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Answer: Add a secondary IP range 10.1.0.0/20 to the subnet.
The correct answer is A: Add a secondary IP range 10.1.0.0/20 to the subnet. Adding a secondary IP range allows you to provide more IP addresses without changing the existing primary IP range, which would avoid disruptions or reconfiguration for your current virtual machines. Although changing the subnet IP range from 10.0.0.0/20 to 10.0.0.0/18 (Option B) would also technically add more IP addresses, it would involve modifying configurations that depend on the current IP range, which could be disruptive.
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Your custom mode VPC's subnet is experiencing a shortage of primary internal IP addresses. This subnet currently utilizes the IP range 10.0.0.0/20, predominantly for virtual machines within the project. To accommodate more IP addresses for these virtual machines, what action should you take?
A
Add a secondary IP range 10.1.0.0/20 to the subnet.
B
Change the subnet IP range from 10.0.0.0/20 to 10.0.0.0/18.
C
Change the subnet IP range from 10.0.0.0/20 to 10.0.0.0/22.
D
Convert the subnet IP range from IPv4 to IPv6.