EC2 And Storage

Question 1

Cite 3 types of EC2 instances based on purpose.

Answer 1

General purpose, CPU optimized and memory optomized

Question 2

For how much time can I reserve a reserved EC2 instance?

Answer 2

One or three years, no in between

Question 3

What’s EBS stand for

Answer 3

Elastic Block Store

Question 4

When I create an EC2 instance what else is crested by default?

Answer 4

An EBS root store and an Elastic IP address.

Question 5

Give the types of EBS models you know.

Answer 5

Gp2, Gp3, io1, io2, HDD disks.

Question 6

An EBS store is linked to a particular AZ, true or false?

Answer 6

True

Question 7

An EBS volume can only be attached to one EC2 instance. True or false. Are there exceptions??

Answer 7

True. Yes, io1 and io2 has a multi attach option.

Question 9

What’s the storage type that has the max iops ? Do they have limitations.

Answer 9

Instance stores, they are physical disks attached to an EC2 instance, but they are ephemeral and content is lost upon stop.

Question 10

What’s EFS stands for?

Answer 10

Elastic File Store

Question 11

EFS works on Windows and Mac, true or false?

Answer 11

False, only linux, POSIX systems with NFS.

Question 12

Give differences between efs and ebs

Answer 12

EFS can be attached to multiple EC2 instances, and even in multiple AZ.

Question 13

EFS has multiple storage classes with different prices, give two.

Answer 13

Classic, Infrequent access (IA) and archive. Go play the service dude.

Question 14

What’s the max number of instances that an EBS io1 or 2 can connect to?

Answer 14

16, for EFS it’s at least 100