Topic 1 Question 127
2 つ選択A SysOps administrator is unable to launch Amazon EC2 instances into a VPC because there are no available private IPv4 addresses in the VPC.
Which combination of actions must the SysOps administrator take to launch the instances?
Associate a secondary IPv4 CIDR block with the VPC.
Associate a primary IPv6 CIDR block with the VPC.
Create a new subnet for the VPC.
Modify the CIDR block of the VPC.
Modify the CIDR block of the subnet that is associated with the instances.
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Ans: A&C Every time you run out of IP's in your subnet, create a SECONDARY CIDR in your VPC. That will create a second local route in your RT's. Now you have more IP's available where you can create subnets. Remember: you CANNOT modify the CIDR of a VPC or subnet. Ref. https://docs.aws.amazon.com/vpc/latest/userguide/configure-your-vpc.html#vpc-resize
👍 2Liongeek2022/11/17- 正解だと思う選択肢: AC
A, C looks right
👍 1marcelodba2022/11/27 - 正解だと思う選択肢: AC👍 1noahsark2023/02/01
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