of the building could be connected to a single Layer-2 switch?

9. You need to put cabling for connecting two new computers in a room, which did not have any network infrastructure. Because of the purpose of the room, you cannot mount cables on the floor. The walls are also inappropriate. The only way is to put cables above the ceiling tile. However, the ceiling is full of fluorescent lamps which cannot be removed or deactivated. You are worrying about the disruption of network signals by these lamps. What kind of cabling will you propose to the management, and why?

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