Vivid AWS-Certified-Developer-Associate Dumps Questions 2021

NEW QUESTION 1
A user has launched an RDS instance. The user has created 3 databases on the same server. What can the maximum size be for each database?

• A. The size of each DB cannot be more than 3 TB
• B. It is not possible to have more than one DB on a single instance
• C. The total instance storage size cannot be more than 3 TB
• D. The size of each DB cannot be more than 1 TB

Answer: C

Explanation: The AWS RDS DB instance is an isolated DB environment provided by AWS in which the user can create more than 1 database. The maximum size ofthe instance should be between 5 GB and 3 TB. The size of each DB can be anything in this range.
Reference: http://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Welcome.html

NEW QUESTION 2
When a user is launching an instance with EC2, which of the below mentioned options is not available during the instance launch console for a key pair?

• A. Proceed without the key pair
• B. Upload a new key pair
• C. Select an existing key pair
• D. Create a new key pair

Answer: B

Explanation: While launching an EC2 instance, the user can create a new key pair, select an existing key pair or proceed without a key pair. The user cannot upload a new key pair in the EC2 instance launch console. Reference: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/launching-instance.html

NEW QUESTION 3
Can one instance be registered with two ELBs in the same region?

• A. No
• B. Yes, provided both ELBs have the same health check configuration
• C. Yes, always
• D. Yes, provided both ELBs are in the same AZ

Answer: C

Explanation: Yes, it is possible to have one instance part of two separate ELBs, though both ELBs have different configurations. ELBs are never launched in specific zones.
Reference:
http://docs.aws.amazon.com/EIasticLoadBaIancing/latest/DeveIoperGuide/enable-disable-az.html

NEW QUESTION 4
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 5
ExamKiIIer has three AWS accounts. They have created separate IAM users within each account. ExamKiIIer wants a single IAM console URL such as https://examkiIIer.signin.aws.amazon.com/consoIe/ for all account users. How can this be achieved?

• A. Merge all the accounts with consolidated billing
• B. Create the same account alias with each account ID
• C. It is not possible to have the same IAM account login URL for separate AWS accounts
• D. Create the S3 bucket with an alias name and use the redirect rule to forward requests to various accounts

Answer: C

Explanation: If a user wants the URL of the AWS IAM sign-in page to have a company name instead of the AWS account ID, he can create an alias for his AWS account ID. The alias should be unique.
Reference: http://docs.aws.amazon.com/IAM/latest/UserGuide/AccountAIias.html

NEW QUESTION 6
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 7
In AWS Elastic Beanstalk, if the application returns any response other than 200 ,OK or there is no response within the configured InactMtyTimeout period, .

• A. SQS once again makes the message visible in the queue and available for another attempt at processing
• B. SQS waits for another timeout
• C. SQS run DeIeteMessagecaII and deletes the message from the queue
• D. SQS sends a message to the application with the lVIessageID and pending status

Answer: A

Explanation: In AWS Elastic Beanstalk, if the application returns any response other than 200, OK or there is no response within the configured InactMtyTimeout period, SQS once again makes the message visible in the queue and available for another attempt at processing.
Reference:
http://docs.aws.amazon.com/elasticbeanstaIk/latest/dg/using-features-managing-env-tiers.htmI#worker-e nviron

NEW QUESTION 8
A user has created a new EBS volume from an existing snapshot. The user mounts the volume on the instance to which it is attached. Which of the below mentioned options is a required step before the user can mount the volume?

• A. Run a cyclic check on the device for data consistency
• B. Create the file system of the volume
• C. Resize the volume as per the original snapshot size
• D. No step is require
• E. The user can directly mount the device

Answer: D

Explanation: When a user is trying to mount a blank EBS volume, it is required that the user first creates a file system within the volume. If the volume is created from an existing snapshot then the user needs not to create a file system on the volume as it will wipe out the existing data.
Reference: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-using-volumes.htmI

NEW QUESTION 9
A user has created a snapshot of an EBS volume. Which of the below mentioned usage cases is not possible with respect to a snapshot?

• A. Nlirroring the volume from one AZ to another AZ
• B. Launch an instance
• C. Decrease the volume size
• D. Increase the size of the volume

Answer: C

Explanation: The EBS snapshots are a point in time backup ofthe volume. It is helpful to move the volume from one AZ to another or launch a new instance. The user can increase the size of the volume but cannot decrease it less than the original snapshot size.
Reference: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/EBSSnapshots.htmI

NEW QUESTION 10
ExamKiIIer (with AWS account ID 111122223333) has created 50 IAM users for its orgAMzation’s employees. What will be the AWS console URL for these associates?

• A. https:// 111122223333.signin.aws.amazon.com/conso|e/
• B. https:// signin.aws.amazon.com/consoIe/
• C. https://signin.aws.amazon.com/111122223333/conso|e/
• D. https://signin.aws.amazon.com/console/111122223333/

Answer: A

Explanation: When an orgAMzation is using AWS IAM for creating various users and manage their access rights, the IAM user cannot use the login URL http://aws.amazon.com/console to access AWS management console. The console login URL for the IAM user will have AWS account ID of that orgAMzation to identify the IAM user belongs to particular account. The AWS console login URL for the IAM user will be https://
<AWS_Account_|D>.signin.aws.amazon.com/consoIe/. In this case it will be https:// 111122223333.signin.aws.amazon.com/consoIe/
Reference: http://docs.aws.amazon.com/IAM/latest/UserGuide/AccountAIias.html

NEW QUESTION 11
You have an environment that consists of a public subnet using Amazon VPC and 3 instances that are running in this subnet. These three instances can successfully communicate with other hosts on the Internet. You launch a fourth instance in the same subnet, using the same AMI and security group configuration you used for the others, but find that this instance cannot be accessed from the Internet. What should you do to enable internet access?

• A. Deploy a NAT instance into the public subnet.
• B. Modify the routing table for the public subnet
• C. Configure a publically routable IP Address In the host OS of the fourth instance.
• D. Assign an Elastic IP address to the fourth instanc

Answer: D

NEW QUESTION 12
Which of the following are valid arguments for an SNS Publish request? Choose 3 answers

• A. TopicAm
• B. Subject
• C. Destination
• D. Format
• E. Message F.Language

Answer: ABE

NEW QUESTION 13
In regard to DynamoDB, what is the Global secondary index?

• A. An index with a hash and range key that can be different from those on the table.
• B. An index that has the same range key as the table, but a different hash key
• C. An index that has the same hash key and range key as the table
• D. An index that has the same hash key as the table, but a different range key

Answer: A

Explanation: Global secondary index - an index with a hash and range key that can be different from those on the table.
Reference: http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/DataModel.html

NEW QUESTION 14
Does Amazon DynamoDB support both increment and decrement atomic operations?

• A. No, neither increment nor decrement operations.
• B. Only increment, since decrement are inherently impossible with DynamoDB's data model.
• C. Only decrement, since increment are inherently impossible with DynamoDB's data model.
• D. Yes, both increment and decrement operation

Answer: D

Explanation: Amazon DynamoDB supports increment and decrement atomic operations.
Reference: http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/APISummary.html

NEW QUESTION 15
Which header received at the EC2 instance identifies the port used by the client while requesting ELB?

• A. X-Forvvarded-Proto
• B. X-Requested-Proto
• C. X-Forvvarded-Port
• D. X-Requested-Port

Answer: C

Explanation: The X-Forvvarded-Port request header helps the user identify the port used by the client while sending a request to ELB.
Reference: http://docs.aws.amazon.com/EIasticLoadBalancing/latest/DeveIoperGuide/TerminologyandKeyConcepts. html

NEW QUESTION 16
Bob is an IAM user who has access to the EC2 services. Admin is an IAM user who has access to all the AWS services including IAM. Can Bob change his password?

• A. No, the IAM user can never change the password
• B. Yes, provided Admin has given Bob access to change his password
• C. Yes, only from AWS CLI
• D. Yes, only from the AWS console

Answer: B

Explanation: The IAM users by default cannot change their password. The root owner or IAM administrator needs to set the policy in the password policy page, which should allow the user to change their password. Once it is enabled, the IAM user can always change their passwords from the AWS console or CLI.
Reference: http://docs.aws.amazon.com/IAM/latest/UserGuide/Using_ManagingUserPwdSeIf.htm|

NEW QUESTION 17
A user has attached an EBS volume to a running Linux instance as a "/dev/sdf" device. The user is unable to see the attached device when he runs the command "df -h". What is the possible reason for this?

• A. The volume is not in the same AZ of the instance
• B. The volume is not formatted
• C. The volume is not attached as a root device
• D. The volume is not mounted

Answer: D

Explanation: When a user creates an EBS volume and attaches it as a device, it is required to mount the device. If the device/volume is not mounted it will not be available in the listing.
Reference: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/AmazonEBS.htmI

NEW QUESTION 18
Which one of the following operations is NOT a DynamoDB operation?

• A. BatchWrite|tem
• B. DescribeTabIe
• C. BatchGetItem
• D. BatchDeIeteItem

Answer: D

Explanation: In DynamoDB, Deleteltem deletes a single item in a table by primary key, but BatchDeIeteItem doesn’t exist.
Reference: http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/operationIist.htmI