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Bộ môn Điện tử -Viễn thông- Kỹ Thuật Cao Thắng----- Các câu hỏi này trích từ bộ đề thi CCNA của Cisco CÁC CÂU HỎI (IP - SUBNET) 1. You are a network technician at TestKing. TestKing has a larger 172.12.0.0 network that you want to divide into subnets. You want each subnet to support 459 hosts. You also want to provide the maximum number of subnets. Which network mask should you use? A. 255.255.0.0. B. 255.255.128.0. C. 255.255.224.0. D. 255.255.254.0. 2. You are a network administrator at TestKing. You must configure a new subnetwork at the TestKing branch office in Berlin. You have been provided with the subnet mask of 255.255.255.224. You want to assign IP addresses to hosts on the subnet. Which of the following IP addresses would you use? (Choose 3.) A. 16.23.118.63 B. 87.45.16.159 C. 92.11.178.93 D. 134.178.18.56 E. 192.168.16.87 F. 217.168.166.192 3. You are a network technician at TestKing. You have subnetted the 210.106.14.0 network with a /24 mask. Your supervisor asks you how many usable subnetworks and usable host addresses per subnet this would make provision for. What would your response be? A. 1 network with 254 hosts B. 4 networks with 128 hosts C. 2 networks with 24 hosts D. 6 networks with 64 hosts E. 8 networks with 36 hosts 4. You have subnetted the 213.105.72.0 network with a /28 mask. How many usable subnetworks and usable host addresses per subnet will be provided? A. 2 networks with 62 hosts B. 6 networks with 30 hosts C. 16 networks and 16 hosts D. 62 networks and 2 hosts E. 14 networks and 14 hosts 5. You are a network technician at TestKing, Inc. You have subnetted the 201.105.13.0 network with a /26 mask. How many usable subnetworks and usable host addresses per subnet will be provided? Bộ môn Điện tử -Viễn thông- Kỹ Thuật Cao Thắng----- Các câu hỏi này trích từ bộ đề thi CCNA của Cisco A. 4 networks with 64 hosts B. 64 networks and 4 hosts C. 2 networks and 62 hosts D. 62 networks and 2 hosts E. 6 network and 30 hosts 6. You are a network technician at TestKing, Inc. You are planning a network installation for the company. The design requires 100 separate subnetworks, resulting in the acquisition of a Class B network address. Which of the following subnet masks will provide the 100 subnetworks required, if 500 usable host addresses are required per subnet? A. 255.255.0.0 B. 255.255.224.0 C. 255.255.254.0 D. 255.255.255.0 E. 255.255.255.224 F. 255.255.255.254 7. You are a network technician at TestKing. TestKing has a class C network license. The company requires 5 usable subnets. Each subnet must accommodate at least 18 hosts. Which network mask should you use? A. 225.225.224.0. B. 225.225.240.0. C. 225.225.255.0. D. 255.255.255.224 E. 225.225.255.240 8. Which of the following addresses can be assigned to network hosts when given a subnet mask of 255.255.255.224? (Choose 3.) A. 15.234.118.63 B. 92.11.178.93 C. 134.178.18.56 D. 192.168.16.87 E. 201.45.116.159 F. 217.63.12.192 9. Which of the following addresses can be assigned to network hosts when given a subnet mask of 255.255.255.224? (Select three options.) A. 201.45.116.159 B. 134.178.18.62 C. 192.168.16.91 D. 92.11.178.93 E. 217.63.12. 31 F. 15.234.118.63 10. Which of the following addresses is representative of a unicast address? A. 172.31.128.255/18 B. 255.255.255.255 C. 192.168.24.59/30 Bộ môn Điện tử -Viễn thông- Kỹ Thuật Cao Thắng----- Các câu hỏi này trích từ bộ đề thi CCNA của Cisco D. FFFF.FFFF.FFFF E. 224.1.5.2 11. Consider the address 192.168.15.19/28, which of the following addresses are valid host addresses on this subnet? (Select two options.) A. 192.168.15.17 B. 192.168.15.0 C. 192.168.15.29 D. 192.168.15.16 E. 192.168.15.31 12. Your company has been assigned the following IP address for its network: 199.141.27.0 Of subnet mask of 255.255.255.240 was selected to make provision for the LAN design. Which of the following addresses can be assigned to hosts on the resulting subnets? (Select three options.) A. 199.141.27.126 B. 199.141.27.175 C. 199.141.27.33 D. 199.141.27.119 E. 199.141.27.208 F. 199.141.27.112 13. You work as a network administrator for TestKing.com. You must design an IP addressing scheme to support the company’s network that will provide for a minimum of 300 sub-networks and a maximum of 50 host addresses per subnet. Which of the following subnet masks will enable you to support an appropriate addressing scheme given the fact that you work with only one Class B address. (Select two options.) A. 255.255.255.0 B. 255.255.255.192 C. 255.255.248.0 D. 255.255.252.0 E. 255.255.255.128 F. 255.255.255.224 14. You are the network administrator at TestKing. Your need to design an IP addressing scheme to support a nationwide network. TestKing needs a minimum of 300 sub-networks, each of which must support a maximum of 50 host addresses. TestKing has been assigned a Class B address by its ISP. Which of the following subnet masks will support the appropriate addressing scheme? (Choose two.) A. 255.255.255.0 B. 255.255.255.128 C. 255.255.252.0 D. 255.255.255.224 E. 255.255.255.192 F. 255.255.248.0 15. You are the newly appointed TestKing trainee. Your supervisor tells you that the IP address for your workstation is 172.16.209.10/22. He wants to know what the subnetwork number of your workstation is. What will your reply be? A. 172.16.42.0 B. 172.16.107.0 C. 172.16.208.0 Bộ môn Điện tử -Viễn thông- Kỹ Thuật Cao Thắng----- Các câu hỏi này trích từ bộ đề thi CCNA của Cisco D. 172.16.252.0 E. 172.16.254.0 16. TestKing has been assigned the CIDR block of 115.64.4.0/22 for its public network. Which of the following IP addresses can TestKing use on its public network?(choose 3) A. 115.64.8.32 B. 115.64.7.64 C. 115.64.6.255 D. 115.64.3.255 E. 115.64.5.128 F. 115.64.12.128 17. As technician at TestKing.com you are required to provide the subnetwork address for a host with the IP address 201.100.5.68/28. A. 201.100.5.0 B. 201.100.5.32 C. 201.100.5.64 D. 201.100.5.65 E. 201.100.5.31 F. 201.100.5.1 18. As technician at TestKing.com you are required to provide the subnetwork number for a host with the IP address 172.16.210.0/22. A. 172.16.42.0 B. 172.16.107.0 C. 172.16.208.0 D. 172.16.252.0 E. 172.16.254.0 19. In the implementation of VLSM techniques on a network using a Single Class C IP address, which subnet mask is the most efficient for point-to-point serial link?) A. 255.255.255.0 B. 255.255.255.240 C. 255.255.255.248 D. 255.255.255.252 E. 255.255.255.254 20. Which network mask should you place on a Class C network to accommodate a user requirement of ten subnetworks? A. 255.255.255.192 B. 255.255.255.224 C. 255.255.255.240 D. 255.255.255.248 . configure a new subnetwork at the TestKing branch office in Berlin. You have been provided with the subnet mask of 255.255.255.224. You want to assign IP addresses. You have subnetted the 210.106.14.0 network with a /24 mask. Your supervisor asks you how many usable subnetworks and usable host addresses per subnet