Practice Test

True or False: Amazon S3 Glacier deep storage tier is the lowest-cost storage class and supports long-term retention and archival of data.

  • True
  • False

Answer: True

Explanation: S3 Glacier Deep Archive is Amazon S3’s lowest-cost storage class and supports a long-term retention and digital preservation for data archiving.

What is the minimum storage duration period for AWS S3 Intelligent-Tiering storage class?

  • A) 0 days
  • B) 30 days
  • C) 60 days
  • D) 90 days

Answer: B) 30 days

Explanation: There is a minimum storage duration of 30 days for objects in the AWS S3 Intelligent-Tiering storage class.

True or False: S3 Standard is the most expensive tier among all the S3 storage classes.

  • True
  • False

Answer: True

Explanation: S3 Standard offers high durability, availability, and performance object storage for frequently accessed data. However, it is the most expensive storage class compared to others.

The lifecycle management in S3 allows you to:

  • A) Define when objects expire
  • B) Transition objects to other storage classes
  • C) Clean up incomplete multipart uploads
  • D) All of above

Answer: D) All of above

Explanation: S3’s lifecycle management offers all these capabilities in handling stored objects.

Which storage tier is best suited for infrequently accessed data that can be retrieved rapidly when needed?

  • A) S3 Standard
  • B) S3 Intelligent-Tiering
  • C) S3 Standard-IA
  • D) S3 Glacier

Answer: C) S3 Standard-IA

Explanation: S3 Standard-IA is for data that is accessed less frequently, but it requires rapid access when needed.

True or False: You can transition objects between S3 storage classes using lifecycle configuration requests.

  • True
  • False

Answer: True

Explanation: Amazon S3 lifecycle configuration enables you to specify the lifecycle management of objects in a bucket, including transitioning objects between storage classes.

In lifecycle management, to move an object to Glacier storage class, the object must be in the bucket for at least:

  • A) 30 days
  • B) 7 days
  • C) 60 days
  • D) 90 days

Answer: C) 60 days

Explanation: Objects must be in the bucket for at least 60 days before transitioning to Glacier storage class according to Amazon S3 Lifecycle management.

True or False: The One Zone-IA storage class is not suitable for storing mission-critical information.

  • True
  • False

Answer: True

Explanation: One Zone-IA stores data in a single AZ, thus it is less resilient to data loss and is not suitable for storing mission-critical information.

Which of the following is not a storage class in Amazon S3?

  • A) S3 Standard
  • B) S3 Enterprise
  • C) S3 Standard-IA
  • D) S3 Glacier

Answer: B) S3 Enterprise

Explanation: There is no such thing as S3 Enterprise. The storage classes available are S3 Standard, S3 Standard-IA, S3 Glacier, etc.

True or False: You cannot change the storage class of an object already stored in a S3 bucket.

  • True
  • False

Answer: False

Explanation: You can change the storage class of an object already stored in an S3 bucket. The transition process is handled by AWS through lifecycle policies.

S3 Glacier and S3 Glacier Deep Archive are designed for:

  • A) Frequently accessed data
  • B) Data archiving
  • C) Active data
  • D) Transient data

Answer: B) Data archiving

Explanation: S3 Glacier and S3 Glacier Deep Archive are designed for long-term storage, backups, and archives. They can retain data for long periods of time at a very low cost.

What feature of S3 allows automatic data archiving to the most appropriate storage class?

  • A) S3 Intelligent-Tiering
  • B) S3 Multizone-IA
  • C) S3 Standard-IA
  • D) S3 Glacier

Answer: A) S3 Intelligent-Tiering

Explanation: S3 Intelligent-Tiering optimizes costs by automatically moving data to the most cost-effective access tier, without performance impact or operational overhead.

True or False: You can define a lifecycle rule in Amazon S3 to delete an object after a certain number of days.

  • True
  • False

Answer: True

Explanation: You can define a lifecycle rule in Amazon S3 to delete an object after a certain time period has passed.

Which storage class offers the same durability as Standard S3, but costs less and charges a retrieval fee?

  • A) S3 Glacier
  • B) S3 Standard-IA
  • C) S3 Redundant
  • D) S3 Frequent

Answer: B) S3 Standard-IA

Explanation: The S3 Standard-IA storage class offers the same durability as Standard S3, but with a lower cost and a retrieval fee.

True or False: Amazon S3’s lifecycle policies can be used for automating the migration of objects between the different storage classes.

  • True
  • False

Answer: True

Explanation: Amazon S3’s Lifecycle policies can be used to define actions you want Amazon S3 to take during an object’s lifetime, like transitioning objects to other storage classes, archiving them, or deleting them after a specified period of time.

Interview Questions

What is Amazon S3’s lifecycle management?

Amazon S3’s lifecycle management enables customers to manage and automatically migrate their objects between different storage tiers, or to schedule deletions in accordance with business, legal, or regulatory requirements.

Name the storage tiers available in Amazon S3.

Amazon S3 offers six storage tiers:

  • Amazon S3 Standard
  • Amazon S3 Intelligent-Tiering
  • Amazon S3 Standard-IA (Infrequent Access)
  • Amazon S3 One Zone-IA
  • Amazon S3 Glacier
  • Amazon S3 Glacier Deep Archive

When would you use Amazon S3 Standard-IA (Infrequent Access)?

Use Amazon S3 Standard-IA for data that is accessed less frequently, but requires rapid access when needed. It has a lower storage cost than Amazon S3 Standard, but charges a retrieval fee.

When is it most cost-effective to use the Amazon S3 Intelligent-Tiering storage class?

It is most cost-effective to use the Amazon S3 Intelligent-Tiering storage class when the access patterns for your data are unpredictable, and the data is stored for minimum of 30 days.

What is Amazon S3 One Zone-IA?

Amazon S3 One Zone-Infrequent Access (One Zone-IA) stores data in a single AZ and is designed for customers who want a lower-cost option for infrequently accessed data but do not require the availability and resilience of S3 Standard or S3 Standard-IA.

When would you typically use Amazon S3 Glacier?

You would typically use Amazon S3 Glacier for archive and backup data that is infrequently accessed and long-lived, where retrieval times of several hours are acceptable.

What is the role of lifecycle configuration in an Amazon S3 bucket?

Lifecycle configuration of an Amazon S3 bucket enables automation of the migration of objects between different Amazon S3 storage classes at defined times, or the automatic deletion of objects after a specified period.

How do you apply lifecycle rules to all objects in an S3 bucket?

To apply lifecycle rules to all the objects in a S3 bucket, you would leave the prefix field empty when creating the rule.

Can you modify the lifecycle policy of an existing S3 bucket?

Yes, the lifecycle policy of an existing S3 bucket can be changed or completely removed by overwriting the existing Lifecycle Configuration.

Can you restore objects that have been transitioned to Glacier by S3 Lifecycle Policies?

Yes, once objects are transitioned to Glacier by S3 Lifecycle Policies they can be restored temporarily in S3 for access. However, you will incur a restore fee.

What are the two types of transitions you can set in your Lifecycle Policies?

The two types of transitions are transition actions, which define when objects transition to another storage class, and expiration actions, which define when objects expire and Amazon S3 deletes them.

Do the transition and expiration actions in a single lifecycle policy operate independently of one another?

Yes, transition and expiration actions in the same lifecycle policy operate independently of each other.

Can you apply lifecycle configuration to all versions of an object?

Yes, when versioning is enabled on a bucket, you can apply lifecycle configuration to all versions of an object.

Can Amazon S3’s lifecycle management policy be used to automatically clean up incomplete multi-part uploads?

Yes, one of the features of S3’s lifecycle management is the ability to define a lifecycle configuration that tells Amazon S3 to periodically clean up incomplete multi-part uploads.

Is there any cost involved in lifecycle transitions in Amazon S3?

Yes, while there is no cost to create a lifecycle policy, there are costs associated with the retrieval of objects and data transfer during lifecycle transitions.

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