MCQs on EC2 Storage Options | AWS EC2 MCQs Questions
Prepare for AWS certification or enhance your cloud computing skills with this comprehensive set of AWS EC2 MCQ questions and answers. This guide covers key topics, including Amazon EBS, creating and managing volumes, snapshots and backups, instance store volumes, and integration with Amazon S3. Ideal for both beginners and advanced learners.
Overview of Amazon EBS (Elastic Block Store) (7 MCQs)
- What is the primary purpose of Amazon EBS in AWS EC2?
a) Storing object-based data
b) Providing block storage for EC2 instances
c) Hosting static websites
d) Managing virtual private clouds - Which type of EBS volume offers the best performance for transactional workloads?
a) Magnetic
b) General Purpose SSD (gp3)
c) Cold HDD (sc1)
d) Throughput Optimized HDD (st1) - How are EBS volumes charged in AWS?
a) By IOPS only
b) By size and duration of use
c) By API calls
d) Based on EC2 instance type - What is the maximum size of an EBS volume?
a) 1 TB
b) 10 TB
c) 16 TB
d) 64 TB - Which EBS volume type is optimized for high throughput applications?
a) General Purpose SSD (gp3)
b) Provisioned IOPS SSD (io2)
c) Throughput Optimized HDD (st1)
d) Cold HDD (sc1) - What happens to an EBS volume when an EC2 instance is terminated by default?
a) The volume is deleted automatically
b) The volume remains attached but stops working
c) The volume is detached but preserved
d) The volume is moved to Amazon S3 - Which feature allows attaching multiple EC2 instances to a single EBS volume?
a) Multi-Attach
b) Cross-Zone Replication
c) Auto Scaling
d) Elastic Load Balancer
Creating and Managing Volumes (7 MCQs)
- What must you specify when creating an EBS volume?
a) VPC ID
b) Security group
c) Availability Zone
d) Instance Type - How can you increase the size of an existing EBS volume?
a) Create a new volume and attach it
b) Use the AWS Management Console or CLI to modify the volume
c) Replace the existing EC2 instance
d) It is not possible to increase the size - Which AWS CLI command is used to create an EBS volume?
a)aws ec2 create-instance
b)aws ec2 create-volume
c)aws ec2 create-storage
d)aws ec2 add-disk - When attaching an EBS volume, what must the volume and instance have in common?
a) Same tag name
b) Same Availability Zone
c) Same instance type
d) Same key pair - What is the purpose of a device name when attaching an EBS volume to an instance?
a) To specify the operating system version
b) To identify the volume for the EC2 instance
c) To set the encryption key
d) To control instance launch permissions - What action is required before detaching a root volume?
a) Stop the EC2 instance
b) Create a snapshot
c) Resize the volume
d) Change the Availability Zone - How do you ensure data durability when detaching an EBS volume?
a) Encrypt the volume
b) Create a snapshot before detaching
c) Use a multi-attach volume
d) Use a magnetic volume
Snapshots and Backups (6 MCQs)
- What is an EBS snapshot?
a) A backup of an EC2 instance state
b) A point-in-time copy of an EBS volume
c) A replication of an S3 bucket
d) A snapshot of instance metadata - Where are EBS snapshots stored in AWS?
a) Amazon EBS
b) Amazon S3
c) Amazon Glacier
d) Local storage on EC2 - Which AWS service simplifies automated EBS snapshot creation?
a) AWS Backup
b) AWS CloudFormation
c) Amazon CloudWatch
d) AWS Storage Gateway - How can you restore an EBS volume from a snapshot?
a) Use the AWS CLI to attach the snapshot
b) Create a new EBS volume from the snapshot
c) Restart the EC2 instance
d) Use the snapshot directly as a volume - What is a primary benefit of incremental snapshots in EBS?
a) Reduced cost and time for backups
b) Enhanced network security
c) Faster instance launch times
d) Higher storage durability - What should you do before deleting a snapshot?
a) Verify if it’s used by other services
b) Encrypt the snapshot
c) Share it with another account
d) Modify the snapshot name
Instance Store Volumes (5 MCQs)
- What is a characteristic of instance store volumes?
a) Data persists after instance termination
b) Provides temporary storage
c) Encrypted by default
d) Charged based on usage - Which type of storage is suitable for caching data in EC2?
a) Instance store volumes
b) EBS volumes
c) S3 Standard
d) AWS Backup - What happens to the data in an instance store volume when an instance is stopped?
a) Data is retained indefinitely
b) Data is lost
c) Data is archived in Amazon Glacier
d) Data is copied to S3 - How are instance store volumes attached to an EC2 instance?
a) They are automatically provisioned
b) Through the AWS Management Console
c) By attaching them like EBS volumes
d) By enabling an encryption key - Which EC2 instance type typically includes instance store volumes?
a) General-purpose
b) Compute-optimized
c) Storage-optimized
d) Memory-optimized
Integrating with Amazon S3 (5 MCQs)
- How can EC2 instances access S3 securely?
a) By using public URLs
b) Through IAM roles
c) Using Access Keys in the user data
d) By enabling CloudFront - Which AWS tool is used to sync data between EC2 and S3?
a) AWS CLI
b) AWS CloudWatch
c) AWS Backup
d) Amazon Athena - What is an advantage of storing backups in S3 instead of EBS?
a) Reduced storage costs
b) Faster snapshot restoration
c) Automatic encryption
d) Persistent data upon instance termination - How can an EC2 instance write directly to an S3 bucket?
a) Configure a lifecycle policy
b) Attach an IAM role with appropriate permissions
c) Enable versioning on the bucket
d) Use Elastic Load Balancing - What S3 storage class is ideal for long-term backup storage?
a) S3 Standard
b) S3 Intelligent-Tiering
c) S3 Glacier
d) S3 One Zone-IA
Here is the answer list again for the AWS EC2 MCQs:
| Qno | Answer (Option with the text) |
|---|---|
| 1 | b) Providing block storage for EC2 instances |
| 2 | b) General Purpose SSD (gp3) |
| 3 | b) By size and duration of use |
| 4 | d) 64 TB |
| 5 | c) Throughput Optimized HDD (st1) |
| 6 | a) The volume is deleted automatically |
| 7 | a) Multi-Attach |
| 8 | c) Availability Zone |
| 9 | b) Use the AWS Management Console or CLI to modify the volume |
| 10 | b) aws ec2 create-volume |
| 11 | b) Same Availability Zone |
| 12 | b) To identify the volume for the EC2 instance |
| 13 | a) Stop the EC2 instance |
| 14 | b) Create a snapshot before detaching |
| 15 | b) A point-in-time copy of an EBS volume |
| 16 | b) Amazon S3 |
| 17 | a) AWS Backup |
| 18 | b) Create a new EBS volume from the snapshot |
| 19 | a) Reduced cost and time for backups |
| 20 | a) Verify if it’s used by other services |
| 21 | b) Provides temporary storage |
| 22 | a) Instance store volumes |
| 23 | b) Data is lost |
| 24 | a) They are automatically provisioned |
| 25 | c) Storage-optimized |
| 26 | b) Through IAM roles |
| 27 | a) AWS CLI |
| 28 | a) Reduced storage costs |
| 29 | b) Attach an IAM role with appropriate permissions |
| 30 | c) S3 Glacier |