1. Benefit of using S3 Glacier?

2. Ou created a VPC that has a public subnet and a private subnet. A web server was placed in the public subnet and a database server was placed in the private subnet. The web server is able to connect to the database server; however, the database server at 10.0.1.2 is unable to get software updates. What is the cause of this issue?

3. How do you assign an Elastic IP to several EC2 instances?

4. You have enabled Multi-Factor Authentication (MFA) for your AWS root account and you lost your MFA device. What do you need to do to recover access to your account?

5. You are migrating a 200 GB database from an on-premise SQL Server to RDS for SQL Server. The database needs to have minimal downtime during the migration. What is the best practice for migrating this database?

6. How do you connect via SSH to a Linux EC2 instance with an EBS volume if you lost your key pair?

7. You have recently launched your new web product and are expecting 1,000 new users each month. However, you have just received word from the CEO that your product will be featured at an upcoming conference covered by several media outlets, and this could lead to 20,000 new users over the next week. How do you plan for a sudden increase in traffic?

8. You have replicated the infrastructure that serves the backend API for your web application across regions to better serve your customers in the US and the EU. What is the best way to direct your web application at the nearest data center?

9. What is not a default user of a common Linux instance launched from an AMI?

10. You have an analytics suite that produces reports about the usage patterns of your web application. After completing your migration to AWS and using Application Load Balancer to balance the load across your web application, your marketing department noticed that location-based reports on the web traffic only show traffic originating from a single location. What is the problem?

11. What type of data solution should you use for data coming from nonrelational and relational data from IoT devices, websites, mobile apps, etc.?

12. You want to make your public API quickly accessible from all regions. What is the best way to do this?

13. Which AWS service can host the web application server for a WordPress site?

14. You are going to host an application that uses a MySQL database. Which database should you select if you don't want to manage scaling or database administration tasks?

15. When sending a large volume of email through SES, what is the most important set of metrics to monitor?

16. You have an application that generates long-running reports, stores them in an S3 bucket, and then emails the user who requested the report with a link to download it. What is the best practice for storing the report data in S3?

17. To comply with auditing requirements of some compliance standards, which AWS tool can be enabled to maintain an audit log of access and changes to your AWS infrastructure?

18. What is wrong with the third incoming security group rule, which allows all traffic from sg-269afc5e to go to an Ubuntu EC2 instance configured as a web server?

19. What is the best EC2 instance class for a server that continuously has a heavy CPU load?

20. When creating a new RDS instance, what does the Multi-AZ option do?

21. You are migrating an on-premise RabbitMQ cluster into AWS. Which migration path should you choose for ease of both maintenance and deployment?

22. What option is best for Auto Scaling your EC2 instances for predictable traffic patterns?

23. Which big data store will let you store large streams of user activity data coming from both web and mobile applications?

24. Your company has on-premise servers with an existing onsite backup solution that also replicates backups to another campus on the other side of the country with its own on-site backup solution. You have been asked to create a third level of redundancy by also storing these backups in the cloud. In the event of a primary and secondary backup failure, your boss wants to know that the cloud backups can be accessible as fast as possible to reduce downtime during the recovery. What S3 storage class do you recommend for cost and performance?

25. A nontechnical client wants to migrate a WordPress site to AWS from a private server managed by a third-party hosting company. Which AWS service should you recommend to migrate the site to?

26. An EC2 instance running a WordPress site keeps getting hacked, even though you have restored the server several times and have patched WordPress. What AWS service can help you detect and prevent further attacks?

27. The outbound rules of a security group only allow traffic going to 0.0.0.0/0 on TCP Port 22 (SSH) and TCP port 3306 (MySQL). Review the inbound rules listed in the image below. What is the most important issue to fix with this security group configuration, for an Ubuntu EC2 instance acting as a web server?

28. You have a fleet of IoT devices that send telemetry to a server-side application provided by your IoT vendor for decoding a proprietary messaging format. The devices are provisioned to send telemetry reports to your server via UDP on port 6339. What is the best way scale this server as more Iot devices are added to your fleet?

29. What happens to a SQL Server RDS instance if the databases increase in size and go over the allocated space?

30. In addition to CloudFormation, you can use other orchestration tools to automate server formation and maintenance. Which tool is not an efficient choice for the orchestration of a large infrastructure?

31. What is the best practice for maintaining Windows EC2 instances and applying updates?

32. Your web application is getting a suspicious amount of bad requests from foreign IP addresses. Your business is operating in only a few countries and you would like to block any other traffic. What is the best practice for limiting access to your web application by country?

33. Your application is sending 50,000 emails through SES each day. Since you must maintain a low bounce rate to avoid being put on probation, what simple system do you architect to automatically process hard bounces?

34. What privilege is specific to the AWS root account, and cannot be granted to another IAM user on the account?

35. N the S3 console, underneath the Access column, what does the public badge next to the bucket name indicate?

36. What service can host your Docker containers?

37. If a set of servers are located within a private subnet of your VPC, how can you connect those servers to on-premise servers?

38. Which feature can be used to respond to a sudden increase in web traffic?

39. You have a T2 EC2 instance that is critical to your infrastructure. How would you monitor the most important metric for this instance?

40. As your web application grows and your application monitoring needs become more complex, which additional log monitoring service should you NOT consider?

41. You have 14 on-premise web servers, 4 database servers, 6 servers using GIS software, 3 file servers, and 4 development servers. What considerations should you take into account when migrating these servers into AWS?

42. You have a Linux EC2 instance that is not responding to requests and you can not connect to it via SSH. Using the EC2 console, you issued a command to stop the instance, but for the past 10 minutes the instance has been in the "stopping" state. What is the next step you should take?

43. Which of these is a valid restriction on the properties of a VPC?

44. Where is the best place to store database backups on an EC2 instance that is configured as a database server?

45. Can you lose the public IP address associated with your EC2 instance?

46. What does a VPC do?

47. Application Load Balancer can route traffic to several different target groups based upon several conditions. Which of these use cases is not supported by Application Load Balancer?

48. You are running Docker containers on ECS. What is the most important metric to monitor?

49. What's the best practice for horizontally scaling a legacy ASP.NET web application that relies on Active Directory and is currently deployed to a single Windows EC2 instance?

50. When launching an EC2 instance with an instance type that supports instance storage, what use case is best for instance storage?

51. A new developer has been added to the team and you have been asked to provide access to the organization's AWS account. What is the best practice for granting access?

52. You created a new Linux EC2 instance and installed PostgreSQL but you are not able to establish a connection to the server from your local computer. What steps do you take to resolve this issue?

53. What is the best practice for creating a highly available PostgreSQL database in RDS that can sustain the loss of a single AWS region?

54. You have several on-premise servers and would like to store your offsite backups on AWS. What fully managed backup service can you use to ship your backups to AWS?

55. You have a Linux EC2 web server that suddenly is timing out on all HTTP requests and your SSH connection attempts are timing out. You notice that it is failing the system status check in the EC2 console. What action should you take?

56. You have four front-end web servers behind a load balancer, which use NFS to access another EC2 instance that resizes and stores images for the front-end application. What security group policies should be assigned to these servers?

57. You created a Windows EC2 instance with a public IP address and installed SQL Server. When attempting to connect to SQL Server from SQL Server Enterprise Manager on your local computer, the Windows EC2 instance is unable to establish a connection to the server. What is the first thing you should check?

58. A principle of DevOps is to view infrastructure as code. Which AWS service allows you to script your AWS infrastructure?

59. When designing a serverless web application using Lambda, what key concept must you factor into your design?

60. Which communication channel does SNS not support natively?

61. You need a schemaless database. Which Amazon database service provides that solution?

62. What data store provides a simple and quick way of storing basic user attributes in an object-based format?

63. You are creating a DynamoDB table to store all movies that have been released since 1938. Your application will allow users to search by movie title and see the details of that film. Given the sample below showing the movie data that you will be importing, what is the best set of keys to apply to this table? { "title": "The Avengers", "year": 2012, "cast": ["Mark Ruffalo", "Robert Downey, Jr."], "genres": ["Action"]}

64. When using AWS for research and development ahead of a planned migration, how do you prevent unexpected increases or spikes in the billing?

65. Which AWS service can be used to help generate the documentation required by various compliance standards, such as Payment Card Industry Data Security Standard (PCI DSS) Level 1 for the handling of credit card data?

66. What in-memory caching server is not supported by ElastiCache?

67. When using an ECS cluster with EC2 instances, what maintenance tasks should you perform on the EC2s?

68. What does it cost to launch an EC2 instance from the AWS Marketplace?

69. How do you architect a solution for an SQL Server database to be replicated across AWS regions in an active-active architecture?

70. Which Elastic Load Balancing option supports Lambda as a target?

71. For your AWS root account, you have generated a random password of the maximum allowed length and included special characters. Which additional steps should you take to secure your AWS root account?

72. You have a large amount of files on your network-attached storage array that must be archived and maintained for a period of 10 years due to industry regulations. This data will be infrequently accessed but must be kept What is the best AWS service for storing this data?

73. Which AWS service complies with the standards outlined in Payment Card Industry Data Security Standard (PCI DSS) Level 1 for the handling and transmission of credit card data?

74. What AWS services can help you automate your development pipeline for continuous integration and continuous deployment?

75. Your database is an RDS instance running SQL Server with Multi-AZ replication and you have several older .NET console utilities that perform database operations every 15 seconds. When the cluster has to switch the primary database server to the secondary AZ, the .NET utilities start to report connection failures to the database although other applications are able to access the database. How do you correct this problem?

76. Which database is a NoSQL database type that can quickly store and retrieve key-value pairs?

77. You have an application using a 100 GB MySQL database that you are migrating into AWS. What should you consider when deciding between whether to host the database on RDS for MySQL or Aurora?

78. Which option refers to this statement: Edits an existing item's attributes, or adds a new item to the table if it does not already exist. You can put, delete, or add attribute values.

79. AWS DynamoDB is a managed NoSQL database. Regarding creating new DynamoDB tables, which of the following is true ?

80. Which is the correct way to create an SQS endpoint?

81. What are the available regional endpoints for Amazon payments?

82. Which function is correct to map DynamoDB results to a JavaSscript object?

83. Which storage options are available for managed storage?

84. Which option below describes the scenario of 'If the buyer does not have access to payment instructions'?

85. CloudWatch alarm is based on the system-status metric published by?

86. Which is the default value for session timeout for an ELB?

87. Which states are available for an alarm?

88. Which would be the solution to the following problem? (choose all that apply) If your virtual server is started in another availability zone because of an outage, the data stored on the EBS volume is no longer available?

89. AWS RDS Supports ............... server backup and the restore option?

90. With Amazon API Gateway, you can quickly and easily create a custom API to your code except for:

91. What should be done for a NAT instance to allow your EC2 instance on private subnet to connect to the internet?

92. Which is NOT a database management system supported by Amazon RDS ?

93. Which expression correctly describes the use of the API call ‘GetAssignment’?

94. AWS MWS stands for?

95. Which thing can Auto scaling NOT do?

96. What would be the advantage of using AWS SimpleDB for an eCommerce website?

97. How many SSL Certificates can you associate with an ELB Instance?

98. Which command installs the AWS command line interface?

99. Your users complain of a slow service. You are using AWS Elastic Load Balancer (ELB) and your systems admin assures you auto scaling group is configured correctly. What is a possible reason this may be occurring?

100. Which registers the route with Express and Responds with the image process?