Sia
Question
Computer Science
Posted 8 months ago
Denver
Seattle
15 Hosts
15 Hosts
Phoenix
100 Hosts
Assigned Network is 199.40.254.0/24
Using the network diagram and information given what is the first
usable host address for the Seattle LAN? Use VLSM to find the
answer.
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Answer from Sia
Posted 8 months ago
To find the first usable host address for the Seattle LAN using VLSM, we need to follow these steps:
Step 1: Determine the subnet requirements for each location.
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Seattle: 15 hosts
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Denver: 15 hosts
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Phoenix: 100 hosts
Step 2: Calculate the subnet mask for each location.
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For 15 hosts, we need at least 16 IP addresses (2^4 = 16). The subnet mask will be /28 (255.255.255.240)
▪
For 100 hosts, we need at least 128 IP addresses (2^7 = 128). The subnet mask will be /25 (255.255.255.128)
Step 3: Assign subnets to each location starting from the lowest address.
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Phoenix: 199.40.254.0/25 (usable IP range: 199.40.254.1 - 199.40.254.126)
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Seattle: 199.40.254.128/28 (usable IP range: 199.40.254.129 - 199.40.254.142)
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Denver: 199.40.254.144/28 (usable IP range: 199.40.254.145 - 199.40.254.158)
Step 4: Identify the first usable host address for the Seattle LAN.
▪
The first usable host address for the Seattle LAN is 199.40.254.129
Therefore, the first usable host address for the Seattle LAN is
.
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