AWS Interview Questions and Answers
Name AWS Pricing Model?
Pricing Models in Aws are :
- Reserved Instance
- On demand Instance
- spot instance
Amazon Web Services comes under which cloud-computing ?
- AWS falls Under Infrastructure as a service cloud-computing category.
Name of Amazon’s tech support and consulting business?
- AWS Premium Support
Some AWS services which are not region-specific?
- List of some AWS services that are not region specific are as follows:
a. Cloud front
b. Route53
c. web application firewall
d. IAM
Are both Solaris and AIX Operating systems are available with AWS?
- No,both Solaris and AIX operating systems are not available with AWS
To Perform real-time monitoring of aws services which service is used?
- Amazon Cloudwatch
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For Mobile and web apps which one allows you to add user sign-up and sign-in?
- Amazon Cognito
Which of the services are used to allocate private and public IP addresses to communicate with the internet?
- Amazon VPC (VPC- Virtual Private Cloud)
ElastiCache is a type of web service which makes it easy to set up, scale and operate relational database in the cloud?
- a.True
- b.False
Answer: True
Which of the following statements are true?
- a. Availability Zones are global
- b. Regions are global
- c. each region has one availability zone
- d. all the above
Answer:b.Regions are global
Which is the service is used to access consultants and human researchers to solve problems on a temporary basis?
- Amazon Mechanical Turk
Which Of the following services is built on the Hadoop framework using Elastic Compute Cloud?
- Amazon Elastic MapReduce
First Service offered by Amazon to transfer data?
- Disk
AWS reaches customers in how many countries?
- 190
S3 is abbreviated as?
- Simple Storage Service
Types Of AMI’s in AWS?
- 1. Instance store backed 2 .EBS backed
Authentications In AWS?
- 1. Access Key 2. User Name/password 3. session Token
Central Application Service in AWS?
- Amazon Simple Queue Service
AMI stands for?
- AMI – Amazon Machine Image
How many numbers of default buckets can be created in AWS?
- 100 buckets for each AWS account
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How many subnets are there per vpc?
- 200 subnets per vpc
Boot time taken for instance store – backed AMI?
- Boot time taken for instance stored backed AMI is Less than 5 minutes.
What are the different cloud services?
There are 4 types of cloud services.
- SaaS – Software as a Service
- DaaS – Data as a Service
- IaaS – Infrastructure as a Service
- PaaS – Platform as a Service
What is the type of distribution for CloudFront?
- ‘streaming and downloading
What is Exception?
- It is a run time error.
- Exception either pre-defined class or user defined class.
What are the pipelines in AWS Elastic Transcoder?
- These are the Queues that manage transcoding jobs.
Which is called the AWS petabyte-scale data warehouse?
- Redshift
Through which security service AWS provides storage for cryptographic Keys?
- CloudHSM
AWS allows consolidated billing for one account to pay for multiple services?
- True
IAM in AWS is abbreviated as?
- IAM – Identity and Access Management
What are the alarm states in Cloudwatch?
Alarm states in cloudwatch are:
- OK
- ALARM
- INSUFFICIENT DATA
Which is the cheapest and most established AWS region?
- US standard is the cheapest and established AWS region.
EBS is the abbreviation of?
- EBS – Elastic Block Stores
What are EBS Volumes?
- Ebs Volumes are attached to the instances and they will store the data even if instances are stopped.
S3 bucket maximum size?
- 5 tera bytes
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What are cloudwatch Types in AWS?
Cloud watch types in AWS are:
- Basic Monitoring
- Detailed Monitoring
What Is Snowball in AWS?
- Snowball is used for transferring large amounts of data into AWS and also out from AWS.
Which service is used to terminate and replace unhealthy instances?
- Fault Tolerance
Which Type II Audit is supported by AWS?
- SAS70
What entities are transferred between AWS regions?
- AMI & EBS Snapshot
Which tool is used to back up your data in S3?
- glacier
NAT stands for?
- NAT – Network Address Translation
What are the different storage gateways?
Storage gateways are:
- Tape gateway
- File gateway
- Volume Gateway
ELB Stands for?
- ELB – Elastic Load Balancing
What is subnet?
- Subnet is a small portion in an IP Address
Which load balancer makes routing decisions at the transport layer or application layer?
- Classic load balancer.
How to handle exceptions in Python?
- Using try-except blocks, we can handle exceptions in python.
MFA means?
- MFA – Multi-Factor Authentication
What is ephemeral storage?
- Emphemaral storage is temporary storage.
Which service is used for collecting and processing e-commerce data for real-time analysis?
- Redshift and Dynamo services are used to collect and process e-commerce data
What is the AWS Lambda in Amazon Compute Service?
- AWS Lambda allows us to run code without the requirement of managing servers in AWS Cloud.
Which are used in auto-scaling for additional wait time to scale in or scale out an event?
- Life Cycle Hooks