Q31
Q31 What type of storage is Amazon S3?
Block Storage
Object Storage
File Storage
Hybrid Storage
Q32
Q32 Which storage class in S3 is best suited for infrequently accessed data?
S3 Standard
S3 Standard-IA
S3 Glacier
S3 Intelligent-Tiering
Q33
Q33 Which of the following services provides persistent block storage for EC2 instances?
S3
EBS
Glacier
EFS
Q34
Q34 What is the primary use case for Amazon Glacier?
High-performance storage
Cold storage for archives
Database storage
Temporary storage
Q35
Q35 Which AWS storage option provides automatic scaling?
EBS
S3
EFS
Glacier
Q36
Q36 What is the maximum size of an object you can store in Amazon S3?
1 TB
5 TB
10 TB
15 TB
Q37
Q37 Which AWS CLI command is used to list all objects in an S3 bucket?
aws s3 list
aws s3 ls s3://bucket-name
aws s3 show-objects
aws s3 objects list
Q38
Q38 How do you create a snapshot of an EBS volume using the AWS CLI?
aws ec2 create-snapshot
aws ebs snapshot-create
aws storage snapshot-create
aws ec2 snapshot
Q39
Q39 Which AWS CLI command is used to retrieve a file from an S3 Glacier archive?
aws s3 restore-object
aws glacier retrieve-file
aws s3api restore-object
aws storage fetch
Q40
Q40 An EC2 instance cannot access an S3 bucket. What should you check first?
Storage class
IAM permissions
EBS attachment
Instance type
Q41
Q41 Your S3 bucket has files, but aws s3 ls returns an empty list. What could be the issue?
Incorrect permissions
Object versioning
Bucket region mismatch
Storage class mismatch
Q42
Q42 Your EC2 instance cannot mount an EBS volume. What could be the most likely reason?
Volume is encrypted
No internet access
Incorrect file system
IAM role missing
Q43
Q43 What does VPC stand for in AWS?
Virtual Private Cluster
Virtual Private Cloud
Virtual Public Cloud
Virtual Processing Cloud
Q44
Q44 What is the purpose of a Subnet in a VPC?
To create a backup
To divide a VPC into smaller networks
To store data
To monitor traffic
Q45
Q45 Which AWS service helps in registering domain names and managing DNS records?
VPC
Route 53
CloudFront
Elastic IP
Q46
Q46 What type of IP address is allocated by default to an EC2 instance in a public subnet?
Elastic IP
Static IP
Private IP
Public IP
Q47
Q47 What is an Internet Gateway in a VPC?
A virtual router
A NAT device
A firewall
A web hosting service
Q48
Q48 What is the main purpose of Route 53 health checks?
To monitor DNS records
To route traffic based on resource health
To encrypt data
To monitor instances
Q49
Q49 Which AWS CLI command lists all VPCs in your account?
aws vpc list
aws ec2 describe-vpcs
aws network vpc-list
aws ec2 vpcs-show
Q50
Q50 How do you create a new subnet in a VPC using the AWS CLI?
aws ec2 create-subnet
aws vpc create-subnet
aws ec2 init-subnet
aws ec2 setup-subnet
Q51
Q51 Which AWS CLI command associates a Route 53 health check with a DNS record?
aws route53 associate-record
aws route53 health-check-record
aws route53 change-resource-record-sets
aws route53 setup-record
Q52
Q52 Your EC2 instance cannot connect to the internet. What should you check first in the VPC setup?
NAT Gateway
Internet Gateway
Subnet type
IAM role
Q53
Q53 Traffic is not being routed to your application despite a valid DNS record in Route 53. What might be the issue?
Health checks
Internet Gateway
Security groups
NAT Gateway
Q54
Q54 A private subnet cannot access the internet. What could be missing in the VPC configuration?
Public IP
NAT Gateway
Route table
Elastic IP
Q55
Q55 What type of database is Amazon DynamoDB?
Relational
Key-Value and Document
Graph
Time-Series
Q56
Q56 Which database engine is NOT supported by Amazon RDS?
MySQL
PostgreSQL
MongoDB
MariaDB
Q57
Q57 What is a key advantage of using DynamoDB compared to traditional RDBMS solutions?
Support for SQL
Horizontal scalability
Built-in backups
Cost-effectiveness
Q58
Q58 What is the purpose of Amazon RDS Multi-AZ deployments?
Faster queries
High availability
Lower costs
Dynamic scaling
Q59
Q59 What consistency models does DynamoDB offer?
Eventual
Strong
Both
None
Q60
Q60 Which AWS CLI command is used to list all DynamoDB tables?
aws dynamodb list-tables
aws rds list-tables
aws database tables-list
aws dynamodb tables-show