Review Questions ( Network+ Chapter 2 )

Review Questions
1. Which layer of the OSI model ensures reliable, end-to-end communications?
A. Network
B. Transport
C. Session
D. Presentation

2. Which layer of the OSI model provides routing functionality?
A. Transport
B. Data Link
C. Physical
D. 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?
A. Physical
B. Transport
C. Data Link
D. 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?
A. 802.1
B. 802.2
C. 802.3
D. 802.5

5. Which one of the following devices will not propagate broadcasts from one of its interfaces to another?
A. Hub
B. Switch
C. Repeater
D. Router

6. You are installing a Windows XP–based TCP/IP network. You accidentally set workstation B to the same IP address as workstation A. Which workstation(s) will receive an error message?
A. Workstation A
B. Workstation B
C. Neither
D. Both

7. You are installing a Windows XP–based TCP/IP network. You accidentally set workstation B to the same IP address as workstation A. Which workstation(s) will have a valid IP address?
A. Workstation A
B. Workstation B
C. Neither
D. Both

8. Which device increases the number of collision domains while decreasing the average number of nodes per collision domain?
A. Hub
B. Transceiver
C. Switch
D. NIC

9. Which of the following protocols use a connectionless transport? (Choose all that apply.)
A. HTTP
B. TCP
C. TFTP
D. IP
E. NetBIOS

10. Which protocols use a connection-oriented transport?
A. UDP
B. NetBIOS
C. HTTP
D. TFTP

11. Which name resolution system is implemented with TCP/IP by default?
A. DNS
B. NDS
C. SND
D. WINS

12. Which OSI model layer has both a MAC sublayer and an LLC sublayer?
A. Physical
B. Transport
C. Network
D. Data Link

13. Which OSI model layer is responsible for establishing, maintaining, and breaking down dialog?
A. Application
B. Gateway
C. Session
D. Network

14. Which OSI layer is responsible for formatting data based on a standard syntax and for character- set conversion?
A. Transport
B. Network
C. Presentation
D. Session

15. Which OSI layer is responsible for building and tearing down packets?
A. Network
B. Transport
C. Data Link
D. Physical

16. The two halves of a MAC address are referred to as the 
A. TCP and IP
B. OUI and device ID
C. OUI and IP
D. Device ID and IP

17. Which of the following directory services are hierarchical in design? (Choose all that apply.)
A. Novell NetWare Bindery
B. Microsoft Windows AD
C. Linux password shadow file
D. NT domain

18. You are the administrator of a 100-node Ethernet network. Your users are complaining of slow network speeds. What could you replace your hub with to increase your network throughput?
A. Router
B. Bridge
C. Switch
D. NIC

19. At which OSI model layer do routers primarily operate?
A. Physical
B. Data Link
C. Transport
D. Network

20. Which of the following is a MAC address?
A. 199.165.217.45
B. 00076A:01A5BBA7FF60
C. 01:A5:BB:A7:FF:60

D. 311 S. Park St.