advanced EC2

Question 1

Allows for EC2 build automation using user data

Answer 1

EC2 Bootstrapping

Question 2

169.254.169.254/latest/user-data

Answer 2

EC2 bootstrapping

Question 3

anything in user data is executed by the instance OS ONLY ONCE AT LAUNCH

Answer 3

True

Question 4

Set of helper scripts that interface with the CloudFormation stack by making CloudFormation a lot more powerful and enabling you to fine-tune templates to better fit your use case. For example, you can update application configuration without recreating an instance

Answer 4

CFN-INIT

Question 5

Can cfn-init be executed after launch?

Answer 5

Yes

Question 6

Resource to prevent its status from reaching create complete until AWS CloudFormation receives a specified number of success signals or the timeout period is exceeded

Answer 6

CreationPolicy attribute

Question 7

script signals CloudFormation to indicate whether Amazon EC2 instances have been successfully created or updated,

Answer 7

cfn-signal

Question 8

container for an IAM role

Answer 8

InstanceProfile

Question 9

How are temp credentials delivered for instance roles?

Answer 9

Instance Metadata

Question 10

provides secure, hierarchical storage for configuration data management and secrets management

Answer 10

AWS Systems Manager Parameter Store

Question 11

provides support for three types of parameters: String, StringList, and SecureString

Answer 11

Parameter Store

Question 12

Are CloudWatch or CloudWatchLogs capable of capturing data inside an ec2 instance?

Answer 12

No, need CloudWatch Agent

Question 13

Influences how instances are placed in underlying AWS hardware.

Answer 13

placement groups

Question 14

placement group where your instances are placed close together inside an Availability Zone

Answer 14

cluster group

Question 15

placement group where your instance are seperated

Answer 15

spread group

Question 16

placement group where groups of instances are spread apart

Answer 16

Partition group

Question 17

placement group which enables workloads to achieve low-latency, high network throughput network performance

Answer 17

Cluster group

Question 18

placement group which reduces the likelihood of correlated hardware failures for your application. used for critical mission workloads

Answer 18

Spread

Question 19

placement group of instances in one partition do not share the underlying hardware with groups of instances in different
partitions

Answer 19

Partition

Question 20

When using a dedicated host, are you charged for instances?

Answer 20

No

Question 21

Does dedicated host have physical sockets and cores

Answer 21

Yes

Question 22

single root I/O virtualization (SR-IOV) to provide high-performance networking capabilities on supported instance types for no additional charge

Answer 22

Enhanced Networking

Question 23

provides higher I/O performance and lower CPU utilization when compared to traditional virtualized network interfaces

Answer 23

Enhanced Networking

Question 24

dedicate capacity has been provided for EBS but costs extra

Answer 24

EBS Optimized