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AWS Solutions Architect > Section 7 EC2 Instance Storage > Flashcards

Section 7 EC2 Instance Storage Flashcards

1
Q

EBS volumes are locked to an AZ true or false?

A

True

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2
Q

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

A

Root volume

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3
Q

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

A

True

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4
Q

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

A

Archive Tier

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5
Q

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

A

24-72 hours

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6
Q

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

A

Recycle Bin

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7
Q

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

A

1 day - 1 year

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8
Q

What ebs snapshot restore feature should you use for no latency

A

Fast snapshot restore

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9
Q

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

A

EBS

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10
Q

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

A

instance store

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11
Q

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

A

gp2/gp3

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12
Q

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

A

io1/io2 block express

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13
Q

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

A

st1

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14
Q

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

A

sc1

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15
Q

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

A

gp2/gp3 and io1/io2

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16
Q

gp2 and gp3 volume size range

17
Q

gp3 baseline IOPS

18
Q

gp3 baseline throughput

19
Q

gp2 baseline IOPS

A

burst to 3000

20
Q

gp2 max iops

21
Q

in gp2 volumes, are volume size and iops linked?

22
Q

io1 has what volume size range

23
Q

max iops for io1

A

64000 for Nitro instances and 32000 for others

24
Q

io2 has what volume size range

25
Q

max iops for io2

A

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

26
Q

can st1 or sc1 be used as boot volumes?

27
Q

st1 and sc1 volume size range

A

125gb to 16tb

28
Q

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

29
Q

ST1 max throughput

30
Q

ST1 max iops

31
Q

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

32
Q

EBS encryption uses what type of key

A

KMS(AES-256)

33
Q

EFS is compatible only with which type of AMI?

34
Q

EFS performance modes

A

General purpose and Max I/O

35
Q

EFS throughput modes

A

Bursting
Provisioned
Elastic

36
Q

EFS throughput mode for unpredictable workloads

37
Q

EFS storage tiers

A

Standard
Infrequent access
Archive

AWS Solutions Architect (6 decks)

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