2. Chabot College Chapter 2 Review Questions Semester IIIELEC 99.09 Semester III ELEC 99.09

3. 1. Which of the following broadcast methods does an Ethernet medium use to transmit and receive data to all nodes on the network? A. A packet B. A data frame C. A segment D. A byte at a time

4. 1. Which of the following broadcast methods does an Ethernet medium use to transmit and receive data to all nodes on the network? A. A packet B. A data frame C. A segment D. A byte at a time

5. 2. What is the minimum time it takes Ethernet to transmit 1 byte? 100 ns B. 800 ns C. 51,200 ns D. 800 microseconds

6. 2. What is the minimum time it takes Ethernet to transmit 1 byte? 100 ns B. 800 ns C. 51,200 ns D. 800 microseconds

7. 3. Characteristics of microsegmentation include which of the following? A. Dedicated paths between sender and receiver hosts B. Multiple traffic paths within the switch C. All traffic visible on network segment at once D. A and B

8. 3. Characteristics of microsegmentation include which of the following? A. Dedicated paths between sender and receiver hosts B. Multiple traffic paths within the switch C. All traffic visible on network segment at once D. A and B

9. 4. LAN switches are considered to be which of the following? A.Multiport repeaters operating at Layer 1 B. Multiport hubs operating at Layer 2 C.Multiport routers operating at Layer 3 D. Multiport bridges operating at Layer 2

10. 4. LAN switches are considered to be which of the following? A.Multiport repeaters operating at Layer 1 B. Multiport hubs operating at Layer 2 C.Multiport routers operating at Layer 3 D. Multiport bridges operating at Layer 2

11. 5. Asymmetric switching is optimized for which of the following? A. Client/Server network traffic where the "fast" switch port is connected to the server B. An even distribution of network traffic C. Switches without memory buffering D. A and B

12. 5. Asymmetric switching is optimized for which of the following? A. Client/Server network traffic where the "fast" switch port is connected to the server B. An even distribution of network traffic C. Switches without memory buffering D. A and B

13. 6. In _________ switching, the switch checks the destination address and immediately begins forwarding the frame, and in ________ switching, the switch receives the complete frame before forwarding it. A.Store-and-forward; symmetric B.Cut-through; store-and-forward C.Store-and-forward; cut-through D.Memory buffering; cut-through

14. 6. In _________ switching, the switch checks the destination address and immediately begins forwarding the frame, and in ________ switching, the switch receives the complete frame before forwarding it. A.Store-and-forward; symmetric B.Cut-through; store-and-forward C.Store-and-forward; cut-through D.Memory buffering; cut-through

15. 7. The Spanning-Tree Protocol allows which of the following? A.Routers to communicate link states B.Switches to communicate hop count C.Bridges to communicate Layer 3 information D.Redundant network paths without suffering the effects of loops in the network

16. 7. The Spanning-Tree Protocol allows which of the following? A.Routers to communicate link states B.Switches to communicate hop count C.Bridges to communicate Layer 3 information D.Redundant network paths without suffering the effects of loops in the network

17. 11. How would each segment be considered in a network segmented by switches? A.Network B.Campus network C.Collision domain D.WAN

18. 11. How would each segment be considered in a network segmented by switches? A.Network B.Campus network C.Collision domain D.WAN

19. 12. In a full duplex Ethernet switch. A.Collisions are virtually eliminated B.Two cable pairs and a switched connection between each node are used C.Connections between nodes are considered point-to-point D.All of the above

20. 12. In a full duplex Ethernet switch. A.Collisions are virtually eliminated B.Two cable pairs and a switched connection between each node are used C.Connections between nodes are considered point-to-point D.All of the above

21. 13. Congestion causes which of the following effects? A.Lower reliability and low traffic B.High rate of collisions C.Network unpredictability and high error rates D.Lower response times, longer file transfers, and network delays

22. 13. Congestion causes which of the following effects? A.Lower reliability and low traffic B.High rate of collisions C.Network unpredictability and high error rates D.Lower response times, longer file transfers, and network delays

23. 14. Host A transmits to another host, Host B. The communication is such that Host A stops sending information content packets and then Host B begins sending packets. Similarly, Host B stops when Host A starts transmitting again, Classify the transmission type as A.Full-duplex B.Half-duplex C.Simplex D.None of the above

24. 14. Host A transmits to another host, Host B. The communication is such that Host A stops sending information content packets and then Host B begins sending packets. Similarly, Host B stops when Host A starts transmitting again, Classify the transmission type as A.Full-duplex B.Half-duplex C.Simplex D.None of the above

25. 15. Which of the following statements concerning packet forwarding in a LAN is not true? A.Store-and-forward packet-switching technique is the one in which frames are completely processed before being forwarded out to the appropriate port B.Store-and-forward packet switching technique is slower than cut-through packet switching C.Cut-through packet switching is also known as on-the-fly packet switching D.Buffering is required in cut-through packet switching if the network connection or link is slow

26. 15. Which of the following statements concerning packet forwarding in a LAN is not true? A.Store-and-forward packet-switching technique is the one in which frames are completely processed before being forwarded out to the appropriate port B.Store-and-forward packet switching technique is slower than cut-through packet switching C.Cut-through packet switching is also known as on-the-fly packet switching D.Buffering is required in cut-through packet switching if the network connection or link is slow

27. 16. Which of the following is true for a LAN switch? A.Repairs network fragments known as microsegments B.They are very high-speed multiport bridges C.Higher latency is made up for by lower bandwidth D.Requires new network interface cards on attached hosts

28. 16. Which of the following is true for a LAN switch? A.Repairs network fragments known as microsegments B.They are very high-speed multiport bridges C.Higher latency is made up for by lower bandwidth D.Requires new network interface cards on attached hosts

29. 17. How many collision domains would be created by a 16-port LAN switch? A.One B.Two C.Fourteen D.Sixteen

30. 17. How many collision domains would be created by a 16-port LAN switch? A.One B.Two C.Fourteen D.Sixteen

31. 18. By creating a virtual circuit with LAN switching, what will result on the segment? A.Increased collisions B.Decreased available bandwidth C.Increased broadcasts D.Increased available bandwidth

32. 18. By creating a virtual circuit with LAN switching, what will result on the segment? A.Increased collisions B.Decreased available bandwidth C.Increased broadcasts D.Increased available bandwidth

33. 19. How do switches learn the addresses of devices that are attached to their ports? A. Switches get the tables from a router B. Switches read the source address of a packet entering through a port C. Switches exchange address tables with other switches D. Switches are not capable of building address tables

34. 19. How do switches learn the addresses of devices that are attached to their ports? A. Switches get the tables from a router B. Switches read the source address of a packet entering through a port C. Switches exchange address tables with other switches D. Switches are not capable of building address tables

35. 20. What is the purpose of symmetric switching? A. To provide switch connections on ports with the same bandwidths B. To make sure the network tables are symmetrical C. To provide switched connections on ports with different bandwidths D. Switches only provide asymmetrical switching

36. 20. What is the purpose of symmetric switching? A. To provide switch connections on ports with the same bandwidths B. To make sure the network tables are symmetrical C. To provide switched connections on ports with different bandwidths D. Switches only provide asymmetrical switching

37. The End