Network Storage Flashcards
What is AWS Backup?
AWS Backup is a fully managed data-protection (backup/restore) service. The product is capable of consolidating management by being configured across multiple accounts and multiple regions.
AWS Backup supports a wide range of AWS products.
What are key concepts of AWS Backup?
Backup Plans — Determine the frequency, window, lifecycle, vault, region copy, and other settings for backups.
Resources — What resources are backed up.
Vaults — The backup destination (container).
Vault Lock — An optional feature that can be helpful in giving additional security and control over backup vaults. When a lock is active, the vault configuration cannot be altered or deleted by a customer, account/data owner, or AWS.
On-Demand — Backups can be created manually if/when necessary.
PITR — For some resources, AWS Backup supports continuous backups and point-in-time recovery (PITR).
What is EFS?
EFS is an AWS managed implementation of NFS, which allows for the creation of shared ‘file systems’ which can be mounted within multiple EC2 instances.
EFS can play an essential part in building scalable and resilient systems.
True/False. EFS is a public service. By default, it’s isolated to the VPC it’s provisioned into.
False. EFS is a PRIVATE service. By default, it’s isolated to the VPC it’s provisioned into.
True/False. EFS can be used by any OS.
False. EFS is for Linux only.
What are the performance modes of EFS?
EFS has two performance modes. General Purpose which is used in almost every case, and Max I/O for the rare cases where maximizing I/O is the highest priority (even if it may come at the cost of latency.
