1. Which of the following is a reliable and durable logging solution to track changes made to your AWS(Amazon Web Service) resources?

A) Create a new Cloud Trail with an existing 53 bucket to store the logs and with the global services option selected. Use S3 ACL5 and Multi Factor Authentication (MFA) Delete on the S3 bucket that stores your logs.
B) Create a new Cloud Trail with one new 53 bucket to store the logs and with the global services option selected. Use AM roles S3 bucket policies and Multi Factor Authentication (MFA) Delete on the S3 bucket that stores your logs.
C) Create three new Cloud Trail trails with three new S3 buckets to store the logs one for the AWS(Amazon Web Service) Management console, one for AWS(Amazon Web Service) SDK5 and one for command line tools. Use IAM roles and 53 bucket policies on the 53 buckets that store your logs.
D) Create a new Cloud Trail with one new 53 bucket to store the logs. Configure SNS to send log file delivery notifications to your management system. Use IAM roles and 53 bucket policies on the 53 bucket that stores your logs.



2. There is a company website that is going to be launched in the coming weeks. There is a probability that the traffic will be quite high in the ffrst couple of weeks. In the event of a load failure, how can you set up DNS fall over to a static website? Choose the correct answer from the options given below?

A) Add more servers in case the application fails.
B) Enable failover to an on-premise data center to the application hosted there.
C) Use Route 53 with the failover option to failover to a static S3 website bucket or Cloud Front distribution.
D) Duplicate the exact application architecture in another region and configure DNS weight-based routing



3. Your company uses an application hosted in AWS(Amazon Web Service) which consists of EC2 Instances. The logs of the EC2 instances need to be processed and analyzed in real time , since this is a requirement from the IT Security department. Which of the following can be used to process the logs in real time?

A) Use Cloud watch logs to process and analyze the logs in real time
B) Use another EC2 Instance with a larger instance type to process the logs
C) Use Amazon Glacier to store the logs and then use Amazon Kinesis to process and analyze the logs in real
D) Use Amazon 53 to store the logs and then use Amazon Kinesis to process and analyze the logs in real time.



4. Your company is hosting an application in AWS. The application consists of a set of web servers and AWS(Amazon Web Service) RDS. The application is a read intensive application. It has been noticed that the response time of the application decreases due to the load on the AWS(Amazon Web Service) RDS instance. Which of the following measures can be taken to scale the data tier. Choose 2 answers from the options given below Please select:(Select 2answers)

A) Use SQS to cache the database queries
B) Use Elastic Cache in front of your Amazon RDS DB to cache common queries.
C) Use Auto scaling to scale out and scale in the database tier
D) Create Amazon DB Read Replica?s. Configure the application layer to query the read replica?s for query needs.



5. As part of your deployment pipeline, you want to enable automated testing of your AWS(Amazon Web Service) Cloud Formation template. What testing should be performed to enable faster feedback while minimizing costs and risk? Select three answers from the options given below ?(Select 3answers)

A) When creating the stack. specify an Amazon SNS topic to which your testing system Is subscribed. Your testing system runs tests when it receives notification that the stack is created or updated.
B) Validate the template?s is syntax using a general JSON parser.
C) Validate the AWS(Amazon Web Service) Cloud Formation template against the official XSD scheme definition published by Amazon Web Services.
D) Use the AWS(Amazon Web Service) Cloud Formation Validate Template to validate the syntax of the template
E) Use the AWS(Amazon Web Service) Cloud Formation Validate Template to validate the properties of resources defined in the template.
F) Update the stack with the template. If the template fails rollback will return the stack and its resources to exactly the same state.