Amazon S3 empowers organizations with advanced data management capabilities, making it easier to handle large datasets, automate workflows, and manage bulk data efficiently. Key features like multipart uploads, event notifications, triggers, and batch operations simplify complex processes while ensuring scalability and reliability. Explore these concepts through 30 carefully curated MCQs.
Topic 1: Working with Large Datasets (10 Questions)
What is the purpose of multipart uploads in S3? a) Encrypt data during transit b) Upload large files in smaller parts c) Reduce storage costs d) Increase data durability
Which AWS SDK method initiates a multipart upload? a) initiateMultipartUpload b) startMultipartUpload c) beginUpload d) uploadFile
What is the minimum size of a single part in a multipart upload, except for the last part? a) 1 MB b) 5 MB c) 10 MB d) 15 MB
What happens if a multipart upload is not completed? a) The parts are automatically combined b) The uploaded parts are discarded c) The parts remain and incur storage charges d) The process restarts automatically
How can you retrieve only specific portions of a large file in S3? a) Byte-range fetches b) Partial object requests c) Selective retrievals d) Streaming downloads
Which HTTP header is used for specifying a byte-range fetch? a) Content-Range b) Accept-Ranges c) Range d) Fetch-Range
What is the benefit of using byte-range fetches? a) Lower storage costs b) Faster uploads c) Reduced data transfer for partial file retrieval d) Improved data durability
Which tool can be used to manage large datasets in S3 interactively? a) AWS CLI b) S3 Console c) AWS Lambda d) AWS Glue
Can you resume a failed multipart upload? a) No, you must start over b) Yes, but only with SDKs c) Yes, by using the same upload ID d) Yes, if the bucket is versioned
What is the maximum number of parts allowed in a multipart upload? a) 10,000 b) 1,000 c) 5,000 d) 15,000
Topic 2: Event Notifications and S3 Triggers (10 Questions)
What is the primary purpose of S3 event notifications? a) Automate bucket replication b) Trigger actions based on object events c) Monitor S3 bucket performance d) Improve data retrieval speeds
Which AWS service is commonly used as a destination for S3 event notifications? a) AWS CloudWatch b) AWS Lambda c) AWS Glue d) AWS Data Pipeline
How are event notifications configured in an S3 bucket? a) By enabling logging b) Through bucket policies c) By creating event rules in the bucket’s properties d) Using the AWS CLI
What type of events can trigger S3 notifications? a) File system checks b) Object creation, deletion, or restoration events c) Cross-region replication d) Account-level activity
What is the maximum number of event notifications supported per bucket? a) 5 b) 10 c) 20 d) 50
Which protocol is NOT supported for S3 event notifications? a) HTTPS b) Email c) SNS d) Lambda
Can S3 event notifications trigger multiple Lambda functions? a) Yes, with multiple event configurations b) No, only one function can be triggered c) Yes, but only for specific events d) No, Lambda cannot be used with S3
How are event notifications delivered to an Amazon SQS queue? a) Directly via S3 b) Through CloudFormation templates c) Via the event bridge d) Using IAM roles
What permissions are required for a Lambda function to process S3 events? a) Read-only bucket access b) Full access to S3 c) IAM role with S3 read permissions d) No special permissions
Can S3 event notifications be filtered by object key name prefixes or suffixes? a) No, filters are not supported b) Yes, using object key filters c) Only for specific regions d) Only for versioned buckets
Topic 3: S3 Batch Operations for Bulk Data Management (10 Questions)
What is the primary purpose of S3 Batch Operations? a) Process large amounts of objects with a single API call b) Monitor bucket usage c) Enhance replication efficiency d) Delete old lifecycle rules
Which AWS service is used to define tasks in S3 Batch Operations? a) AWS Glue b) AWS Batch c) AWS Lambda d) S3 Batch Operations
What file format is required for an S3 Batch Operations manifest file? a) CSV b) JSON c) XML d) YAML
Which task is NOT supported by S3 Batch Operations? a) Copying objects b) Encrypting objects c) Transcoding videos d) Restoring objects from Glacier
Can S3 Batch Operations work across multiple regions? a) Yes, but only with replication enabled b) Yes, if the manifest file specifies cross-region objects c) No, operations are region-specific d) No, only cross-account operations are supported
What is the maximum size for an S3 Batch Operations manifest file? a) 1 MB b) 10 MB c) 50 MB d) 100 MB
How are completed S3 Batch Operations tasks logged? a) AWS CloudTrail b) Amazon S3 bucket logs c) Task Completion Report in S3 d) Amazon SNS
What happens if an S3 Batch Operation task fails? a) The operation is retried automatically b) The task is skipped and logged c) The entire operation is canceled d) Notifications are sent
Can S3 Batch Operations invoke AWS Lambda functions? a) No, they are independent b) Yes, for custom processing of objects c) Yes, but only for copying tasks d) No, Lambda cannot be triggered
Which tool is recommended for managing large-scale S3 Batch Operations? a) AWS CLI b) AWS Management Console c) AWS SDK d) AWS CloudFormation
Answers
Q No
Answer
1
b) Upload large files in smaller parts
2
a) initiateMultipartUpload
3
b) 5 MB
4
c) The parts remain and incur storage charges
5
a) Byte-range fetches
6
c) Range
7
c) Reduced data transfer for partial file retrieval
8
a) AWS CLI
9
c) Yes, by using the same upload ID
10
a) 10,000
11
b) Trigger actions based on object events
12
b) AWS Lambda
13
c) By creating event rules in the bucket’s properties
14
b) Object creation, deletion, or restoration events
15
b) 10
16
b) Email
17
a) Yes, with multiple event configurations
18
a) Directly via S3
19
c) IAM role with S3 read permissions
20
b) Yes, using object key filters
21
a) Process large amounts of objects with a single API call
22
d) S3 Batch Operations
23
a) CSV
24
c) Transcoding videos
25
b) Yes, if the manifest file specifies cross-region objects