Quiz questions

Question 1

In RDS, what is the max value I can set for backup retention period?

Answer 1

35 days

Question 2

Are automated backups enabled by default for a new DB instance?

Answer 2

Yes / true

Question 3

Can a reserved instance be moved to another region?

Answer 3

No

Question 4

In RDS, what’s the max size for a Microsoft SQL Server Express DB instance?

Answer 4

10GB per database

Question 5

Can I force a failover for any RDS instance that has Multi-AZ turned on?

Answer 5

Yes

Question 6

Are you allowed to conduct vuln scans within a VPC?

Answer 6

Yes, but alert AWS support first

Question 7

What are the AWS support levels?

Answer 7

Basic, Developer, Business, Enterprise

Question 8

How many copies of my data does RDS Aurora store by default?

Answer 8

6

Question 9

What’s the max response time for a Business Level Premium Support Case?

Answer 9

1 hour

Question 10

What types of RDS databases are currently available?

Answer 10

MySQL, MariaDB, Postgres, Oracle and SQL Server

Question 11

Can a reserved instance be moved to another AZ?

Answer 11

Yes

Question 12

True/False: S3 buckets in all other regions (except US standard) do not provide eventual consistency for overwrite PUTS and DELETES

Answer 12

False

Question 13

When creating an RDS instance, you can select which AZ in which to deploy your instance

Answer 13

True

Question 14

What block size does Redshift use for its columnar storage?

Answer 14

1024KB / 1MB

Question 15

What additional steps should you take to ensure a DynamoDB database has redunancy?

Answer 15

Nothing. DynamoDB data is automatically replicated across multiple availability zones.

Question 16

True/False: Can new subnets in a custom VPC communicate with each other by default?

Answer 16

True

Question 17

Which of the following is not a valid config for AWS storage gateway?

• Gateway-cached volumes
• Gateway-accessed volumes
• Gateway-stored volumes
• Gateway-Virtual Tape Library

Answer 17

Gateway-accessed volumes

Question 18

What’s a good AWS product to consume big data - social feeds, news feeds, logs?

Answer 18

Kinesis

Question 19

What’s a good AWS product for processing business intelligence data?

Answer 19

Redshift

Question 20

What’s a good AWS product for processing big data?

Answer 20

Elastic Map Reduce

Question 21

Can VPC peering be used between AZ’s?

Answer 21

Yes, but you cannot use VPC peering across regions.

Question 22

Does VPC peering support transitive peering?

Answer 22

No ; you must directly peer two VPC’s to allow them to communicate

Question 23

What are the four pillars of the well-architected framework?

Answer 23

Security
Reliability
Performance Efficiency
Cost Optimsation

Question 24

What are the valid methods for encrypting S3 data?

Answer 24

SSE-S3
SSE-C
SSE-KMS
Client encryption (eg, ObjectiveFS or Amazon S3 encryption client)

Question 25

In the VPC context, what is stateless?

Answer 25

Network ACLs are stateless and therefore do not automatically allow response traffic

Question 26

In the VPC context, what is stateful?

Answer 26

Responses to allowed inbound traffic are allowed to flow outbound regardless of outbound rules

Question 27

When using ACL’s, are corresponding rules automatically added?

Answer 27

No. You must explicitly define both inbound and outbound rules for network ACL’s.