Last updated 19/06/2020
The pre-appearing phase of an interview is a bit tricky. Don’t you think?
You study the nook and corners of each and every topic, you get trained properly to answer all the questions, you keep memorizing everything in your head over and over again. Yet, it is a constant that you get sweaty palms every time you appear for an interview.
It would have been great if you could have an idea about the interview questions beforehand. Isn’t it?
Well, if you are going to sit for an AWS interview at any point of time this year, then we have those solutions ready for you! Here are the top 25 AWS interview questions along with their answers that every interviewer loves to ask their candidates. Have a look!
Ans. There are 3 basic types of cloud services in total:
There are a few AWS products that are built based on these services. They are as follows:
Ans. AWS Regions are segregated geographical areas. Availability zones denote the areas that are present inside the areas that are mainly isolated zones and can replicate themselves according to the requirement.
Ans. AWS Auto Scaling monitors your applications and automatically adjusts the capacity to maintain steady, predictable performance at the lowest possible cost. Using AWS Auto Scaling, it’s easy to setup application scaling for multiple resources across multiple services in minutes. The service provides a simple, powerful user interface that lets you build scaling plans for resources.
Ans. In CloudFront, we can detect the country from where end users are requesting our content. After passing the information to the Origin server by Amazon CloudFront through a new HTTP header, based on different countries we can generate different content for different versions of the same content. These versions can be cached at different Edge Locations that are closer to the end-users of that country. In this way, we can target our end-users based on their geographic locations.
Ans. 4 steps are involved in the CloudFormation Solution. They are as follows:
Ans: The only way to upgrade or downgrade a system with near-zero downtime is by using the following steps of migration:
Ans. Few tools that can help you to log into the cloud environment are:
Ans.DDoS is a cyber-attack. In this particular cyberattack, the perpetrator accesses a website and creates multiple sessions. This way, no other legitimate users cannot access the service. Some native tools that can help you deny the DDoS attacks on your AWS services are:
Ans. Amazon CloudWatch helps you to monitor:
And in this way, it helps you to monitor the application status of various AWS services and custom events as well.
Ans. Following AWS services are not region-specific:
Ans. There are 3 types of EC2 instances:
Ans. These are the steps you can follow to set up SSH agent forwarding without copying the key every time you log in :
Ans. Solaris is an operating system that uses SPARC processor architecture. It is currently not supported by the public cloud.
AIX is another operating system that runs only on Power CPU and not on Intel. For this reason, you cannot create AIX instances in EC2.
Since both the operating systems have their limitations, they are not currently available with AWS.
Ans. These steps will help you in configuring CloudWatch to recover an EC2 instance:
Ans. Among many types of AMIs, these 3 are the most common ones:
Ans. You can follow these steps to do the same:
Ans. You need to follow these 4 steps to provide a user the access to a specific bucket :
Ans. You need to enable the DNS hostname resolution. By doing that, the problem gets resolved on its own.
Ans. VPC can be monitored with the help of:
Ans. When you are migrating to AWS, these following factors create a huge impact:
Ans. RTO or Recovery Time Objective is the maximum waiting time of your organization for recovery to complete in the wake of an outage.
RPO or Recovery Point Objective is the maximum amount of data loss your company is willing to accept when measured in time.
Ans. AWS CloudFormation templates are YAML or JSON formatted text files. They are made of these following 5 essential elements:
Ans. These following steps help you in order to automate EC2 backup using EBS:
Ans. EBS is permanent storage in which the data can be restored in some future points. When you save data in the EBS, it stays even the lifetime of the EC2 instance is over.
On the other hand, Instance Store is temporary storage that is physically attached to a host machine. You cannot detach one instance and attach it to another with the help of it. Data in an Instance Store is lost forever if any instance has been terminated.
Ans. By following these steps, you can auto-deleting old snapshots:
Feeling a little more confident about cracking an AWS interview now?
Well, this is just a teaser! You can get a lot more than these AWS interview questions. Where you may ask? Well, the place is our AWS training sessions, the time and other details you can find out right here! Plus, you know that an AWS certification can always make you two steps ahead of your competitors. Isn’t it? So hurry up, and get one for yourself too!
NovelVista Learning Solutions is a professionally managed training organization with specialization in certification courses. The core management team consists of highly qualified professionals with vast industry experience. NovelVista is an Accredited Training Organization (ATO) to conduct all levels of ITIL Courses. We also conduct training on DevOps, AWS Solution Architect associate, Prince2, MSP, CSM, Cloud Computing, Apache Hadoop, Six Sigma, ISO 20000/27000 & Agile Methodologies.
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