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AWS Architect study
AWS Architect certificate - associate
| Term | Definition |
|---|---|
| EC2 | Infrastructure as a service (IAAS). Virtual machine EC2 host. Regional service EC2 running in VPC in AWS subnet -> the availability zone Can have 2 types of storages.-> EBS (Elastic Block Store) |
| EC2 tag | Name/value |
| SSH | Security Group - control what traffic can come in (allow ip and port to come in) |
| monitoring | Monitor use cloud watch |
| AMI | Amazon Machine Image: contains all needed to create (OS, application server and application, etc) |
| EC2 storage | Instance Store Volume and EBS Volume |
| Security Group | Allow to filter the traffic to come in or leave the EC2 instance |
| EC2 types and sizes | what to consider when choose type: general purpose, comput optimized, memory optimized, storage optimized, accelerated computing |
| Instance store volume | Attache to EC2 instance - best performance (directly connecting to the host). if host failed/changed. it will be lost. |
| EBS | Elastic Block Store (need to pick an available zone. EBS need to be int he same availability zone as the EC2) EBS can be encrypted (everything stored is encrypted) type: sc1, st1, gp2, io1 measure: IOPS, throughput |
| IOP max | 64,000 for volume, 80,000 for EC2 instance |
| EBS Snapshots | point-in-time backup of an EBS volume stored in S3 - great way to move or copy instances between AZs |
| DLM | Data Lifecycel Manager - snapshots can be copied between regions, shared, and auto using DLM |
| security group | 5 sec. groups max. for the ENL (Elastic Network Interface) |
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Masternt
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