Okay, so I’m trying to do VLSM for this IP address and I wanted to know if I was doing it right. 172.145.22.20 /17 - This is my given address. 122 hosts- 172.145.0.0 /25 Binary: 11111111.11111111.11111111.10000000 96 hosts- 172.145.0.128 /25 Binary: 11111111.11111111.11111111.10000000 75 hosts- 172.145.1.0/25 Binary: 11111111.11111111.11111111.10000000 53 hosts- 172.145.1.64 /26 Binary: 11111111.11111111.11111111.11000000 22 hosts- 172.145.1.92/27 Binary: 11111111.11111111.11111111.11100000 2 hosts- 172.145.1.128/30 Binary: 11111111.11111111.11111111.11111000 2 hosts- 172.145.1.132/30 Binary: 11111111.11111111.11111111.11111000

Okay, so I’m trying to do VLSM for this IP address and I wanted to know if I was doing it right. 172.145.22.20 /17 - This is my given address. 122 hosts- 172.145.0.0 /25 Binary: 11111111.11111111.11111111.10000000 96 hosts- 172.145.0.128 /25 Binary: 11111111.11111111.11111111.10000000 75 hosts- 172.145.1.0/25 Binary: 11111111.11111111.11111111.10000000 53 hosts- 172.145.1.64 /26 Binary: 11111111.11111111.11111111.11000000 22 hosts- 172.145.1.92/27 Binary: 11111111.11111111.11111111.11100000 2 hosts- 172.145.1.128/30 Binary: 11111111.11111111.11111111.11111000 2 hosts- 172.145.1.132/30 Binary: 11111111.11111111.11111111.11111000

Comptia A+ Core 1 Exam: Guide To Computing Infrastructure (mindtap Course List)

10th Edition

ISBN:9780357108376

Author:Jean Andrews, Joy Dark, Jill West

Publisher:Jean Andrews, Joy Dark, Jill West

Chapter8: Network Infrastructure And Troubleshooting

Section: Chapter Questions

Problem 8TC

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Given the following network: 192.168.10.0/24. Subnet this network with a /25 subnet mask. Answer the following questions: What is the class of the 192.168.10.0/24? Using/25, how many networks are available? Using/25, how many valid hosts per network are available? Using/25, what is the subnet mask? Using/25, what is the broadcast address?
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Assume that you have two computers and a router (default gateway) that have the following TCP/IP configuration and that Computer A wants to send data to Computer E. Match the addresses that will be used in the IP packet and the ethernet frame sent from Computer A. Computer A IP address: 178.23.43.12 Netmask: 255.255.0.0 Default gateway address: 178.23.17.1 MAC Address: 34:2A:C6:C6:55:C3 Computer E IP address: 178.23.54.23 Netmask: 255.255.0.0 Default gateway address: 178.23.10.1 MAC Address: 34:2A:C6:76:3E:12 Default Gateway MAC Address: 65:D3:C9:11:C5:99 Items to Match: IP packet Source IP address: IP packet Destination IP address: Ethernet frame Source MAC address Ethernet frame Destination MAC address Possible Values: 178.23.17.1 178.23.10.1 178.23.43.12 178.23.54.23 34:2A:C6:C6:55:C3 65:D3:C9:11:C5:99 34:2A:C6:76:3E:12
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