1. There is a requirement for an application hosted on a VPC to access the On-premise LDAP server. The VPC and the On-premise location are connected via an IPSec VPN. Which of the below are the right options for the application to authenticate each user, Choose 2 answers from the options below(Select 2answers)

A) Develop an identity broker that authenticates against lAM security Token service to assume a lAM role in order to get temporary AWS(Amazon Web Service) security credentials The application calls the Identity broker to get AWS(Amazon Web Service) temporary security credentials.
B) The application authenticates against LDAP the application then calls the AWS(Amazon Web Service) Identity and Access Management (lAM) Security service to log in to lAM using the LDAP credentials the application can use the lAM temporary credentials to access the appropriate AWS(Amazon Web Service) service. x aniwer Is Ir:tzi
C) The application authenticates against LDAP and retrieves the name of an lAM role associated with the use The application then calls the lAM Security Token Service to assume that lAM role. The application can use the temporary credentials to access any AWS(Amazon Web Service) resources
D) Develop an identity broker that authenticates against LDAP and then calls lAM Security Token Service to get lAM federated user credentials. The application calls the identity broker to get lAM federated user credentials with access to the appropriate AWS(Amazon Web Service) service.



2. A user is accessing RDS from an application. The user has enabled the Multi AZ feature with the MS SQL RDS DB. During a planned outage how will AWS(Amazon Web Service) ensure that a switch from DB to a standby replica will not affect access to the application?

A) RDS will have an internal IP which will redirect all requests to the new DB
B) RDS uses DNS to switch over to stand by replica for seamless transition
C) The switch over changes Hardware so RDS does not need to worry about access
D) RDS will have both the DBs running independently and the user has to manually switch over



3. A custom script needs to be passed to a new Amazon Linux instances created in your Auto Scaling group. Which feature allows you to accomplish this?

A) User data
B) AWS Contig.
C) EC2Config service
D) lAM roles



4. You are currently planning on using Auto scaling to launch instances which have an application installed. Which of the below methods will help ensure the instances are up and running in the shortest span of time to take In traffic from the users?

A) Use User Data to launch scripts to install the software.
B) Log into each Instance and Install the software.
C) Use AMrs which already have the software installed.
D) Use Docker containers to launch the software.



5. Your company is planning to develop an application in which the front end is in .Net and the backend is in Dynamo DB. There Is an expectant of a high load on the application. How could you ensure the scalability of the application to reduce the load on the Dynamo DB database? Choose an answer from the options below.

A) Use SQS to assist and let the application pull messages and then perform the relevant operation in Dynamo DB.
B) Launch Dynamo DB in Multi-AZ configuration with a global index to balance writes
C) Add more Dynamo DB databases to handle the load.
D) Increase write capacity of Dynamo DB to meet the peak loads