Refer to the exhibit.
The core routing switches will run OSPF. Which design provides the best failover and resiliency?
A.
One VLAN that extends across all the switch-to-switch links and a/24 subnet
B.
Two VLANs that extend all the switch-to-switch links and a/24 subnet for each VLAN
C.
A dedicated VLAN on each switch-to-switch link and a/30 subnet for each VLAN
Explanation:
Pretty sure the answer is C. The study guide recommends that you always divide OSPF into many areas with their own VLAN. But, not sure about /30 subnet here. Maybe there’s an answer missing?
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Seems that there’s an option missing maybe? It could not be C as the /30 subnet only has 2 IP’s to spare for the links and you need at least 3 for two of the switches.
I’d go with B if there’s only these three answers to select between.
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Sorry, C would be the correct answer as the VLANs are for each link and you only need two IPs, so /30 is enough.
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I like C as well
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Definitely C
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