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



Question : How can you have complete separation of the physical hardware for the virtual machines from the other tenants in EC?
: How can you have complete separation of the physical hardware for the virtual machines from the other tenants in EC?
1. Use single tenant option
2. Use enhanced EC2 instances
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4. Use dedicated instances

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Explanation: The dedicated instances are Amazon EC2 instances that run in a Virtual Private Cloud (VPC) on hardware that is dedicated to a single customer. The dedicated instances are physically isolated at the host hardware level from the user's instances that are not dedicated instances and from instances that belong to other AWS accounts







Question : You have launched an EC micro instance from the AWS Linux image and when you are trying to SSH the instance,
it gives a message "No supported Authentication Method" after the user enters the user ID ec2-user.
Which of the below mentioned options is a possible reason for the error?
: You have launched an EC micro instance from the AWS Linux image and when you are trying to SSH the instance,
1. The instance is not configured for security
2. The instance default user name is wrong
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4. The user might not have attached the key-pair with the EC2 instance

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Explanation: If the user has launched an EC2 Linux instance without attaching a key-pair he will be unable to connect to that instance and will receive the "No supported Authentication Method" error.






Question : You have launched an EC instance and wants to launch a similar instance with the same AMI ID,
Instance Type and AZ with ease. What is the option provided by AWS?
: You have launched an EC instance and wants to launch a similar instance with the same AMI ID,
1. Create the instance template and launch it
2. Use the option "Launch More like this" from the AWS console
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4. Use the option "Launch from template" from the AWS console

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Explanation: The Amazon EC2 console provides a "Launch more like this" wizard option that enables the user to use a current instance as a template for launching other instances. This option automatically populates the Amazon EC2 launch wizard with certain configuration details from the selected instance.



Related Questions

Question :

While setting up the 2 level read replica in in RDS , you find the lag between master and 2nd level replication. Which one of the correct cause ?

 :
1. 2nd level read replicas configuration is wrong
2. 2nd level read replica's Harware configuration will always be lower grade then master.
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4. Because of additional replication latency introduced as transactions are replicated from the master to the first level
replica and then to the second-level replica.
5. Any of the above could be correct



Question :

In which of the following scenerio, it is a good idea to create the Amazon RDS replica ?
 :
1. Read-heavy database workloads
2. When source DB Instance is unavailable
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4. Only 1 and 3 are correct.
5. All 1,2 and 3 are correct.




Question : Which of the following statement correctly applies to Amazon VPC
 : Which of the following statement correctly applies to Amazon VPC
1. Amazon VPC lets you create a virtual networking environment in a private, isolated section of the Amazon Web Services (AWS) cloud
2. In Amazon VPC you can have complete control over aspects such as private IP address ranges, subnets, routing tables and network gateways
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4. Only 1 and 3 are correct
5. All 1,2 and 3 are correct



Question :

By default, all instances launched into a non-default VPC will have which of the following hostname e.g. ip-10-0-0-202
 :
1. A resolvable host name
2. A class D IP address
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4. A class C IP address
5. It is DHCP has IP address keep changing


Question : Which of the following statements about SWF are true? Choose answers
A. SWF tasks are assigned once and never duplicated
B. SWF requires an S3 bucket for workflow storage
C. SWF workflow executions can last up to a year
D. SWF triggers SNS notifications on task assignment
E. SWF uses deciders and workers to complete tasks
F. SWF requires at least 1 EC2 instance per domain


Question : Which DynamoDB limits can be raised by contacting AWS support? Choose answers
A. The number of hash keys per account
B. The maximum storage used per account
C. The number of tables per account
D. The number of local secondary indexes per account
E. The number of provisioned throughput units per account

 : Which DynamoDB limits can be raised by contacting AWS support? Choose answers
1. A,B
2. C,E
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4. D,E