(Solved) : Cs 250 Midterm Review Questions 1 Characteristics Peer Peer Network 2 Functions Router 3 C Q40999858 . . .

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CS 250 Midterm Review Questions 1. What are the characteristics of a peer-to-peer network? 2. What are the functions of a rou41. Distinguish Half duplex and full duplex 42. What is contained in the header of a data-link frame? What is in the trailer?57. Refer to the exhibit below. The switches are in their default configuration. Host A needs to communicate with host D, butCS 250 Midterm Review Questions 1. What are the characteristics of a peer-to-peer network? 2. What are the functions of a router? 3. What criteria used to help select a network medium from various network media? 4. What are the functions of intermediate devices? and end devices? 5. Distinguish between Local area networks, intranetworks, extranetworks, and internetworks. 6. Which Internet connection options do not require that physical cables be run to the building? 7. Which Internet connection options require that physical cables be run to the building? 8. What type of network traffic requires QoS? 9. What is Bandwidth? 10. What is cloud computing? 11. What is a converged network? 12. A network administrator needs to keep the user ID, password, and session contents private when establishing remote CLI connectivity with a switch to manage it. Which access method should be chosen? 13. What is the difference between running config and startup-config? 14. Why is it important to configure a hostname on a device? 15. What does the service password-encryption command accomplish? 16. What information is stored in RAM on a Cisco device? 17. Which interface allows remote management of a Layer 2 switch? 18. Why would a Layer 2 switch need an IP address? 19. What command can be used on a Windows PC to see the IP configuration of that computer? 20. What is the purpose of DHCP? 21. What is the purpose of ping command? 22. What method can be used by two computers to ensure that packets are not dropped because too much data is being sent too quickly? 23. What is unicast? Multicast? and broadcast? 24. What is encapsulation? and decapsulation? 25. Identify given protocols as application, Transport, Network 26. What are the advantages of network devices using open standard protocols? 27. Which three layers of the OSI model are comparable in function to the application layer of the TCP/IP model? 28. At which layer of the OSI model would a logical address be added during encapsulation? 29. List the Protocol Data Units (PDUs) at five layers of TCP/IP model (Data, Segment, Packet, Frame, bits) 30. Which address does a NIC use to learn mac address of a device in a frame? Which address does it use to forward the frame? 31. What is the purpose of default gateway? 32. Distinguish between Bandwidth and Throughput. 33. Causes for signal distortion in Wireless signal. 34. Effect of twisting wires in to pairs in cables 35. What is one advantage of using fiber optic cabling rather than copper cabling? 36. Why are two strands of fiber used for a single fiber optic connection? 37. A network administrator is designing the layout of a new wireless network. Which three areas of concern should be accounted for when building a wireless network? 38. What are the services performed by the data link layer of the OSI model? 39. What is the difference between physical and logical topologies? 40. List basic physical topologies and extended topologies. 41. Distinguish Half duplex and full duplex 42. What is contained in the header of a data-link frame? What is in the trailer? 43. What is the function of the CRC value that is found in the FCS field of a frame? 44. What happens to runt frames received by a Cisco Ethernet switch? 45. What are the two sizes (minimum and maximum) of an Ethernet frame? 46. LLC sublayer is implemented in hardware or software? 47. MAC address size? Where is it implemented in the device? 48. Which destination address is used in an ARP request frame? 49. What addressing information is recorded by a switch to build its MAC address table? 50. Refer to the exhibit. The exhibit shows a small switched network and the contents of the MAC address table of the switch. PC1 has sent a frame addressed to PC3. What will the switch do with the frame? PCA 12-34-86-78-9A-BF MAC Address Table Port MAC Address .1 12-34-56-789A-BF 12-34-56-78-9A-BD 3 PC1 12-34-56-78-9A-BC PCS 12-34-56-78-4A-BE PC2 12-34-56-78-9A-BD 51. Distinguish between the switching techniques: a) fast-forward b) fragment-free c) store-and-forward 52. Difference between shared memory buffering and port-based memory buffering? 53. What is auto-MDIX? 54. When a device is sending data to another device on a remote network, the Ethernet frame is sent to the MAC address of 55. The ARP table in a switch maps which two types of address together? 56. Refer to the exhibit below. A switch with a default configuration connects four hosts. The ARP table for host A is shown. What happens when host A wants to send an IP packet to host D? Switch 10.55.5.11 10.55.5.8 10.55 5.9 10.55.5.10 ARP Table Host A Internet Address Physical Address Type 10.5559 A AAAAAAAAAAA dynamic 10.55.5.10 PB-BBBB 88 BB BB dynamic 57. Refer to the exhibit below. The switches are in their default configuration. Host A needs to communicate with host D, but host A does not have the MAC address for its default gateway, which network hosts will receive the ARP request sent by host A? R1 R2 Switch Switch 58. What is the aim of an ARP spoofing attack? Show transcribed image text CS 250 Midterm Review Questions 1. What are the characteristics of a peer-to-peer network? 2. What are the functions of a router? 3. What criteria used to help select a network medium from various network media? 4. What are the functions of intermediate devices? and end devices? 5. Distinguish between Local area networks, intranetworks, extranetworks, and internetworks. 6. Which Internet connection options do not require that physical cables be run to the building? 7. Which Internet connection options require that physical cables be run to the building? 8. What type of network traffic requires QoS? 9. What is Bandwidth? 10. What is cloud computing? 11. What is a converged network? 12. A network administrator needs to keep the user ID, password, and session contents private when establishing remote CLI connectivity with a switch to manage it. Which access method should be chosen? 13. What is the difference between running config and startup-config? 14. Why is it important to configure a hostname on a device? 15. What does the service password-encryption command accomplish? 16. What information is stored in RAM on a Cisco device? 17. Which interface allows remote management of a Layer 2 switch? 18. Why would a Layer 2 switch need an IP address? 19. What command can be used on a Windows PC to see the IP configuration of that computer? 20. What is the purpose of DHCP? 21. What is the purpose of ping command? 22. What method can be used by two computers to ensure that packets are not dropped because too much data is being sent too quickly? 23. What is unicast? Multicast? and broadcast? 24. What is encapsulation? and decapsulation? 25. Identify given protocols as application, Transport, Network 26. What are the advantages of network devices using open standard protocols? 27. Which three layers of the OSI model are comparable in function to the application layer of the TCP/IP model? 28. At which layer of the OSI model would a logical address be added during encapsulation? 29. List the Protocol Data Units (PDUs) at five layers of TCP/IP model (Data, Segment, Packet, Frame, bits) 30. Which address does a NIC use to learn mac address of a device in a frame? Which address does it use to forward the frame? 31. What is the purpose of default gateway? 32. Distinguish between Bandwidth and Throughput. 33. Causes for signal distortion in Wireless signal. 34. Effect of twisting wires in to pairs in cables 35. What is one advantage of using fiber optic cabling rather than copper cabling? 36. Why are two strands of fiber used for a single fiber optic connection? 37. A network administrator is designing the layout of a new wireless network. Which three areas of concern should be accounted for when building a wireless network? 38. What are the services performed by the data link layer of the OSI model? 39. What is the difference between physical and logical topologies? 40. List basic physical topologies and extended topologies.
41. Distinguish Half duplex and full duplex 42. What is contained in the header of a data-link frame? What is in the trailer? 43. What is the function of the CRC value that is found in the FCS field of a frame? 44. What happens to runt frames received by a Cisco Ethernet switch? 45. What are the two sizes (minimum and maximum) of an Ethernet frame? 46. LLC sublayer is implemented in hardware or software? 47. MAC address size? Where is it implemented in the device? 48. Which destination address is used in an ARP request frame? 49. What addressing information is recorded by a switch to build its MAC address table? 50. Refer to the exhibit. The exhibit shows a small switched network and the contents of the MAC address table of the switch. PC1 has sent a frame addressed to PC3. What will the switch do with the frame? PCA 12-34-86-78-9A-BF MAC Address Table Port MAC Address .1 12-34-56-789A-BF 12-34-56-78-9A-BD 3 PC1 12-34-56-78-9A-BC PCS 12-34-56-78-4A-BE PC2 12-34-56-78-9A-BD 51. Distinguish between the switching techniques: a) fast-forward b) fragment-free c) store-and-forward 52. Difference between shared memory buffering and port-based memory buffering? 53. What is auto-MDIX? 54. When a device is sending data to another device on a remote network, the Ethernet frame is sent to the MAC address of 55. The ARP table in a switch maps which two types of address together? 56. Refer to the exhibit below. A switch with a default configuration connects four hosts. The ARP table for host A is shown. What happens when host A wants to send an IP packet to host D? Switch 10.55.5.11 10.55.5.8 10.55 5.9 10.55.5.10 ARP Table Host A Internet Address Physical Address Type 10.5559 A AAAAAAAAAAA dynamic 10.55.5.10 PB-BBBB 88 BB BB dynamic
57. Refer to the exhibit below. The switches are in their default configuration. Host A needs to communicate with host D, but host A does not have the MAC address for its default gateway, which network hosts will receive the ARP request sent by host A? R1 R2 Switch Switch 58. What is the aim of an ARP spoofing attack?

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Answer to CS 250 Midterm Review Questions 1. What are the characteristics of a peer-to-peer network? 2. What are the functions of …

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