EC2

Question 1

root drive prequisites (3)

EC2 Hibernate

Answer 1

drive is EBS
encrypted
large enough to have free space for RAM dump

EC2 Hibernate

Question 2

Hibernate

EC2

Answer 2

Stops instance and dumps RAM to disk

EC2

Question 3

limitation

ENI

Answer 3

bound to 1 AZ

ENI

Question 4

interaction with instances

ENI

Answer 4

can be attached and detached on the fly

ENI

Question 5

key feature

ENI

Answer 5

can be created indepedently

ENI

Question 6

Attributes (4)

ENI

Answer 6

private IPv4 address
EIP or public IPv4 address
security groups
MAC addresses

ENI

Question 7

ENI

EC2

Answer 7

Elastic Network Interface
logical component that represents a vNIC

EC2

Question 8

load balancing

Auto Scaling Group

Answer 8

handled by ELB

Auto Scaling Group

Question 9

region redundancy

Auto Scaling Group

Answer 9

may use more than one AZ in a region

Auto Scaling Group

Question 10

how groups are monitored

Auto Scaling Group

Answer 10

health checks

Auto Scaling Group

Question 11

Config options (3)

Auto Scaling Group

Answer 11

• minimum
• maximum
• desired number of instances

Auto Scaling Group

Question 12

Auto Scaling Group

EC2

Answer 12

template that defines group config

EC2

Question 13

Benefits (2)

EIP

Answer 13

persists after hard restart
freely movable to other instance

EIP

Question 14

Assignment

EIP

Answer 14

Only to one instance at a time

EIP

Question 15

Elastic IP (EIP)

EC2

Answer 15

IP owned as long as it’s not deleted

EC2

Question 16

Instance IPv4 options (3)

EC2

Answer 16

Public IP
Private IP
Elastic IP

EC2

Question 17

Key pair

EC2

Answer 17

public key and private key used to access SSH (Linux) or Administrator password (Windows)

EC2

Question 18

Tag

EC2

Answer 18

key-value pair that assignes information to an instance

EC2

Question 19

Key features (3)

AMI

Answer 19

Customizable
sharable
available on the AMI Marketplace

AMI

Question 20

Amazon Machine Image (AMI)

EC2

Answer 20

template for an EC2 instance

EC2

Question 21

Elastic Block Store (EBS)

EC2

Answer 21

persistent storage that exists separate from the VM host

EC2

Question 22

Instance store

Best use

Answer 22

Cache data, buffers, other temporary content

Question 23

Result of VM shutdown

Instance store

Answer 23

data in the store is lost

Instance store

Question 24

Physical location

Instance store

Answer 24

attached to the physical VM host

Instance store

Question 25

benefit

Instance Store

Answer 25

Extremely high IOPs compared to EBS

Instance Store

Question 26

Instance store

EC2

Answer 26

temporary block-level storage

EC2

Question 27

Instance type naming convention

EC2

Answer 27

~ generation

[A][#].[Size]
A ~ instance class
Size ~ size of memory and CPUs

EC2

Question 28

Instance type D (also I or H; storage)

EC2

Answer 28

Optimized for data storage or distributed file systems

EC2

Question 29

Instance type R (Memory)

EC2

Answer 29

Optimized for databases or big data

EC2

Question 30

Instance type C (Compute)

EC2

Answer 30

Optimized for high performance computing

EC2

Question 31

Instance Type T

EC2

Answer 31

General purpose

EC2

Question 32

EC2

Answer 32

Elastic Compute Cloud
cloud based VMs

Question 33

Private EC2 use case

EC2

Answer 33

Batch processing

EC2

Question 34

Public EC2 use case

EC2

Answer 34

Web application hosting

EC2

Question 35

Instance OS types (2)

EC2

Answer 35

Linux
Windows

EC2

Question 36

VM agility

EC2

Answer 36

Secure and resizable

EC2