EBS

Question 1

After you create the full copy snapshot, only the blocks on the device that have changed after your most recent snapshot are saved

Answer 1

Incremental backups

Question 2

Snapshots are saved to?

Answer 2

S3

Question 3

Begins as an exact replica of the original volume that was used to create the snapshot

Answer 3

Full Copy

Question 4

Used to move volumes between AZ, or regions

Answer 4

Snapshots

Question 5

If you create a new ebs volume from scratch do you get the performance immediately?

Answer 5

Yes

Question 6

If you create a new ebs volume from a snapshot do you get the performance immediately?

Answer 6

No, transfers gradually

Question 7

Feature to immediately restore data from snapshots

Answer 7

Fast Snapshot Restore (FSR)

Question 8

Does EBS charge for unused storage in snapshots? (only using 10gb out of 40gb)

Answer 8

No only charged for data used

Question 9

uses AWS KMS keys when creating encrypted volumes and snapshots

Answer 9

Encryption

Question 10

Can accounts be set to encrypt by default?

Answer 10

Yes, using default KMS key

Question 11

Each volume used 1 unique Data Encryption Key

Answer 11

true

Question 12

Taking snapshots of encrypted snapshots and future volumes using the same DEK

Answer 12

True

Question 13

logical networking component in a VPC that represents a virtual network card

Answer 13

Elastic network interfaces (ENI)

Question 14

Can you associate one Elastic IP address with each private IPv4 address

Answer 14

Yes

Question 15

Can you create another secondary ENI for an EC2 instance?

Answer 15

Yes

Question 16

Can you detach secondary ENI from EC2 Instances

Answer 16

Yes

Question 17

Does assigning Elastic IP cause the Ec2 instance to lose it’s public IPv4 address

Answer 17

Yes

Question 18

Does using secondary EMI’s with the associated MAC address for licensing allow you you move licensing between instances?

Answer 18

Yes

Question 19

Multiple ENI’s allow different security rules because different security groups can be attached to them

Answer 19

True

Question 20

Does the operating system every see the public IPv4 address?

Answer 20

No

Question 21

IPv4 public IP are dynamic which means that stopping and starting an instance will cause the IP to change

Answer 21

True

Question 22

Inside the VPC the public DNS resolves to the private IP

Answer 22

True