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.)
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.