solutions architect professional

Question 1

Amazon kinesis use case

Answer 1

large amount of data

Question 2

Kinesis is SQS on steroids

Answer 2

asynchronous tasks

single direction only

Question 3

Kinesis firehose

Answer 3

is more for archiving. Proessing latency of 60seconds or higher.

Question 4

Kinesis datastreams

Answer 4

custom processing per incoming record
sub-1 second processing latency
Choice of stream processing frameworks

Question 5

Amazon SQS queues

Answer 5

Queues in each direction,

Question 6

Changing the instance type will require restart

Answer 6

Use multi-az to reduce impact

Question 7

With alias record points to one of the services

Answer 7

User is going to make the first request. Everything in the backgroupd Route53 will get the IP address and return the ip address. With alias you cannot return multiple ip addresses

Question 8

redis is similar to multi-AZ

Answer 8

redis can scale up but not out. Once scaled up , cannot scale down( this may change)

Question 9

Amazon DynamoDB

Answer 9

Can scale-out..

Question 10

DynamoDB cache

Answer 10

You can use elastic cache. lower latency.

Question 11

DynamoDB accelerator(DAX)

Answer 11

write-through cache. Lot of times elastic cache is cheper. But with elastic cache your application has to manage the cache but DAX is transparent

Question 12

DynamoDB accelerator(DAX)

Answer 12

write-through cache. Lot of times elastic cache is cheper. But with elastic cache your application has to manage the cache but DAX is transparent

Question 13

Amazon SQS and Dynamo DB

Answer 13

Stick SQS in front of Dynamo DB instead of scaling out Dynamo Db

Question 14

DynamoDB global tables

Answer 14

it is kind of multi-master. app access the gloal table

Question 15

OAI

Answer 15

Origin access identity

Question 16

AWS cloud formation stack policy

Answer 16

can stop stack updates not stack deletion. This stack can still be deleted

Question 17

AWS config is an inventory service. It runs when there is changes in your account and runs and finds out what is running on your system

Answer 17

create c

Question 18

Amazon congnito

Answer 18

signup , password reset,

Question 19

user pools

Answer 19

authenticate who are you. it will return the access keys that an application can use to access services. Handout credentials for anonymous users.

Question 20

security trip A model

Answer 20

authentication, authorization and

Question 21

How many IAM users can you create

Answer 21

5000 Max.

Question 22

Amazon Cognito identity pool

Answer 22

allows unauthenticated users.

Question 23

Enable cloud trail log flie integrity validation

Answer 23

generates a hash along with the file

Question 24

Enable cloud trail log flie integrity validation

Answer 24

generates a hash along with the file

Question 25

Can elastic beanstack automatically delete all application versions?

Answer 25

No

Question 26

6 Rs of migrating

Answer 26

Retain, Re-host, Refactor(making a cloud read app), Re-platform, Replace, Retire( because it is not applicable or redundant)

Question 27

APp mi9gration process

Answer 27

Plan, Bulid, run

Question 28

What is hte limit for 1 VPN tunnel

Answer 28

1.5 Gig

Question 29

Tag everything

Answer 29

great for auditing and cost estimation

Question 30

Types of tags

Answer 30

Resource tags

Cost allocation tags

Question 31

config is inventory service

Answer 31

Can be used to setup rules to apply remediation to non-conformant systems

Question 32

Operational excellence prepare

Answer 32

AWS trusted advisor, AWS cloud formation, AWS systems manager, CloudWatch, Lambda for event response, Elasticsearch service, CodeCommit

Question 33

Architect for component failure

Answer 33

Auto scaling groups, Instance auto recovery, route53 resource record sets

Question 34

Amazon EBS snapshots help minimize the RPO

Answer 34

EBS volumes are stored in AZ. Move it to s3

Question 35

WAF

Answer 35

cloudfront, api gateway, ALB