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Exam AWS Certified SysOps Administrator - Associate All Questions

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Exam AWS Certified SysOps Administrator - Associate topic 1 question 127 discussion

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? (Choose two.)

  • A. Associate a secondary IPv4 CIDR block with the VPC.
  • B. Associate a primary IPv6 CIDR block with the VPC.
  • C. Create a new subnet for the VPC.
  • D. Modify the CIDR block of the VPC.
  • E. Modify the CIDR block of the subnet that is associated with the instances.
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Suggested Answer: AC 🗳️

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Liongeek
Highly Voted 1 year, 5 months ago
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
upvoted 16 times
alexiscloud
5 months, 4 weeks ago
absolutely
upvoted 1 times
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noahsark
Most Recent 1 year, 2 months ago
Selected Answer: AC
https://aws.amazon.com/premiumsupport/knowledge-center/subnet-insufficient-ips/
upvoted 3 times
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marcelodba
1 year, 5 months ago
Selected Answer: AC
A, C looks right
upvoted 2 times
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