300-420 · Question #398
300-420 Question #398: Real Exam Question with Answer & Explanation
The correct answer is B: Branch A - 2001:adb8:8086:265::800/117. This configuration provides the smallest possible subnets that support at least 1,000 hosts (/117 for Branch A), 256 hosts (/119 for Branch B), and 60 hosts (/121 for Branch C). It maximizes the number of subnets and minimizes wasted IP addresses.
Question
An architect is designing an IPv6 plan using the 2001:adb8:8086:265::/64 network for three branch locations. The design must maximize the number of subnets and minimize the number of wasted IP addresses. The plan must allocate a subnet to these branches: - Branch A, which supports 1,000 hosts - Branch B, which supports 256 hosts - Branch C, which supports 60 hosts Which configuration set meets these requirements?
Options
- ABranch A - 2001:adb8:8086:265::1:0/112
- BBranch A - 2001:adb8:8086:265::800/117
- CBranch A - 2001:adb8:8086:265::400/118
- DBranch A - 2001:adb8:8086:265::200/119
Explanation
This configuration provides the smallest possible subnets that support at least 1,000 hosts (/117 for Branch A), 256 hosts (/119 for Branch B), and 60 hosts (/121 for Branch C). It maximizes the number of subnets and minimizes wasted IP addresses.
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