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AWS Certified Developer - Associate Questions and Answers (Dumps and Practice Questions)



Question : You are thinking to use EBS PIOPS volume. Which of the below mentioned options is a right use case for the PIOPS EBS volume?
: You are thinking to use EBS PIOPS volume. Which of the below mentioned options is a right use case for the PIOPS EBS volume?
1. Log processing
2. Mongo DB
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4. System boot volume

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Explanation: Provisioned IOPS volumes are designed to meet the needs of I/O-intensive workloads, particularly database workloads that are sensitive to storage performance and consistency in random access I/O throughput. Provisioned IOPS volumes are designed to meet the needs of I/O-intensive workloads, particularly database workloads, that are sensitive to storage performance and consistency in random access I/O throughput business applications, database workloads, such as NoSQL DB, RDBMS, etc.







Question : Which of the below mentioned options ensures that the user requests are always attached to a single instance?
: Which of the below mentioned options ensures that the user requests are always attached to a single instance?
1. Cross zone load balancing
2. Connection drainage
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4. Session affinity

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Explanation: Generally an Elastic Load Balancer routes each request independently to the application instance with the smallest load. However, the user can enable the sticky session feature (also known as session affinity) which enables the load balancer to bind a user's session to a specific application instance. This ensures that all requests coming from the user during the session will be sent to the same application instance.






Question : You have enabled Application-Controlled Session Stickiness. The instance the user's session was bound to becomes unhealthy for minutes.
The unhealthy instance becomes healthy again after 10 minutes. What will ELB do in this case?
: You have enabled Application-Controlled Session Stickiness. The instance the user's session was bound to becomes unhealthy for minutes.
1. ELB will throw an error
2. ELB will try to route the sticky session to another healthy application server
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4. ELB will route requests to the original instance again

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Explanation: If an application server fails or is removed, the Elastic Load Balancer will try to route the sticky session to another healthy application server. The load balancer will try to stick to a new healthy application server and continue routing to the currently sick application server even after the failed application server comes back. However, it is up to the new application server on how it will respond to a request which it has not seen previously.



Related Questions

Question : With regards to DynamoDB, For each secondary index, you must specify which the following:

1. The type of index to be created
2. A name for the index
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4. For a global secondary index, you must specify read and write capacity unit settings
5. The key schema for the index.
: With regards to DynamoDB, For each secondary index, you must specify which the following:
1. 1,2,3,5
2. 1,2,3,4
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4. 1,2,5
5. All 1,2,3,4,5


Question : For AWS CloudFormation Resources, if you want to map an Amazon Elastic Block Store to an Amazon EC instance
 : For AWS CloudFormation Resources, if you want to map an Amazon Elastic Block Store to an Amazon EC instance
1. Reference the logical IDs of the instance
2. Reference the logical IDs of both the block stores and the instance
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4. Reference the physical IDs of both the block stores and the instance


Question : In VPC
Network access control lists (ACLs) Act as a firewall for associated subnets, controlling both inbound and outbound traffic at the ___________ level
 : In VPC
1. Full VPC
2. Customer Gateway
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4. Subnet


Question : Restarting an instance in AWS VPC, retains the same primary private IP address ?
 : Restarting an instance in AWS VPC, retains the same primary private IP address ?
1. Yes, It keeps the same primary private IP address
2. No, It does not keep the same primary private IP address
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4. None of the above is correct



Question :

For the CloudFormation once you have been created the resources, which one of the following you can use to identify resources
outside of AWS CloudFormation templates,
:
1. Template
2. Stack ID
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4. Logical IDs


Question :

In VPC for Your Customer Gateway, to establish ephemeral keys to secure all communication between your customer gateway and the virutal private gateway IKE uses

:
1. Utilize the AES 128-bit encryption function
2. Utilize IPsec Dead Peer Detection
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4. Diffie-Hellman Perfect Forward Secrecy in "Group 2" mode