Storage in the Cloud

Storage in the Cloud | Quiz Answers 2021

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Google Cloud Platform Fundamentals: Core Infrastructure

Cloud Storage

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 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?

  • Cloud Datastore
  • Cloud Storage
  • Cloud Spanner
  • Local SSD

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