1. What is the difference between stopping and terminating an EC2 instance? How can you add an existing instance to a new Auto Scaling group?
2. How do you configure CloudWatch to recover an EC2 instance?
3. How do you configure CloudWatch to recover an EC2 instance?
4. What is the difference between Latency Based Routing and Geo DNS? How does Amazon Route 53 provide high availability and low latency? What is the difference between a Domain and a Hosted Zone?
5. What are the elements of an AWS CloudFormation template?
6. What happens in CloudFormation when one of the resources in a stack cannot be created successfully?
7. What are the steps involved in a CloudFormation Solution?
8. How does AWS config work with AWS CloudTrail?
9. Can AWS Config aggregate data across different AWS accounts?
10. How are reserved instances different from on-demand DB instances?
11. Which type of scaling would you recommend for RDS and why?
12. What is a maintenance window in Amazon RDS? Will your DB instance be available during maintenance events?
13. What are the consistency models in DynamoDB?
14. What type of query functionality does DynamoDB support?
15. What are the different types of load balancers in AWS?
16. What are the different uses of the various load balancers in AWS Elastic Load Balancing?
17. How can you use AWS WAF in monitoring your AWS applications?
18. What are the different AWS IAM categories that you can control?
19. What is the difference between an IAM role and an IAM user?
20. What are the managed policies in AWS IAM?
21. Can you give an example of an IAM policy and a policy summary?
22. How does AWS IAM help your business?
23. What is the relation between the Availability Zone and Region?
24. What is auto-scaling?
25. What is geo-targeting in CloudFront?
26. How do you upgrade or downgrade a system with near zero downtime?
27. What are the tools and techniques that you can use in AWS to identify if you are paying more than you should be, and how to correct it?
28. What services can be used to create a centralized logging solution?
29. What are the native AWS Security logging capabilities?
30. What is a DDoS attack and what services can minimize them?
31. You are trying to provide a service in a particular region but you are not seeing the service in that region. Why is this happening and how do you fix it?
32. Name some of the AWS services that are not region specific
33. What are the differences between NAT Gateways and NAT Instances?
34. What are the factors to consider while migrating to Amazon Web Services?
35. What is RTO and RPO in AWS?
36. If you would like to transfer huge amounts of data, which is the best option among Snowball, Snowball Edge, and Snowmobile?
37. What are some key differences between AWS S3 and EBS?
38. How do you allow a user to gain access to a certain S3 bucket?
39. How can you monitor S3 cross region replication to ensure consistency without actually checking the bucket?
40. VPC is not resolving the server through DNS. What might be the issue and how can you fix it?
41. How do you connect multiple sites to a VPC?
42. Name and explain some security products and features available in VPC?
43. How do you monitor Amazon VPC?
44. How can you automate EC2 backup using EBS?
45. What is the difference between EBS and Instance Store?
46. Can you take a backup of EFS like EBS, and if yes, how?
47. What are Key-Pairs in AWS?
48. What is the relation between the Availability Zone and Region?
49. What is a Power User Access in AWS?
50. What is the use of lifecycle hooks is Auto scaling?
51. What is NAT Instance/NAT Gateway?
52. Why is SG?
53. If my RDS is running out of space how will you resolve that without launching other RDS?
54. What is Lambda and how it works?
55. How will you take backups using Lambda?
56. Component of VPC
57. Difference between EC2 and ECS
58. Types of storage in AWS?
59. What is DNS? Uses?
60. Why you won’t go with EC2 for installing Database? Why RDS?
61. What is Load Balancer
62. What is VPC Peering
63. What is CloudFront
64. What is the use of the IAM role?
65. How many subnets assign to the routing table?
66. What is the static IP?
67. How will get access to private subnets?
68. Can you increase the size of root volume without shutdown the instance? What is ELB? How many types are there?
69. What is auto scaling?
70. What is hosted zone and uses of record set?
71. Tyes in R53?
72. How will take up backup for volumes?
73. How to encrypt the root volume?
74. How will access AS account?
75. What is the subnet group in DB?
76. How do you connect to windows instances?
77. Port numbers of RDP, SSH, and HTTPS?
78. What is the difference between EBS, S3, and EFS?
79. What type of data do you store in s3 and EBS?
80. What is s3 Replication?
81. Why use events in cloud watch in AWS?
82. What is the difference between VPC level security and system level security?
83. If you lost the pem file then how will you connect to EC2?
84. You want to store temporary data on an EC2 instance. Which storage option is ideal for this purpose?
85. How do you configures3 bucket?
86. What are EC2 and VPC how we create & write a script?
87. Difference between Vagrant and AWS?
88. What is the use of EC2 AMI?
89. What is the use case of S3 Bucket?
90. My webservers are running in private subnet I want to route my ELB Traffic to web servers in private subnets?
91. What is NAT Instance/NAT Gateway?
92. What is NACL and Security Group
93. If my RDS is running out of space how will you resolve that without launching other RDS?
94. What is Lambda and how it works?
95. How will you take backups using Lambda? Types of storage in AWS?
96. Difference between S3 & Glacier?
97. What is DNS? Uses?
98. Why you won’t go with EC2 for installing Database? Why RDS? What is AWS?
99. What is a cloud?
100. What is EC2?