Latest EC2 Interview Questions for DevOps & AWS Engineer Jobs

By Manish saini

 



1. Basic Level EC2 Interview Questions

ये वो सवाल हैं जो किसी भी fresher या beginner से ज़रूर पूछे जाते हैं।

1.What is Amazon EC2?


2.What are the benefits of using EC2?


3.What is the difference between EC2 and a physical server?


4.What are EC2 instance types? Name a few.


5.What is an AMI (Amazon Machine Image)?


6.How do you launch an EC2 instance?


7.What is the difference between On-Demand, Reserved, and Spot Instances?


8.What is the difference between EBS and Instance Store?


9.What is Elastic IP in EC2?


10.What is the default limit of EC2 instances per region?

11.Can we stop and restart a Spot Instance?

12.How to connect to EC2 instance using SSH?

13.What is Key Pair in EC2?

14.What is the difference between public and private IP?

15.What is the difference between rebooting and stopping an EC2 instance?


2. Intermediate Level EC2 Interview Questions
ये तब पूछे जाते हैं जब interviewer देखना चाहता है कि आपको practical और configuration का knowledge है।

16.What is the difference between vertical scaling and horizontal scaling in EC2?

17.How can you change the instance type of a running EC2?

18.What happens to data on EBS when you stop or terminate an EC2 instance?

19.How do you secure an EC2 instance?

20.What are Security Groups in EC2?

21.What is the difference between Security Groups and NACLs for EC2?

22.Can you attach multiple EBS volumes to a single EC2 instance?

23.What is the difference between Elastic Network Interface (ENI) and Elastic IP?

24.How to recover a lost key pair for EC2 instance?

25.What are Placement Groups in EC2? Types?

26.What is the use of EC2 Hibernate feature?

27.How do you create a custom AMI from an existing EC2 instance?

28.How to schedule automatic start and stop of EC2 instances?

29.How to enable detailed monitoring for EC2?

30.What is EC2 Instance Metadata and how can you access it?


3. Advanced Level EC2 Interview Questions
ये सवाल तब पूछे जाते हैं जब interviewer आपके deep AWS concepts और optimization knowledge को चेक करता है।

31.How do you achieve high availability with EC2?

32.What is EC2 Auto Scaling? How to configure it?

33.How to reduce EC2 cost?

34.What is the difference between Dedicated Host, Dedicated Instance, and Shared Tenancy?

35.Explain the difference between EBS volume types (gp3, gp2, io1, io2, st1, sc1).

36.What is the difference between EC2 instance store and EFS?

37.How do you perform Blue-Green deployment using EC2?

38.How to migrate an EC2 instance from one region to another?

39.How does Elastic Load Balancer work with EC2?

40.Explain the concept of EC2 Capacity Reservations.

41.What is the difference between EC2 User Data and EC2 Metadata?

42.What is the difference between warm, cold, and hot standby in EC2 disaster recovery?

43.How does EC2 handle network performance optimization?

44.What is Nitro System in EC2?

45.What happens to the Elastic IP when an instance is terminated?

46.Can we encrypt the root volume of an EC2 instance? How?

47.Explain EC2 Instance Lifecycle.

48.How do you monitor EC2 performance using CloudWatch metrics?

49.What is the maximum number of ENIs that can be attached to an EC2 instance?

50.How to troubleshoot EC2 connectivity issues?


 


Thank you 😊😉






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