Cloud Storage

Question 1

What type of storage offers the most solutions for cost efficency?

Answer 1

Cloud Storage

Question 2

Which types of databases are considered No SQL?

Answer 2

Cloud DataStore, BigTable, Cloud Firestore

Question 3

Which types of data bases are considered SQL?

Answer 3

Cloud SQL, Cloud Spanner

Question 4

What is the max storage for Cloud SQL?

Answer 4

10 TB

Question 5

What is the max storage for Cloud Spanner?

Answer 5

10 TB

Question 6

What type of storage supports large amounts of No SQL data, and powers Google’s core services?

Answer 6

Bigtable

Question 7

What SQL database offers both Stackdriver integration and failover/replica options?

Answer 7

Cloud SQL

Question 8

What SQL database offers the highest SLA and is best for mission critical work?

Answer 8

Cloud Spanner

Question 9

What is the lowest class of storage in Cloud Storage?

Answer 9

Archive; For data that needs to be accessed less than once a year

Question 10

What storage class in Cloud Storage is best for disaster recovery?

Answer 10

Coldline; For data that needs to be accessed no mre than once a quarter (Lower price per GB but has a high retrieval cost)

Question 11

What is the default storage setting for Cloud Storage buckets?

Answer 11

Standard; No mimimum time for storage, best for frequently accessed data

Question 12

What is the default storage setting for Cloud Storage that is accessed multiple times per year but not often?

Answer 12

Nearline; lower storage costs but minimum for storage of at least 30 days and there is a price for retrieval

Question 13

What storage service is best for ACID transactions and user profiles?

Answer 13

Cloud Datastore; is great for real time inventories

Question 14

What storage service offers Global Time Stamps and provides external consistency?

Answer 14

Cloud Spanner; External consistency is the strongest available type of consistency which is good for transaction processing systems

Question 15

How large is the storage capacity of BigTable?

Answer 15

Bigtable can scale to petabytes of data

Question 16

What types of issues might you have with Bigtable?

Answer 16

Poor schema setup can greatly effect performance, but auto failover is available

Question 17

Which No SQL database option has the ability to scale to zero?

Answer 17

Cloud Datastore

Question 18

What service of Cloud Storage allows the retrieval of bects that have been deleted or overwritten?

Answer 18

Cloud Storage versioning; can be enabled to allow rollbacks on important files, does come with additional storage costs

Question 19

What are primary considerations for transferring data into the Cloud?

Answer 19

The size of the data and the bandwidth you will need to do the transfer effectively (will need a high bandwidth for anything over 1TB of data)

Question 20

Which Cloud Transfer Service allows us to transfer our online sources to a data sink?

Answer 20

Cloud Storage Transfer Service; Allows you to schedule data transfers, delete objects as nessasary, and can be set using gsutil

Question 21

Which Cloud Transfer Service allows transfer of petabytes of data with little interruption to services?

Answer 21

Cloud Transfer Appliance; A hardware storage device that allows you to set up and upload in your data center and then send that device to Google where it is uploaded into Cloud Storage

Question 22

What alternaives do you have for SQL database, other than Cloud SQL?

Answer 22

You can install a SQL server application onto a compute engine instance, but is then not managed by Google

Question 23

What is the difference between SSD and HDD?

Answer 23

HDD is less expensive, but will be lower performing whereas SSD provides low latency and high throughput

Question 24

Can you change the amount of storage in a SQL or compute instance?

Answer 24

You can increase the storage, but cannot decrease so it is important to make sure you know that before creating a new instance