10 May, 2024

The Most Up-to-date Guide To DVA-C01 Testing Software

Exam Code: DVA-C01 (Practice Exam Latest Test Questions VCE PDF)
Exam Name: AWS Certified Developer Associate Exam
Certification Provider: Amazon-Web-Services
Free Today! Guaranteed Training- Pass DVA-C01 Exam.

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Total 463 questions Full Exam Access

Question 1

You are building an online store on AWS that uses SQS to process your customer orders. Your backend system needs those messages in the same sequence the customer orders have been put in. How can you achieve that?

You can do this with SQS but you also need to use SWF

Messages will arrive in the same order by default

You can use sequencing information on each message

It is not possible to do this with SQS

Question 2

What is the maximum number of S3 Buckets available per AWS account?

100 per region

there is no limit

100 per account

500 per account

100 per IAM user

Question 3

Regarding Amazon SNS, to begin using Amazon SNS mobile push notifications, you first need that uses one of the supported push notification services: APNS, GCM, or ADM.

an access policy for the mobile endpoints

to active push notification service of Amazon SNS

to know the type of mobile device operating system

an app for the mobile endpoints

Question 4

EC2 instances are launched from Amazon Machine images (AMIS). A given public AMI can:

be used to launch EC2 Instances in any AWS region.

only be used to launch EC2 instances in the same country as the AMI is stored.

only be used to launch EC2 instances in the same AWS region as the AMI is stored.

only be used to launch EC2 instances in the same AWS availability zone as the AMI is stored

Question 5

A user is creating a snapshot of an EBS volume. Which of the below statements is incorrect in relation to the creation of an EBS snapshot?

Its incremental

It can be used to launch a new instance

It is stored in the same AZ as the volume

It is a point in time backup of the EBS volume

Question 6

A user is trying to create a policy for an IAM user from the AWS console. Which of the below mentioned options is not available to the user while configuring policy?

Use policy generator to create policy

Use custom policy to create policy

Use policy simulator to create policy

Assign No permission

Question 7

You run an ad-supported photo sharing website using S3 to serve photos to visitors of your site. At some point you find out that other sites have been linking to the photos on your site, causing loss to your business.
What is an effective method to mitigate this?

Store photos on an EBS volume ofthe web server

Remove public read access and use signed URLs with expiry dates.

Use C|oudFront distributions for static content.

Block the IPs of the offending websites in Security Group

Question 8

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"?

"Fn::Join" : [ '‘'‘ . ["http://", {"Fn::GetAtr" : ["EIasticLoadBalancer","DNSName"]}]]

"Fn::Join" : [ '‘'‘ . ["http://", {"Fn::GetAtr" : ["E|asticLoadBa|ancer","Ur|"]}]]

"Fn::Join" : [ '‘'‘ . ["http://", {"Ref" : "EIasticLoadBaIancerUr|"}]]

"Fn::Join" : ["http://", {"Ref" : "EIasticLoadBaIancerDNSName"}]]

Question 9

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

Simple Storage Service

Elastic Compute Cloud

Auto Scaling

Elastic Load Balancing

CIoudFormation

Simple Workflow Service

Question 10

In regards to Amazon SQS how can you secure the messages in your queues?

You can't

Amazon SQS uses either your Access Key ID or an X.509 certificate to authenticate your identity

Through your IAM access keys

Don't use root access

Question 11

When AutoScaIing is launching a new instance based on condition, which of the below mentioned policies will it follow?

Based on the criteria defined with cross zone Load balancing

Launch an instance which has the highest load distribution

Launch an instance in the AZ with the fewest instances

Launch an instance in the AZ which has the highest instances

Question 12

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

TopicAm

Subject

Destination

Format

Message F.Language

Question 13

A user is configuring the HTTPS protocol on a front end ELB and the SSL protocol for the back-end listener in ELB. What will ELB do?

It will allow you to create the configuration, but the instance will not pass the health check

Receives requests on HTTPS and sends it to the back end instance on SSL

It will not allow you to create this configuration

It will allow you to create the configuration, but ELB will not work as expected

Question 14

A user is running a MySQL RDS instance. The user will not use the DB for the next 3 months. How can the user save costs?

Pause the RDS actMties from CLI until it is required in the future

Stop the RDS instance

Create a snapshot of RDS to launch in the future and terminate the instance now

Change the instance size to micro

Question 15

An orgAMzation is having an application which can start and stop an EC2 instance as per schedule. The orgAMzation needs the MAC address of the instance to be registered with its software. The instance is launched in EC2-CLASSIC. How can the orgAMzation update the MAC registration every time an instance is booted?

The instance MAC address never change

Thus, it is not required to register the MAC address every time.

The orgAMzation should write a boot strapping script which will get the MAC address from the instance metadata and use that script to register with the application.

AWS never provides a MAC address to an instance; instead the instance ID is used for identifying the instance for any software registration.

The orgAMzation should provide a MAC address as a part of the user dat

Thus, whenever the instance is booted the script assigns the fixed MAC address to that instance.

Question 16

When a Simple Queue Service message triggers a task that takes 5 minutes to complete, which process below will result in successful processing of the message and remove it from the queue while minimizing the chances of duplicate processing?

Retrieve the message with an increased visibility timeout, process the message, delete the message from the queue

Retrieve the message with an increased visibility timeout, delete the message from the queue, process the message

Retrieve the message with increased DeIaySeconds, process the message, delete the message from the queue

Retrieve the message with increased DeIaySeconds, delete the message from the queue, process the message

Question 17

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

SQS waits for another timeout

SQS run DeIeteMessagecaII and deletes the message from the queue

SQS sends a message to the application with the lVIessageID and pending status

Question 18

A user has created an application which sends data to a log file. The server hosting the log files can be unavailable due to any reason. The user wants to make it so that whenever the log server is up it should be receMng the messages. Which of the below mentioned AWS services helps achieve this functionality?

AWS Simple Workflow

AWS Simple Task Service

AWS Simple Notification Service

AWS Simple Queue Service

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Total 463 questions Full Exam Access