Section 7 EC2 Instance Storage

Question 1

EBS volumes are locked to an AZ true or false?

Answer 1

True

Question 2

When an EC2 instance is terminated which EBS volume by default is deleted?

Answer 2

Root volume

Question 3

Can snapshots be copied across AZ and Regions? True or False?

Answer 3

True

Question 4

With EBS snapshots, what storage tier should you use to take advantage of cheaper storage options?

Answer 4

Archive Tier

Question 5

How long does a restore of an ebs snapshot take from the archive tier?

Answer 5

24-72 hours

Question 6

What feature of ebs snapshot should you use to mitigate accidental deletion?

Answer 6

Recycle Bin

Question 7

What is the retention period of ebs snapshots in the recycle bin?

Answer 7

1 day - 1 year

Question 8

What ebs snapshot restore feature should you use for no latency

Answer 8

Fast snapshot restore

Question 9

Between EC2 instance store and EBS what is the better option for long term storage

Answer 9

EBS

Question 10

Between EC2 instance store and EBS volumes what is the better option for faster performance?

Answer 10

instance store

Question 11

For EBS Volume types what option is best for general purpose that balances price and performance for a variety of workloads

Answer 11

gp2/gp3

Question 12

For EBS Volume types what option is best for high performance volumes for mission critical low latency or high throughput workloads?

Answer 12

io1/io2 block express

Question 13

For EBS Volume types what option is best for low cost, frequently accessed throughput intensive workloads?

Answer 13

st1

Question 14

For EBS Volume types what option is best for lowest cost and less frequently accessed workloads

Answer 14

sc1

Question 15

For ec2 instances what volume types can only be used as boot volumes?

Answer 15

gp2/gp3 and io1/io2

Question 16

gp2 and gp3 volume size range

Answer 16

1gb-16tb

Question 17

gp3 baseline IOPS

Answer 17

3000

Question 18

gp3 baseline throughput

Answer 18

125 mib/s

Question 19

gp2 baseline IOPS

Answer 19

burst to 3000

Question 20

gp2 max iops

Answer 20

16000

Question 21

in gp2 volumes, are volume size and iops linked?

Answer 21

True

Question 22

io1 has what volume size range

Answer 22

4gb-16tb

Question 23

max iops for io1

Answer 23

64000 for Nitro instances and 32000 for others

Question 24

io2 has what volume size range

Answer 24

4gb-64tb

Question 25

max iops for io2

Answer 25

256,000 with a IOPS:GB ratio of 1,000:1

Question 26

can st1 or sc1 be used as boot volumes?

Answer 26

No

Question 27

st1 and sc1 volume size range

Answer 27

125gb to 16tb

Question 28

This type of volume is great for big data, data warehouses and log processing

Answer 28

st1

Question 29

ST1 max throughput

Answer 29

500mb/s

Question 30

ST1 max iops

Answer 30

500

Question 31

How many EC2 instances can EBS multi attach support at one time?

Answer 31

16

Question 32

EBS encryption uses what type of key

Answer 32

KMS(AES-256)

Question 33

EFS is compatible only with which type of AMI?

Answer 33

Linux

Question 34

EFS performance modes

Answer 34

General purpose and Max I/O

Question 35

EFS throughput modes

Answer 35

Bursting Provisioned Elastic

Question 36

EFS throughput mode for unpredictable workloads

Answer 36

Elastic

Question 37

EFS storage tiers

Answer 37

Standard Infrequent access Archive