Old 2017 Well Architected Framework WP - Reliability Flashcards Preview

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Flashcards in Old 2017 Well Architected Framework WP - Reliability Deck (11)
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1
Q

Reliability Pillar description

A

Ability of a system to recover from disruptions and the ability to scale to meet demand

2
Q

Reliability Design Principles

A

Test Recovery procedures

Automatically recover from failure

Scale horizontally to increase system availability

Stop guessing capacity

3
Q

Definitions / 3 Areas

A

Foundations

Change Mgmt

Failure Mgmt

4
Q

Foundations

A

One of the first things to consider is capacity of your comms between HQ and data center

Re-provisioning can take months to change

AWS provides much of the foundations for you

AWS does have service limits to prevent customers from over-provisioning

5
Q

Foundations Questions

A

how are you managing AWS service limits

How are you planning network topology

do you have an escalation path for technical issues

6
Q

Change Management best practices

A

Monitoring lets you detect changes

Cloudwatch makes it easier to monitor and autoscale

7
Q

Change management questions

A

how do you adapt to changes

how are you monitoring

how are you executing change management

8
Q

Failure Management

A

always architect with assumptions that failure will occur

Plan responses and preventions

9
Q

Failure management questions

A

How are you backing up data

how does system withstand failures

are you planning for recovery

10
Q

Key AWS Services

A

Foundations: IAM, VPC

Change Mgmt: Cloudtrail

Failure Mgmt: Cloudformation,

11
Q

Exam tips

A

remember 3 areas: foundations, change and failure mgmt

questions for the 3 areas