AWS stands for Amazon Web Service; it is a collection of remote computing services also known as a cloud computing platform. This new realm of cloud computing is also known as IaaS or Infrastructure as a Service.
The key components of AWS are
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S3 stands for Simple Storage Service. You can use the S3 interface to store and retrieve any amount of data, at any time and from anywhere on the web. For S3, the payment model is “pay as you go.”
AMI stands for Amazon Machine Image. It’s a template that provides the information (an operating system, an application server, and applications) required to launch an instance, which is a copy of the AMI running as a virtual server in the cloud. You can launch instances from as many different AMIs as you need.
From a single AMI, you can launch multiple types of instances. An instance type defines the hardware of the host computer used for your instance. Each instance type provides different computer and memory capabilities. Once you launch an instance, it looks like a traditional host, and we can interact with it as we would with any computer.
An AMI includes the following things
Amazon S3 is a REST service, and you can send a request by using the REST API or the AWS SDK wrapper libraries that wrap the underlying Amazon S3 REST API.
The difference between EC2 and Amazon S3 is that
| EC2 | S3 |
| It is a cloud web service used for hosting your application | It is a data storage system where any amount of data can be stored |
| It is like a huge computer machine which can run either Linux or Windows and can handle applications like PHP, Python, Apache, or any databases | It has a REST interface and uses secure HMAC-SHA1 authentication keys |
By default, you can create up to 100 buckets in each of your AWS accounts.
Yes, you can vertically scale on the Amazon instance. For that
T2 instances are designed to provide moderate baseline performance and the capability to burst to higher performance as required by the workload.
With private and public subnets in VPC, database servers should ideally launch into private subnets.
For secure Amazon EC2 best practices, follow the following steps
The buffer is used to make the system more robust to manage traffic or load by synchronizing different components. Usually, components receive and process the requests in an unbalanced way. With the help of a buffer, the components will be balanced and will work at the same speed to provide faster services.
The possible connection errors one might encounter while connecting instances are
Key-pairs are secure login information for your virtual machines. To connect to the instances, you can use key-pairs which contain a public-key and private-key.
Following are the types of instances:
No, currently Amazon VPI does not provide support for broadcast or multicast.
5 VPC Elastic IP addresses are allowed for each AWS account.
The default storage class is a Standard frequently accessed.
Roles are used to provide permissions to entities which you can trust within your AWS account. Roles are very similar to users. However, with roles, you do not require to create any username and password to work with the resources.
Edge location is the area where the contents will be cached. So, when a user is trying to access any content, the content will automatically be searched in the edge location.
Snowball is a data transport option. It used source appliances to a large amount of data into and out of AWS. With the help of snowball, you can transfer a massive amount of data from one place to another. It helps you to reduce networking costs.
Redshift is a big data warehouse product. It is a fast and powerful, fully managed data warehouse service in the cloud.
Following are the advantages of autoscaling
A large section of IP Addresses divided into chunks is known as subnets.
Yes, we can establish a peering connection to a VPC in a different region. It is called inter-region VPC peering connection.
Simple Queue Service is also known as SQS. It is distributed queuing service which acts as a mediator for two controllers.
You can have 200 subnets per VPC.
DNS and Load Balancer and DNS services come under IAAS-storage cloud service.
CloudTrail is a specially designed tool for logging and tracking API calls. It helps to audit all S3 bucket accesses.
EC2 officially launched in the year 2006.
SimpleDB is a data repository of structure record which encourages data doubts and indexing both S3 and EC2are called SimpleDB.
Amazon Elasticcache is a web service which makes it easy to deploy, scale and store data in the cloud.
Lambda is an Amazon compute service which allows you to run code in the AWS Cloud without managing servers.
The types of AMI provided by AWS are:
AWS Edge locations are services that redundantly cache data and images.
A Geo-restriction feature helps you to prevent users of specific geographic locations from accessing content which you’re distributing through a CloudFront web distribution.
EMR is a survived cluster stage which helps you to interpret the working of data structures before the intimation. Apache Hadoop and Apache Spark on the Amazon Web Services help you to investigate a large amount of data. You can prepare data for the analytics goals and marketing intellect workloads using Apache Hive and using other relevant open-source designs.
The boot time for an Amazon instance store-backend AMI is less than 5 minutes.
Yes, the Internet gateway is needed to use VPC (virtual private cloud peering) connections.
We can’t be able to connect EBS volume to multiple instances. However, you can connect various EBS Volumes to a single instance.
Various types of cloud services are:
AMI is a template consisting of software configuration part. For example Operating systems, applications, application servers if you start an instance, a duplicate of the AMI in a row as an attendant in the cloud.
Two types of Load balancers are:
You should select provisioned IOPS storage over standard RDS storage if you want to perform batch-related workloads.
Important features of the Amazon cloud are:
Yes, you can vertically estimate one Amazon instance.
Lifecycle hooks are used for autoscaling to put an additional wait time to a scale in or scale out event.
Different layers of cloud architecture are:
Storage classes available with Amazon s3 are:
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nice,thnak u very much and i want to more interview questions on aws
Good questions . Thanks a lot!
Very good thank you for nice explanation.
Question 46, types of load balancer... I think 3 types of load balancer... Application , network and classic
Now its 4😂
Actually 4 types
1 Classic LB
2 Network LB
3 Application LB
4 Gateway LB
thank you, very use full questions.
One correction peering connection is possible in different reason
Thanks for writing. It is reviewed and updated.
Very very nice and good explanation..we need more questions on aws that can helpful for us..Thank you in Advance !..
Thanks so much for your interview questions on AWS. It is very helpful. Could you please upload scenario based questions and step by step process wise scenarios. It would be more helpful. Greatly appreciate. Thanks in advance..
this interview question is very use full to me
Answer is incorrect for "Can you establish a Peering connection to a VPC in a different region?"
you can establish a peering connect across regions and accounts, it is possible.
Thanks for writing. It is reviewed and updated.
thank you very helpfull
I want to more aws questions pls provide
Thank you very much nice explanation
Thank you very much nice explanation
Good questions . Thanks a lot!
any one can explain about Peering connection
well questions for revise subject but better to provide analitical questions on aws...
Good Questions Thanks, but answers can be better described in a bit better English.
Very good understanding and clear explanation.
For question no 28 - We can establish peering connection between VPCs in different regions.
Thanks for writing. It is updated.
Q28 VPC Peering between different regions is wrong. AWS allows for VPC peering where the VPC's are in different regions.
Also, Q29, SQL - I think you meant SQS - Simple Queue Service.
Thanks for writing. It is reviewed and updated.
I completed cloud aws beginner level course in udemy. Can you please guide me where to start learning for associate level. Also it will be very great to know any coaching centre suggestions. Thank you in advance
Very good thank you for nice explanation.
28) Can you establish a Peering connection to a VPC in a different region?
No, It’s only possible between VPCs in the same region.
Yes we can create vpc peering from one region to another region and also
one account to another account
Thanks for writing. It is updated.
29) question needs correction- It should be - What is SQS*
Thanks for writing. It is corrected.
Many service features have updated since this is written and it needs to be updated.
Answer of the question no 28. Is wrong. You can create peering connection between two different regions. Please review this answer of this question what I mentioned.
Thanks...
Thanks for writing. It is reviewed and updated.
Thanks for compiling the list of questions. A quick observation - the content seems to be outdated.
Good content
Thanks alot
I appreciated all of the information. I’d recommend proofreading as there are a number of grammatical mistakes.
yes a number of key mistakes; also, some out of date items, get in touch with me and I will be happy to partner with you and clean it up?
Can I get Aws Q/@ dump
Excellent bunch of questions & answers , very helpful
que no. 28 VPCs across accounts and AWS Regions can also be peered together
que. no. 29 it is SQS not SQL.
Hi, thanks for writing and drawing attention. Both the questions are reviewed and updated.
Wonderful explanation, looking forward for more quizes
Brilliant information, thanks much......
Some of the answer not properly explained.
Like what are the roles?
Rather than explaining about roles
It's characteristics were explained.
Some typo mistake
29) what is SQL
Correct ans is structured query language
But here it's explained as simple queue service ...Which is wrong.
Hi, thanks for writing and drawing attention. The content is reviewed and updated.
No SQs is one of AWS webservice ..so that is correcr
Why we are unable to add a DynamoDB trigger with read access to the lambda function ?
Computer Optimized is typo error in types of instances, pls correct it to Compute Optimized
Really nice questions!!
Good, these help alot
Thanks a lot!
Can u use parts of an heat treated vessel for example the head use it again and heat treat it again