HA & Scaling Flashcards

1
Q

HA & Scaling

A Launch Template contains what 6 pieces of information

A

AMI
Instance Type
SG
Networking
Userdata
Version

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2
Q

HA & Scaling

4 steps to define an Autoscaling group

A

(1) Define a launch template
(2) Define your ELB config
(3) Define your scaling policy
(4) Set any notifications you want to recieve

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3
Q

HA & Scaling

3 scaling approaches

A

Reactive Scaling
Scheduled Scaling
Predictive Scaling

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4
Q

HA & Scaling

How can you ensure you use dedicated hosts on EC2 instances in your Auto Scaling groups.

launch configurations / launch templates

A

launch template

launch templates provide more advanced Amazon EC2 configuration options. For example, you must use launch templates to use Amazon EC2 Dedicated Hosts

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5
Q

HA & Scaling

You need multiple versions of a launch configuration. How could you do this?

A

Use a launch template instead

A launch template is similar to a launch configuration, in that it specifies instance configuration information.

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