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Chabot College Chapter 2 Review Questions Semester III ELEC 99.09 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 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 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 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 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 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 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 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 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 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 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 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 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 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 11. How would each segment be considered in a network segmented by switches? • A. Network • B. Campus network • C. Collision domain • D. WAN 11. How would each segment be considered in a network segmented by switches? • A. Network • B. Campus network • C. Collision domain • D. WAN 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 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 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 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 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 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 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 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 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 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 17. How many collision domains would be created by a 16-port LAN switch? • A. One • B. Two • C. Fourteen • D. Sixteen 17. How many collision domains would be created by a 16-port LAN switch? • A. One • B. Two • C. Fourteen • D. Sixteen 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 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 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 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 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 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 The End