Storage in the Cloud Coursera Quiz Answers

Get All Weeks Google Cloud Platform Fundamentals: Core Infrastructure Quiz Answers

Cloud Storage Quiz Answers

Q1. Your Cloud Storage objects live in buckets. Which of these characteristics do you define on a per-bucket basis? Choose all that are correct (3 correct answers).

An encryption-at-rest setting (on or off)
A geographic location
A default file type for the objects in the bucket
A globally unique name
A default storage class

Q2. True or false: Cloud Storage is well suited to providing the root file system of a Linux virtual machine.

True
False

Q3. Why would a customer consider the Coldline storage class?

To save money on storing frequently accessed data.
To use the Coldline Storage API.
To save money on storing infrequently accessed data.
To improve security.

Cloud Bigtable

Q1. True or false: Each table in NoSQL databases such as Cloud Bigtable has a single schema that is enforced by the database engine itself.

True
False

Q2. Some developers think of Cloud Bigtable as a persistent hashtable. What does that mean?

Each item in the database can be sparsely populated and is looked up with a single key.
Each item in the database consists of exactly the same fields and can be looked up based on a variety of keys.

Cloud SQL and Cloud Spanner

Q1. Which database service can scale to higher database sizes?

Cloud SQL.
Cloud Spanner.

Q2. Which database service presents a MySQL or PostgreSQL interface to clients?

Cloud SQL.
Cloud Spanner.

Q3. Which database service offers transactional consistency at a global scale?

Cloud SQL.
Cloud Spanner.

Cloud Datastore

Q1. How are Cloud Datastore and Cloud Bigtable alike? Choose all that are correct (2 correct answers)

They both offer SQL-like queries.
They are both NoSQL databases.
They both have a free daily quota.
They are both highly scalable.

Q2. True or false: Cloud Datastore databases can span App Engine and Compute Engine applications.

True
False

Google Cloud Platform Storage Options

Q1. You are developing an application that transcodes large video files. Which storage option is the best choice for your application?

Cloud Datastore
Cloud Spanner
Cloud Storage
Google Drive

Q2. You manufacture devices with sensors and need to stream huge amounts of data from these devices to a storage option in the cloud. Which Google Cloud Platform storage option is the best choice for your application?

Cloud Datastore
BigQuery
Cloud Bigtable
Cloud Spanner

Q3. Which statement is true about objects in Cloud Storage?

They are immutable, and new versions overwrite old unless you turn on versioning.
They can be edited in place.
They are immutable and versioned by default.
They are immutable unless you turn on versioning.

Q4. You are building a small application. If possible, you’d like this application’s data storage to be at no additional charge. Which service has a free daily quota, separate from any free trials?

Cloud Spanner
Bigtable
Cloud SQL
Cloud Datastore

Q5. How do the Nearline and Coldline storage classes differ from Multi-regional and Regional? Choose all that are correct (2 responses).

Nearline and Coldline have lower durability.
Nearline and Coldline assess lower storage fees.
Nearline and Coldline assess additional retrieval fees.
Nearline and Coldline use a differently-architected API.
Data in Nearline and Coldline is not retrievable immediately.

Q6. Your application needs a relational database, and it expects to talk to MySQL. Which storage option is the best choice for your application?

Cloud SQL
Bigtable
Cloud Spanner
Cloud Storage

Q7. Your application needs to store data with strong transactional consistency, and you want seamless scaling up. Which storage option is the best choice for your application?

Cloud Datastore
Cloud Storage
Cloud SQL
Cloud Spanner

Q8. Which GCP storage service is often the ingestion point for data being moved into the cloud, and is frequently the long-term storage location for data?