AWS-Certified-Developer-Associate | 100% Correct Amazon AWS-Certified-Developer-Associate Pdf Online

NEW QUESTION 1
An EC2 instance has one additional EBS volume attached to it. How can a user attach the same volume to another running instance in the same AZ?

• A. Terminate the first instance and only then attach to the new instance
• B. Attach the volume as read only to the second instance
• C. Detach the volume first and attach to new instance
• D. No need to detac
• E. Just select the volume and attach it to the new instance, it will take care of mapping internally

Answer: C

Explanation:
If an EBS volume is attached to a running EC2 instance, the user needs to detach the volume from the original instance and then attach it to a new running instance. The user doesn't need to stop / terminate the original instance.
Reference: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-detaching-volume.html

NEW QUESTION 2
A user has created photo editing software and hosted it on EC2. The software accepts requests from the user about the photo format and resolution and sends a message to S3 to enhance the picture accordingly. Which of the below mentioned AWS services will help make a scalable software with the AWS infrastructure in this scenario?

• A. AWS Elastic Transcoder
• B. AWS Simple Notification Service
• C. AWS Simple Queue Service
• D. AWS Glacier

Answer: C

Explanation:
Amazon Simple Queue Service (SQS) is a fast, reliable, scalable, and fully managed message queuing service. SQS provides a simple and cost-effective way to decouple the components of an application. The user can configure SQS, which will decouple the call between the EC2 application and S3. Thus, the application does not keep waiting for S3 to provide the data.
Reference: http://aws.amazon.com/sqs/faqs/

NEW QUESTION 3
After launching an instance that you intend to serve as a NAT (Network Address Translation) device in a public subnet you modify your route tables to have the NAT device be the target of internet bound traffic of your private subnet. When you try and make an outbound connection to the Internet from an instance in the private subnet, you are not successful.
Which of the following steps could resolve the issue?

• A. Attaching a second Elastic Network interface (ENI) to the NAT instance, and placing it in the private subnet
• B. Attaching a second Elastic Network Interface (ENI) to the instance in the private subnet, and placing it in the public subnet
• C. Disabling the Source/Destination Check attribute on the NAT instance
• D. Attaching an Elastic IP address to the instance in the private subnet

Answer: C

NEW QUESTION 4
A user is trying to share a video file with all his friends. Which of the below mentioned AWS services will be cheapest and easy to use?

• A. AWS S3
• B. AWS EC2
• C. AWS RRS
• D. AWS Glacier

Answer: C

Explanation:
AWS RRS provides the same functionality as AWS S3, but at a cheaper rate. It is ideally suited for non mission critical applications. It provides less durability than S3, but is a cheaper option.
Reference: http://docs.aws.amazon.com/AmazonS3/Iatest/dev/UsingRRS.htmI

NEW QUESTION 5
In regards to VPC, select the correct statement:

• A. You can associate multiple subnets with the same Route Table.
• B. You can associate multiple subnets with the same Route Table, but you can't associate a subnet with only one Route Table.
• C. You can't associate multiple subnets with the same Route Table.
• D. None of thes

Answer: A

Explanation:
Every subnet in your VPC must be associated with exactly one Route Table. However, multiple subnets can be associated with the same Route Table.
Reference: http://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/VPC_Route_TabIes.html

NEW QUESTION 6
In regard to DynamoDB, which of the following statements is correct?

• A. An Item should have at least two value sets, a primary key and another attribute.
• B. An Item can have more than one attributes.
• C. A primary key should be single-valued.
• D. An attribute can have one or several other attribute

Answer: B

Explanation:
In Amazon DynamoDB, a database is a collection of tables. A table is a collection of items and each item
is a collection of attributes.
Reference: http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/DataModeI.html

NEW QUESTION 7
An Amazon S3 bucket, "myawsbucket" is configured with website hosting in Tokyo region, what is the region-specific website endpoint?

• A. www.myawsbucket.ap-northeast-1.amazonaws.com
• B. myawsbucket.s3-website-ap-northeast-I.amazonawscom
• C. myawsbucket.amazonaws.com
• D. myawsbucket.tokyo.amazonaws.com

Answer: B

NEW QUESTION 8
You are providing AWS consulting services for a company developing a new mobile application that will be leveraging Amazon SNS Mobile Push for push notifications. In order to send direct notification messages to indMdual devices each device registration identifier or token needs to be registered with SNS; however the developers are not sure of the best way to do this.
You advise them to:

• A. Bulk upload the device tokens contained in a CSV file via the AWS Management Console.
• B. Let the push notification service (e.
• C. Amazon Device Messaging) handle the registration.
• D. Implement a token vending service to handle the registration.
• E. Call the CreatePIatformEndPoint API function to register multiple device token

Answer: B

NEW QUESTION 9
If a message is retrieved from a queue in Amazon SQS, how long is the message inaccessible to other users by default?

• A. 0 seconds
• B. 1 hour
• C. 1 day
• D. forever
• E. 30 seconds

Answer: E

NEW QUESTION 10
In regard to DynamoDB, can I delete local secondary indexes?

• A. Yes, if it is a primary hash key index
• B. No
• C. Yes, if it is a local secondary indexes
• D. Yes, if it is a Global secondary indexes

Answer: B

Explanation:
In DynamoDB, an index cannot be modified once it is created. Reference: http://aws.amazon.com/dynamodb/faqs/#security_anchor

NEW QUESTION 11
ExamKiIIer (with AWS account ID H1122223333) has created 50 IAM users for its orgAMzation’s employees. ExamKiIIer wants to make the AWS console login URL for all IAM users as: https:// examkiI|er.signin.aws.amazon.com/conso|e/. How can this be configured?

• A. Create a bucket with the name ExamKiI|er and map it with the IAM alias
• B. It is not possible to have capital letters as a part of the alias name
• C. The user needs to use Route 53 to map the ExamKiIIer domain and IAM URL
• D. For the AWS account, create an alias ExamKiIIer for the IAM login

Answer: B

Explanation:
If a user wants the URL of the AWS IAM sign-in page to have the company name instead of the AWS
account ID, he can create an alias for his AWS account ID. The alias must be unique across all Amazon Webservices products and contain only digits, lowercase letters, and hyphens.
Reference: http://docs.aws.amazon.com/IAM/latest/UserGuide/AccountAIias.html

NEW QUESTION 12
Is there a limit to how much throughput you can get out of a single table in DynamoDB?

• A. Yes, not more than 1,000 writes/second or 1,000 reads/second
• B. No
• C. Yes, not more than 10,000 writes/second or 10,000 reads/second
• D. No, but If you wish to exceed throughput rates of 10,000 writes/second or 10,000 reads/second, you must first contact AWS.

Answer: D

Explanation:
In DynamoDB, you can increase the throughput you have provisioned for your table using UpdateTabIe API or in the AWS Management Console. If you wish to exceed throughput rates of 10,000 writes/second or 10,000 reads/second, you must first contact AWS.
Reference: http://aws.amazon.com/dynamodb/

NEW QUESTION 13
A user is planning to host a mobile game on EC2 which sends notifications to active users on either high score or the addition of new features. The user should get this notification when he is online on his mobile device. Which of the below mentioned AWS services can help achieve this functionality?

• A. AWS Simple Notification Service.
• B. AWS Simple Queue Service.
• C. AWS Mobile Communication Service.
• D. AWS Simple Email Servic

Answer: A

Explanation:
Amazon Simple Notification Service (Amazon SNS) is a fast, filexible, and fully managed push messaging service. Amazon SNS makes it simple and cost-effective to push to mobile devices, such as iPhone, iPad, Android, Kindle Fire, and internet connected smart devices, as well as pushing to other distributed services.
Reference: http://aws.amazon.com/sns

NEW QUESTION 14
A user has launched five instances with ELB. How can the user add the sixth EC2 instance to ELB?

• A. The user can add the sixth instance on the fly.
• B. The user must stop the ELB and add the sixth instance.
• C. The user can add the instance and change the ELB config file.
• D. The ELB can only have a maximum of five instance

Answer: A

Explanation:
Elastic Load Balancing automatically distributes incoming traffic across multiple EC2 instances. You create a load balancer and register instances with the load balancer in one or more Availability Zones. The load balancer serves as a single point of contact for clients. This enables you to increase the availability of your application. You can add and remove EC2 instances from your load balancer as your needs change, without disrupting the overall flow of information.
Reference: http://docs.aws.amazon.com/E|asticLoadBaIancing/latest/DeveIoperGuide/Svclntro.htm|

NEW QUESTION 15
How many types of block devices does Amazon EC2 support?

• A. 5
• B. 1
• C. 2
• D. 4

Answer: C

Explanation:
Amazon EC2 supports 2 types of block devices. Reference:
http://docs.amazonwebservices.com/AWSEC2/latest/UserGuide/block-device-mapping-concepts.html

NEW QUESTION 16
A user has setup Multi AZ with the MS SQL RDS instance. Which of the below mentioned functionalities can be achieved by the user?

• A. High availability
• B. Scalability
• C. MS SQL does not support Multi AZ
• D. Disaster recovery

Answer: C

Explanation:
The Multi AZ feature allows the user to achieve High Availability. MS SQL does not support Multi AZ. Reference: https://aws.amazon.com/rds/faqs/#36

NEW QUESTION 17
A user had defined an IAM policy similar to the one given below on a bucket:
{
"Version": "2012-10-17",
"Statement": [{
"Effect": "A||ow",
"PrincipaI": {
"AWS": "arn:aws:iam::12112112:user/test"
}!
"Action": [ "s3:GetBucketLocation", "s3:ListBucket", "s3:GetObject"
]!
"Resource": [ "arn:aws:s3:::examkiI|er"
}
}
What will this do?

• A. It will result in an error saying invalid policy statement
• B. It will create an IAM policy for the user test
• C. Allows the user test of the AWS account ID 12112112 to perform GetBucketLocation, ListBucket and GetObject on the bucket examkiller
• D. It will allow all the IAM users of the account ID 12112112 to perform GetBucketLocation, ListBucket and GetObject on bucket examkiller

Answer: C

Explanation:
The IAM policy allows to test a user in the account 12112112 to perform: s3:GetBucketLocation
s3:ListBucket s3:GetObject
Amazon S3 permissions on the examkiller bucket.
Reference: http://docs.aws.amazon.com/AmazonS3/Iatest/dev/access-policy-language-overview.html

NEW QUESTION 18
When you use the AWS Elastic Beanstalk console to deploy a new application you’II need to upload a source bundle and it should .

• A. Consist of a single .zip file
• B. Consist of a single .war file
• C. Consist of a single .zip file or .war file
• D. Consist of a folder with all files

Answer: C

Explanation:
When you use the AWS Elastic Beanstalk console to deploy a new application or an application version, you’II need to upload a source bundle. Your source bundle must meet the following requirements: Consist of a single .zip file or .war file
Not exceed 512 MB
Not include a parent folder or top-level directory (subdirectories are fine) Reference:
http://docs.aws.amazon.com/elasticbeanstaIk/latest/dg/using-features.depIoyment.source.html

NEW QUESTION 19
A user is using an EBS backed instance. Which of the below mentioned statements is true?

• A. The user will be charged for volume and instance only when the instance is running
• B. The user will be charged for the volume even if the instance is stopped
• C. The user will be charged only for the instance running cost
• D. The user will not be charged for the volume if the instance is stopped

Answer: B

Explanation:
If a user has launched an EBS backed instance, the user will be charged for the EBS volume even though the instance is in a stopped state. The instance will be charged for the EC2 hourly cost only when it is running.
Reference: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-detaching-volume.html

NEW QUESTION 20
A user has created an EBS volume with 1000 IOPS. What is the average IOPS that the user will get for most of the year as per EC2 SLA if the instance is attached to the EBS optimized instance?

• A. 900
• B. 990
• C. 950
• D. 1000

Answer: A

Explanation:
As per AWS SLA if the instance is attached to an EBS-Optimized instance, then the Provisioned IOPS volumes are designed to deliver within 10% of the provisioned IOPS performance 99.9% of the time in a given year. Thus, if the user has created a volume of 1000 IOPS, the user will get a minimum 900 IOPS 99.9% time of the year.
Reference: http://aws.amazon.com/ec2/faqs/

NEW QUESTION 21
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