Network+™: Study Guide, Fourth Edition

2.8. Review Questions

1. Which layer of the OSI model ensures reliable, end-to-end communications?

   1. Network

   2. Transport

   3. Session

   4. Presentation

2. Which layer of the OSI model provides routing functionality?

   1. Transport

   2. Data Link

   3. Physical

   4. Network

3. Which layer of the OSI model translates the data from upper-layer protocols into electrical signals and places them on the network media?

   1. Physical

   2. Transport

   3. Data Link

   4. Network

4. You are a consultant designing a network for a company with more than 1000 users. Which 802 standard would you implement to ensure that bandwidth would be sufficient and equal without bridging or additional segments?

   1. 802.1

   2. 802.2

   3. 802.3

   4. 802.5

5. Which one of the following devices will not propagate broadcasts from one of its interfaces to another?

   1. Hub

   2. Switch

   3. Repeater