1. Your company is planning on creating a private hosted zone in AWS. They need to ensure that on-premise devices can reach the resources defined in the private hosted zone. How can this be achieved , ensuring least effort Is put Into setting this up.

A) Create an EC2 instance and install AD Domain services
B) Consider using Simple AD for resolving DNS requests
C) Create an EC2 instance and install a DNS resolver
D) Convert the private hosted zone to a public one



2. You have just recently set up a web and database tier in a VPC and hosted the application. When testing the application , you are not able to reach the home page for the app. You have verified the security groups. What can help you diagnose the issue,

A) Use AWS(Amazon Web Service) Guard Duty to analyze the traffic
B) Use the AWS(Amazon Web Service) Trusted Advisor to see what can be done.
C) Use AWS(Amazon Web Service) WAF to analyze the traffic
D) Use VPC Flow logs to diagnose the traffic



3. Your company is currently planning on using Route53 for managing Blue Green deployments. They have already setup an 80%-20% for a new deployment. How can you ensure to stop sending traffic to the older setup once all testing is complete?

A) Change the resource record weight to 0
B) Delete the weighted resource record
C) Change the resource record weight to 100
D) Change the resource record to a simple routing policy



4. Your team is using applications that are hosted in 2 different regions in AWS. There are EC2 Instances that are performing a replication processes between the applications across regions via their respective Elastic IP?s. It is noticed that the current MTU Is 1500 and there is a need to increase the throughput for the replication traffic. How can this be achieved?

A) This Is not possible
B) Increase the MTU on the Instances
C) Install the Enhanced Networking modules on the instances
D) Create a VPN tunnel between the 2 VPCs and Increase the MTU on the instances



5. Your management is planning on using AWS(Amazon Web Service) Cloud front to speed up distribution of contents to users from an S3 bucket. They are worried on the aspect on whether users will get the ideal response when they request for objects from Cloud front. What would you communicate to them as to how users would get content from Cloud front?

A) If a user requests an object. the user is directed to the origin location for retrieval of the object.
B) As soon as the first byte arrives from the origin. Cloud Front begins to forward the files to the user
C) If a user requests an object. only when the entire object is available, it is sent to the user. This is to ensure a correct end user experience
D) Amazon Cloud Front will respond with an HTTP 404 error.