AWS DVA-C00 Certified Developer Associate Practice Exam Set 2

While working with the AWS 53 API you receive the following error message: 409 Conflict. What might be the cause of this error?


Options are :

  • User does not have proper permissions to make the API call
  • Bucket name does not exist
  • Bad Digest
  • Bucket already exists (Correct)

Answer : Bucket already exists

AWS SAP-C00 Certified Solution Architect Professional Exam Set 1

Which of the following is true if long polling is enabled? Choose the correct answer from the options below Please select:


Options are :

  • If long polling is enabled, then each poll only polls a subset of SQS servers: in order for all messages to be received, polling must continuously occur
  • The reader will listen to the queue until a message is available or until timeout (Correct)
  • The reader will listen to the queue until timeout
  • Increases costs because each request lasts longer

Answer : The reader will listen to the queue until a message is available or until timeout

You decide to create a bucket on AWS S3 called „bucket ever and then perform the following actions in the order that they are listed here. • You upload a file to the bucket called „file l? - You enable versioning on the bucket - You upload a file called „file2? • You upload a file called „flle3? - You upload another file called „file2? Which of the following is true for your bucket „bucket ever?? Please select:


Options are :

  • There will be 1 version ID for file 1, there will be 2 version IDS for file2 and 1 version ID for fiIe3
  • All file version ID?s will be null because versioning must be enabled before uploading objects to ?bucket ever?
  • There will be 1 version ID for file 1. the version ID for flIe2 will be null and there will be 1 version ID for file3
  • The version ID for file l will be null, there will be 2 version IDs for file2 and 1 version ID for flle3 (Correct)

Answer : The version ID for file l will be null, there will be 2 version IDs for file2 and 1 version ID for flle3

Regarding the evaluation logic when managing Access to Your Amazon SNS Topics, the following things can be stated. The goal at evaluation time is to decide whether a given request should be allowed or denied. The evaluation logic follows several basic rules: - By default, all requests to use your resource coming from anyone but you are denied - An allow overrides any default denies - An explicit deny overrides any allows • The order in which the policies are evaluated is not important - A policy results in a default deny if it doesn?t directly apply to the request. Keeping the above in mind, what will be the policy result, if a user requests to use Amazon SNS, but the policy on the topic doesn?t refer to the user?s AWS account at all?


Options are :

  • An explicit deny
  • A default deny (Correct)
  • An explicit allow
  • An allow

Answer : A default deny

AWS SAP-C00 Certified Solution Architect Professional Exam Set 9

Can a VPC subnet can have multiple route tables. Choose the correct answer from the options below ?


Options are :

  • TRUE
  • FALSE (Correct)

Answer : FALSE

If you are connecting to AWS from a computer, not an EC2 instance, you need to create an AWS user, attach permissions, and use the API access key and secret access key in your code. Choose the correct answer from the options below ?


Options are :

  • TRUE (Correct)
  • FALSE

Answer : TRUE

What is the main advantage of using Amazon SQS? Choose the correct answer from the options below Please select:


Options are :

  • SQS is the only method available that interacts with workers
  • SQS allows time-critical messages to be sent through a push mechanism eliminating the need to poll for data
  • SQS is used by distributed applications and can be used to decouple sending and receiving components without requiring each application component to be concurrently available (Correct)
  • None of the above

Answer : SQS is used by distributed applications and can be used to decouple sending and receiving components without requiring each application component to be concurrently available

AWS SCS-C01 Certified Security Speciality Practice Exam Set 2

Server-side encryption is about data encryption at rest. That is, Amazon 53 encrypts your data at the object level as it writes it to disk In its data centers and decrypts it for you when you go to access It. There are a few different options depending on how you choose to manage the encryption keys. One of the options is called „Server-Side Encryption with Amazon S3-Managed Keys (SSE-S3)?. Which of the following best describes how this encryption method works? Choose the correct answer from the options below Please select


Options are :

  • You manage the encryption keys and Amazon 53 manages the encryption, as it writes to disk, and decryption, when you access your objects.
  • A randomly generated data encryption key is returned from Amazon S3. which is used by the client to encrypt the object data.
  • There are separate permissions for the use of an envelope key (that is, a key that protects your data?s encryption key) that provides added protection against unauthorized access of your objects in S3 and also provide you with an audit trail of when your key was used and by whom.
  • Each object Is encrypted with a unique key employing strong encryption. As an additional safeguard, It encrypts the key itself with a master key that it regularly rotates. (Correct)

Answer : Each object Is encrypted with a unique key employing strong encryption. As an additional safeguard, It encrypts the key itself with a master key that it regularly rotates.

You have an EBS root device on /dev/sdal on one of your EC2 instances. You are having trouble with this particular instance and you want to either Stop/Start, Reboot or Terminate the instance but you do NOT want to lose any data that you have stored on /dev/sdal. Hence you are unsure as to what would be best and if you will lose this data using any of these methods to change your instance state. Which of the below statements best describes the effect each change of instance state would have on the data you have stored on /dev/sdal? Choose the correct answer from the options below?


Options are :

  • Whether you stop/start, reboot or terminate the instance it does not matter because data on an EBS voIur > is not ephemeral and the data will not be lost regardless of what method is used.
  • The data in an instance store Is not permanent - It persists only during the lifetime of the instance. The data will be lost if you terminate the instance, If user create EC2 instance with default parameters. How ever the data will remain on /dev/sdal if you reboot or stop/start the instance because data on an EBS volume is not ephemeral. (Correct)
  • Whether you stop/start. reboot or terminate the Instance it does not matter because data on an EBS volume is ephemeral and it will be lost no matter what method is used.
  • If you stop/start the instance the data will not be lost. However if you either terminate or reboot the instance the data will be lost.

Answer : The data in an instance store Is not permanent - It persists only during the lifetime of the instance. The data will be lost if you terminate the instance, If user create EC2 instance with default parameters. How ever the data will remain on /dev/sdal if you reboot or stop/start the instance because data on an EBS volume is not ephemeral.

To enable a VPC EC2 instance to be publicly accessible without a NAT instance or NAT Gateway, it must have a public IP address inside of a subnet that has a route to an internet gateway. Choose the correct answer from the options below ?


Options are :

  • FALSE
  • TRUE (Correct)

Answer : TRUE

AWS CLF-C01 Certified Cloud Certification Practical Exam Set 2

To connect your remote office to your VPC for internal network access, what would you need to use? Choose the correct answer from the options below?


Options are :

  • Server
  • VPN (Correct)
  • Elastic IP Address
  • None of the above

Answer : VPN

You have developed an application that sends an Amazon SNS message to a topic whenever an order is placed for one of your products on an online store you have just created. Any Amazon SQS queues that are subscribed to that topic would receive identical notifications when a new order is placed. This method of message deliver is called the ?fanout? scenario. Which of the below descriptions is the closest in describing the common attributes of this scenario? Choose the correct answer from the options below Please select:


Options are :

  • It enables you to send messages directly to mobile apps. t-ITW endpoints, or email addresses. which allows for parallel synchronous processing.
  • The Amazon SNS message is sent to a topic and then replicated and pushed to multiple Amazon SQS queues, HTTP endpoints, or email addresses, which allows for parallel asynchronous processing. (Correct)
  • The application and system alerts are noDflcations. triggered by predefined thresholds, sent to specified users by SMS and/or email.
  • The Amazon SNS message is sent to a topic and then replicated and pushed to multiple Amazon SQS queues. HTTP endpoints, or email addresses, which allows for parallel synchronous processing.

Answer : The Amazon SNS message is sent to a topic and then replicated and pushed to multiple Amazon SQS queues, HTTP endpoints, or email addresses, which allows for parallel asynchronous processing.

Being a good solutions architect means you will always plan for failures in your AWS cloud environment. Choose the correct answer from the options below


Options are :

  • TRUE (Correct)
  • FALSE

Answer : TRUE

AWS SOA-C00 Certified Sys Ops Administrator Associate Exam Set 10

What is the maximum number of S3 buckets by default allowed per AWS account? Choose the correct answer from the options below?


Options are :

  • 50
  • 100 (Correct)
  • 1000
  • 1S0

Answer : 100

Amazon 53 can use what type of server side encryption? Choose the correct answer from the options below Please select:


Options are :

  • TK1P256
  • MARS
  • RC6
  • AES2S6 (Correct)

Answer : AES2S6

Is SQS PCI DSS certified? Choose the correct answer from the options below Please select:


Options are :

  • TRUE (Correct)
  • FALSE

Answer : TRUE

AWS SOA-C00 Certified Sys Ops Administrator Associate Exam Set 1

Someone on your team configured a Virtual Private Cloud with two public subnets in two separate AZs and two private subnets in two separate AZs. Each public subnet AZ has a matching private subnet AZ. The VPC and its subnets are properly configured. You also notice that there are multiple web server instances in the private subnet, and you?ve been charged with setting up a public-facing Elastic Load Balancer which will accept requests from clients and distribute those requests to the web server instances. How can you set this up? Choose the correct answer from the options below ?


Options are :

  • Select both of the private subnets which contain the web server instances when configuring the ELB.
  • Select both of the public subnets when configuring the ELB. (Correct)
  • You cant Web server instances must be in public subnets in order for this to work.
  • Select both of the public subnets which contain the web server instances when configuring the ELB.

Answer : Select both of the public subnets when configuring the ELB.

In SQS what is the maximum visibility timeout. Choose the correct answer from the options below Please select:


Options are :

  • 24 hours
  • 1 day
  • 1 hour
  • 12 hours (Correct)

Answer : 12 hours

A developer is writing an application that will run on -premises, but must access AWS services through an AWS SDK. How can the Developer allow the SDK to access the AWS services?


Options are :

  • Create an lAM EC2 role with correct permissions and assign it to the on-premises server.
  • Create an lAM role with correct permissions and request an STS token to assume the role
  • Create an lAM user with correct permissions, generate an access key and store it in a Dynamo DB table.
  • Create an lAM user with correct permissions. generate an access key and store it in aws credentials (Correct)

Answer : Create an lAM user with correct permissions. generate an access key and store it in aws credentials

AWS DVA-C01 Certified Developer Associate Practice Exam Set 6

Describe the process of registering a mobile device with SNS push notification service using GCM. Choose the correct answer from the options below ?


Options are :

  • Submit GCM notification credentials to Amazon SNS, then receive the Registration ID for each mobile device. After that, pass the device token to SNS, and SNS then creates a mobile subscription endpoint for each device and communicates with the GCM service on your behalf (Correct)
  • Pass device token to SNS to create mobile subscription endpoint for each mobile device, then request the device token from each mobile device. SNS then communicates on your behalf to the GCM service
  • None of the above
  • Receive Registration ID and token for each mobile device. Then, register the mobile application with AmazonS NS. and pass the GCM token credentials to Amazon SNS

Answer : Submit GCM notification credentials to Amazon SNS, then receive the Registration ID for each mobile device. After that, pass the device token to SNS, and SNS then creates a mobile subscription endpoint for each device and communicates with the GCM service on your behalf

You have created a VPC that has just one subnet with an internet gateway attached and required route table entry set. Which of the following is true with regards to the connection of an EC2 instance located in the VPC?


Options are :

  • It does not need a NAT Instance or an EIP to communicate with the Internet.
  • It can connect.
  • It needs an EIP or public IP assigned to it in order to connect to the internet and send data in or out. (Correct)
  • None of the above

Answer : It needs an EIP or public IP assigned to it in order to connect to the internet and send data in or out.

You are having trouble maintaining session states on some of your applications that are using an Elastic Load Balancer(ELB). As well as that there does not seem to be an even distribution of sessions across your ELB. To overcome this problem which of the following is the recommended method by AWS to try and rectify the issues that you are having? Choose the correct answer from the options below Please select:


Options are :

  • If your application does not have its own session cookie, then you can configure Elastic Load Balancing to create a session cookie by specifying your own stickiness duration.
  • Use the sticky session feature (also known as session affinity), which enables the load balancer to bind a user?s session to a specific instance. This ensures that all requests from the user during the session are sent to the same instance.
  • Use a special cookie to track the instance for each request to each listener. When the load balancer receives a request, it will then check to see if this cookie is present in the request.
  • Use Elastic cache, which is a web service that makes it easy to set up, manage, and scale a distributed in- memory cache environment in the cloud. (Correct)

Answer : Use Elastic cache, which is a web service that makes it easy to set up, manage, and scale a distributed in- memory cache environment in the cloud.

AWS SAP-C00 Certified Solution Architect Professional Exam Set 10

EC2 instances are launched from Amazon Machine Images (AMIs). Which of the below options are true for a given public AMI.


Options are :

  • can be used to launch EC2 instances in any AWS region
  • can only be used to launch EC2 instances in the same AWS region as the AMI is stored (Correct)
  • can only be used to launch EC2 instances in the same AWS availability zone as the AMI is stored
  • can only be used to launch EC2 instances in the same country as the AMI is stored

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

Your application utilizes Amazon 53 reduced redundancy storage and you have configured the s3:ReducedRedundancyLostObject notification on your Amazon S3 Bucket. What services might you use to create a ?distributed? platform that replaces lost RRS objects on Amazon S3 automatically? Choose the correct answer from the options below ?


Options are :

  • SNS with subscription endpoints
  • SNS with an SMS subscription endpoint
  • SNS with SQS subscription endpoint with a worker instance (Correct)
  • SNS with a website subscription endpoint as the worker instance

Answer : SNS with SQS subscription endpoint with a worker instance

You successfully upload a new item to the US-STANDARD region. You then immediately make another API call and attempt to read the object. What will happen? Choose the correct answer from the options below Please select:


Options are :

  • Objects in Amazon S3 do not become visible until they are replicated to a second region. You will receive an HTTP 404 error
  • US-STANDARD has read-after-write consistency. so you will be able to retrieve the object immediately . (Correct)
  • US-STANDARD uses eventual consistency and it can take time for an object to be readable in a bucket, so you will receive an HTTP 404 error
  • US-STANDARD imposes a 1 second delay before new objects are readable, but after that you will successfully retrieve the object

Answer : US-STANDARD has read-after-write consistency. so you will be able to retrieve the object immediately .

Certification : Get AWS Certified Solutions Architect in 1 Day (2018 Update) Set 6

While hosting a static website with Amazon S3, your static Java script code attempts to include resources from another S3 bucket but permission Is denied. How might you solve the problem? Choose the correct answer from the options below


Options are :

  • None of the above
  • Disable Public Object Permissions
  • Enable CORS Configuration (Correct)
  • Move the object to the main bucket

Answer : Enable CORS Configuration

Which of the following statements is true about SQS standard queues? Sh Choose the correct answer from the options below?


Options are :

  • Messages will be delivered one or more times and message delivery order is indeterminate (Correct)
  • Messages will be delivered one or more times and messages will be delivered in First in, First out order
  • Messages will be delivered exactly once and message delivery order is Indeterminate
  • Messages will be delivered exactly once and messages will be delivered in First in. First out order

Answer : Messages will be delivered one or more times and message delivery order is indeterminate

Which of the following would you expect to see in the body of an SNS notification? Choose the correct answer from the options below


Options are :

  • Signature ld
  • Subjects ;1
  • Un subscribe URL (Correct)
  • Message Body

Answer : Un subscribe URL

AWS SOA-C00 Certified Sys Ops Administrator Associate Exam Set 8

What is the hourly rate to run a VPC? Choose the correct answer from the options below Please select:


Options are :

  • Free (Correct)
  • 05/hour
  • 002/hour
  • 01/hour

Answer : Free

Your application is trying to upload a 6 GB file to Simple Storage Service and receive a ?Your proposed upload exceeds the maximum allowed object size.? error message. What is a possible solution for this? Choose the correct answer from the options below


Options are :

  • Use the large object upload API for this object
  • Use the multipart upload API for this object (Correct)
  • Contact support to increase your object size limit
  • None. Simple Storage Service objects are limited to 5 GB

Answer : Use the multipart upload API for this object

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