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Question
Computer Science
Posted 2 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 2 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.
Seattle: 15 hosts
Denver: 15 hosts
Phoenix: 100 hosts
Step 2: Calculate the subnet mask for each location.
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.
Phoenix: 199.40.254.0/25 (usable IP range: 199.40.254.1 - 199.40.254.126)
Seattle: 199.40.254.128/28 (usable IP range: 199.40.254.129 - 199.40.254.142)
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
199.40.254.129
.

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