EC2 - Solutions Architect Associate Level

3월 31일

34분

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Placement groups : control over the EC2 instance placement strategy

• Cluster : low-latency group in a single AZ
• Spread : spread across different hardware (max 7 instances per group per AZ). critical applications
• Partition : spread across many different partitions. up to 7 partitions per AZ. scale to 100 of EC2 instances per group. run applications such as Hadoop, Cassandra, Kafka
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Elastic Network Interfaces (ENI)

• Logical component in a VPC that represents a virtual network card
• gives EC2 instances access to the network
• bound to a specific AZ. You can not attach an ENI to an EC2 instance in a different AZ.
• private IPv4

https://aws.amazon.com/jp/blogs/aws/new-elastic-network-interfaces-in-the-virtual-private-cloud/

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EC2 Hibernate

• the EC2 Instance Root Volume type must be an EBS volume
• the root EBS volume must be encrypted