High value AWS-Certified-Developer-Associate Exam Dumps 2021

NEW QUESTION 1
When you register an actMty in Amazon SWF, you provide the following information, except:

• A. a name
• B. timeout values
• C. a domain
• D. version

Answer: C

Explanation: When designing an Amazon SWF workflow, you precisely define each of the required actMties. You then register each actMty with Amazon SWF as an actMty type. When you register the actMty, you provide information such as a name and version, and some timeout values based on how long you expect the actMty to take.
Reference: http://docs.aws.amazon.com/amazonswf/latest/developerguide/swf-dg-intro-to-swf.html

NEW QUESTION 2
A corporate web application is deployed within an Amazon VPC, and is connected to the corporate data center via IPSec VPN. The application must authenticate against the on-premise LDAP server. Once authenticated, logged-in users can only access an S3 keyspace specific to the user.
Which two approaches can satisfy the objectives? Choose 2 answers

• A. The application authenticates against LDA
• B. The application then calls the IAM Security Service to login to IAM using the LDAP credential
• C. The application can use the IAM temporary credentials to access the appropriate S3 bucket.
• D. The application authenticates against LDAP, and retrieves the name of an IAM role associated with the use
• E. The application then calls the IAM Security Token Service to assume that IAM Rol
• F. The application can use the temporary credentials to access the appropriate S3 bucket.
• G. The application authenticates against IAM Security Token Service using the LDAP credential
• H. The application uses those temporary AWS security credentials to access the appropriate S3 bucket.
• I. Develop an identity broker which authenticates against LDAP, and then calls IAM Security Token Service to get IAM federated user credential
• J. The application calls the identity broker to get IAM federated user credentials with access to the appropriate S3 bucket.
• K. Develop an identity broker which authenticates against IAM Security Token Service to assume an IAM Role to get temporary AWS security credential
• L. The application calls the identity broker to get AWS temporary security credentials with access to the appropriate S3 bucket.

Answer: BD

NEW QUESTION 3
What is the maximum number of tags that a user can assign to an EC2 instance?

• A. 50
• B. 10
• C. 5
• D. 25

Answer: B

Explanation: To help manage EC2 instances as well as their usage in a better way, the user can tag the instances. The tags are metadata assigned by the user which consists of a key and a value. One resource can have a maximum of 10 tags.
Reference: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/Using_Tags.html

NEW QUESTION 4
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 5
When should a user try to Force Detach an EBS volume?

• A. If the volume is stuck in a detaching state
• B. If the volume is not accessible from the instance
• C. If the volume is not unmounted and the user still wants to detach
• D. If the volume is a root volume

Answer: A

Explanation: If an EBS volume stays in the detaching state, the user can force the detachment by clicking Force Detach. Forcing the detachment can lead to either data loss or a corrupted file system. The user should use this option only as a last resort to detach a volume from a failed instance or if he is detaching a volume with the intention of deleting it.
Reference: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-detaching-volume.html

NEW QUESTION 6
In DynamoDB, could you use IAM to grant access to Amazon DynamoDB resources and API actions?

• A. Yes
• B. Depended to the type of access
• C. In DynamoDB there is no need to grant access
• D. No

Answer: A

Explanation: Amazon DynamoDB integrates with AWS Identity and Access Management (IAM). You can use AWS IAM to grant access to Amazon DynamoDB resources and API actions. To do this, you first write an AWS IAM policy, which is a document that explicitly lists the permissions you want to grant. You then attach that policy to an AWS IAM user or role.
Reference: http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/UsingIAMWithDDB.htmI

NEW QUESTION 7
Regarding Amazon SNS, to send messages to a queue through a topic, you must subscribe the queue to the Amazon SNS topic. You specify the queue by its .

• A. ARN
• B. Token
• C. Registration ID
• D. URL

Answer: A

Explanation: In Amazon SNS, to send messages to a queue through a topic, you must subscribe the queue to the Amazon SNS topic. You specify the queue by its ARN.
Reference: http://docs.aws.amazon.com/sns/latest/dg/SendMessageToSQS.htmI

NEW QUESTION 8
A user is creating an ELB with VPC. Which of the following options is available as a part of the "Add EC2 instances" page?

• A. Select Subnet
• B. Select IAM
• C. Select ENI
• D. Select VPC

Answer: A

Explanation: When a user is launching an ELB with VPC, he/she has to select the options, such as subnet and security group before selecting the instances part of that subnet.
Reference:
http://docs.aws.amazon.com/EIasticLoadBaIancing/latest/Deve|operGuide/elb-getting-started.htmI

NEW QUESTION 9
What does Amazon SQS provide?

• A. An asynchronous message queue service.
• B. A Simple Query Sewer, managed directly by Amazon Web Services.
• C. None of these.
• D. A synchronous message queue service.

Answer: A

Explanation: Amazon SQS stands for Simple Queue Services, and provides a cost-effective way to decouple the components of your application through an asynchronous message queue service
Reference: http://aws.amazon.com/sqs/

NEW QUESTION 10
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 11
How long can you keep your Amazon SQS messages in Amazon SQS queues?

• A. From 120 secs up to 4 weeks
• B. From 10 secs up to 7 days
• C. From 60 secs up to 2 weeks
• D. From 30 secs up to 1 week

Answer: C

Explanation: The SQS message retention period is configurable and can be set anywhere from 1 minute to 2 weeks. The default is 4 days and once the message retention limit is reached your messages will be automatically deleted. The option for longer message retention provides greater filexibility to allow for longer intervals between message production and consumption.
Reference: https://aws.amazon.com/sqs/faqs/

NEW QUESTION 12
The AWS console for DynamoDB enables you to do all the following operations, except:

• A. Set up alarms to monitor your tabIe's capacity usage.
• B. Create, update, and delete tables.
• C. Import Data from other databases or from files.
• D. View your tabIe's top monitoring metrics on real-time graphs from CIoudWatc

Answer: C

Explanation: The AWS console for DynamoDB enables you to do all the above operation but not Importing Data from other databases or from files and it is not possible to do it.
Reference: http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/ConsoIeDynamoDB.html

NEW QUESTION 13
What is the data model of DynamoDB?

• A. "Items", with Keys and one or more Attribute; and "Attribute", with Name and Value.
• B. "Database", which is a set of "TabIes", which is a set of "Items", which is a set of "Attributes".
• C. "TabIe", a collection of Items; "Items", with Keys and one or more Attribute; and "Attribute", with Name and Value.
• D. "Database", a collection of Tables; "TabIes", with Keys and one or more Attribute; and "Attribute", with Name and Value.

Answer: C

Explanation: The data model of DynamoDB is: "TabIe", a collection of Items;
"Items", with Keys and one or more Attribute; "Attribute", with Name and Value.
Reference: http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/DataModeI.html

NEW QUESTION 14
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 15
Which code snippet below returns the URL of a load balanced web site created in CIoudFormation with an AWS::EIasticLoadBaIancing::LoadBaIancer resource name "EIasticLoad BaIancer"?

• A. "Fn::Join" : [ '‘'‘ . ["http://", {"Fn::GetAtr" : ["EIasticLoadBalancer","DNSName"]}]]
• B. "Fn::Join" : [ '‘'‘ . ["http://", {"Fn::GetAtr" : ["E|asticLoadBa|ancer","Ur|"]}]]
• C. "Fn::Join" : [ '‘'‘ . ["http://", {"Ref" : "EIasticLoadBaIancerUr|"}]]
• D. "Fn::Join" : ["http://", {"Ref" : "EIasticLoadBaIancerDNSName"}]]

Answer: B

NEW QUESTION 16
What item operation allows the retrieval of multiple items from a DynamoDB table in a single API call?

• A. Getltem
• B. BatchGetItem
• C. GetMu|tip|e|tems
• D. GetItemRange

Answer: B

NEW QUESTION 17
Which of the following services are included at no additional cost with the use of the AWS platform? Choose 2 answers

• A. Simple Storage Service
• B. Elastic Compute Cloud
• C. Auto Scaling
• D. Elastic Load Balancing
• E. CIoudFormation
• F. Simple Workflow Service

Answer: CE

NEW QUESTION 18
In relation to Amazon SQS, how many queues and messages can you have per queue for each user?

• A. Unlimited
• B. 10
• C. 256
• D. 500

Answer: A

Explanation: Amazon SQS supports an unlimited number of queues and unlimited number of messages per queue for each user. Please be aware that Amazon SQS automatically deletes messages that have been in the queue for more than 4 days.
Reference: https://aws.amazon.com/items/1343?externaIID=1343