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A group of research institutions and hospitals are in a partnership to study 2 PBs of genomic data. The institute that owns the data stores it in an Amazon S3 bucket and updates it regularly. The institute would like to give all of the organizations in the partnership read access to the data. All members of the partnership are extremely cost-conscious, and the institute that owns the account with the S3 bucket is concerned about covering the costs for requests and data transfers from Amazon S3.

Which solution allows for secure datasharing without causing the institute that owns the bucket to assume all the costs for S3 requests and data transfers?

A.
Ensure that all organizations in the partnership have AWS accounts. In the account with the S3 bucket, create a crossaccount role for each account in the partnership that allows read access to the data. Have the organizations assume and use that read role when accessing the data.
A.
Ensure that all organizations in the partnership have AWS accounts. In the account with the S3 bucket, create a crossaccount role for each account in the partnership that allows read access to the data. Have the organizations assume and use that read role when accessing the data.
Answers
B.
Ensure that all organizations in the partnership have AWS accounts. Create a bucket policy on the bucket that owns the data. The policy should allow the accounts in the partnership read access to the bucket. Enable Requester Pays on the bucket. Have the organizations use their AWS credentials when accessing the data.
B.
Ensure that all organizations in the partnership have AWS accounts. Create a bucket policy on the bucket that owns the data. The policy should allow the accounts in the partnership read access to the bucket. Enable Requester Pays on the bucket. Have the organizations use their AWS credentials when accessing the data.
Answers
C.
Ensure that all organizations in the partnership have AWS accounts. Configure buckets in each of the accounts with a bucket policy that allows the institute that owns the data the ability to write to the bucket. Periodically sync the data from the institute’s account to the other organizations. Have the organizations use their AWS credentials when accessing the data using their accounts.
C.
Ensure that all organizations in the partnership have AWS accounts. Configure buckets in each of the accounts with a bucket policy that allows the institute that owns the data the ability to write to the bucket. Periodically sync the data from the institute’s account to the other organizations. Have the organizations use their AWS credentials when accessing the data using their accounts.
Answers
D.
Ensure that all organizations in the partnership have AWS accounts. In the account with the S3 bucket, create a crossaccount role for each account in the partnership that allows read access to the data. Enable Requester Pays on the bucket.Have the organizations assume and use that read role when accessing the data.
D.
Ensure that all organizations in the partnership have AWS accounts. In the account with the S3 bucket, create a crossaccount role for each account in the partnership that allows read access to the data. Enable Requester Pays on the bucket.Have the organizations assume and use that read role when accessing the data.
Answers
Suggested answer: A

A group of Amazon EC2 instances have been configured as a high performance computing (HPC) cluster. The instances are running in a placement group, and are able to communicate with each other at network speeds of up to 20 Gbps. The cluster needs to communicate with a control EC2 instance outside of the placement group. The control instance has the same instance type and AMI as the other instances, and is configured with a public IP address. How can the Solutions Architect improve the network speeds between the control instance and the instances in the placement group?

A.
Terminate the control instance and relaunch it in the placement group.
A.
Terminate the control instance and relaunch it in the placement group.
Answers
B.
Ensure that the instances are communicating using their private IP addresses.
B.
Ensure that the instances are communicating using their private IP addresses.
Answers
C.
Ensure that the control instance is using an Elastic Network Adapter.
C.
Ensure that the control instance is using an Elastic Network Adapter.
Answers
D.
Move the control instance inside the placement group.
D.
Move the control instance inside the placement group.
Answers
Suggested answer: B

Explanation:

Reference: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/placement-groups.html

True or False: In Amazon ElastiCache, you can use Cache Security Groups to configure the cache clusters that are part of a VPC.

A.
FALSE
A.
FALSE
Answers
B.
TRUE
B.
TRUE
Answers
C.
True, this is applicable only to cache clusters that are running in an Amazon VPC environment.
C.
True, this is applicable only to cache clusters that are running in an Amazon VPC environment.
Answers
D.
True, but only when you configure the cache clusters using the Cache Security Groups from the console navigation pane.
D.
True, but only when you configure the cache clusters using the Cache Security Groups from the console navigation pane.
Answers
Suggested answer: A

Explanation:

Amazon ElastiCache cache security groups are only applicable to cache clusters that are not running in an Amazon Virtual Private Cloud environment (VPC). If you are running in an Amazon Virtual Private Cloud, Cache Security Groups is not available in the console navigation pane.

Reference: http://docs.aws.amazon.com/AmazonElastiCache/latest/UserGuide/CacheSecurityGroup.html

An online retail company hosts its stateful web-based application and MySQL database in an on-premises data center on a single server. The company wants to increase its customer base by conducting more marketing campaigns and promotions.

In preparation, the company wants to migrate its application and database to AWS to increase the reliability of its architecture. Which solution should provide the HIGHEST level of reliability?

A.
Migrate the database to an Amazon RDS MySQL Multi-AZ DB instance. Deploy the application in an Auto Scaling group on Amazon EC2 instances behind an Application Load Balancer Store sessions in Amazon Neptune.
A.
Migrate the database to an Amazon RDS MySQL Multi-AZ DB instance. Deploy the application in an Auto Scaling group on Amazon EC2 instances behind an Application Load Balancer Store sessions in Amazon Neptune.
Answers
B.
Migrate the database to Amazon Aurora MySQL. Deploy the application in an Auto Scaling group on Amazon EC2 instances behind an Application Load Balancer. Store sessions in an Amazon ElastiCache for Redis replication group.
B.
Migrate the database to Amazon Aurora MySQL. Deploy the application in an Auto Scaling group on Amazon EC2 instances behind an Application Load Balancer. Store sessions in an Amazon ElastiCache for Redis replication group.
Answers
C.
Migrate the database to Amazon DocumentDB (with MongoDB compatibility). Deploy the application in an Auto Scaling group on Amazon EC2 instances behind a Network Load Balancer. Store sessions in Amazon Kinesis Data Firehose.
C.
Migrate the database to Amazon DocumentDB (with MongoDB compatibility). Deploy the application in an Auto Scaling group on Amazon EC2 instances behind a Network Load Balancer. Store sessions in Amazon Kinesis Data Firehose.
Answers
D.
Migrate the database to an Amazon RDS MariaDB Multi-AZ DB instance. Deploy the application in an Auto Scaling group on Amazon EC2 instances behind an Application Load Balancer. Store sessions in Amazon ElastiCache for Memcached.
D.
Migrate the database to an Amazon RDS MariaDB Multi-AZ DB instance. Deploy the application in an Auto Scaling group on Amazon EC2 instances behind an Application Load Balancer. Store sessions in Amazon ElastiCache for Memcached.
Answers
Suggested answer: B

Explanation:

Reference: https://docs.aws.amazon.com/documentdb/latest/developerguide/docdb-migration.html

You are designing a multi-platform web application for AWS The application will run on EC2 instances and will be accessed from PCs. Tablets and smart phones Supported accessing platforms are Windows, MacOS, IOS and Android Separate sticky session and SSL certificate setups are required for different platform types.

Which of the following describes the most cost effective and performance efficient architecture setup?

A.
Setup a hybrid architecture to handle session state and SSL certificates on-prem and separate EC2 Instance groups running web applications for different platform types running in a VPC.
A.
Setup a hybrid architecture to handle session state and SSL certificates on-prem and separate EC2 Instance groups running web applications for different platform types running in a VPC.
Answers
B.
Set up one ELB for all platforms to distribute load among multiple instance under it Each EC2 instance implements ail functionality for a particular platform.
B.
Set up one ELB for all platforms to distribute load among multiple instance under it Each EC2 instance implements ail functionality for a particular platform.
Answers
C.
Set up two ELBs The first ELB handles SSL certificates for all platforms and the second ELB handles session stickiness for all platforms for each ELB run separate EC2 instance groups to handle the web application for each platform.
C.
Set up two ELBs The first ELB handles SSL certificates for all platforms and the second ELB handles session stickiness for all platforms for each ELB run separate EC2 instance groups to handle the web application for each platform.
Answers
D.
Assign multiple ELBS to an EC2 instance or group of EC2 instances running the common components of the web application, one ELB for each platform type Session stickiness and SSL termination are done at the ELBs.
D.
Assign multiple ELBS to an EC2 instance or group of EC2 instances running the common components of the web application, one ELB for each platform type Session stickiness and SSL termination are done at the ELBs.
Answers
Suggested answer: D

Explanation:

One ELB cannot handle different SSL certificates but since we are using sticky sessions it must be handled at the ELB level. SSL could be handled on the EC2 instances only with TCP configured ELB, ELB supports sticky sessions only in HTTP/HTTPS configurations. The way the Elastic Load Balancer does session stickiness is on a HTTP/HTTPS listener is by utilizing an HTTP cookie. IfSSL traffic is not terminated on the Elastic Load Balancer and is terminated on the back-end instance, the Elastic LoadBalancer has no visibility into the HTTP headers and therefore can not set or read any of the HTTP headers being passedback and forth. Reference:http://docs.aws.amazon.com/ElasticLoadBalancing/latest/DeveloperGuide/elb-sticky- sessions.html

IAM users do not have permission to create Temporary Security Credentials for federated users and roles by default. In contrast, IAM users can call __________ without the need of any special permissions

A.
GetSessionName
A.
GetSessionName
Answers
B.
GetFederationToken
B.
GetFederationToken
Answers
C.
GetSessionToken
C.
GetSessionToken
Answers
D.
GetFederationName
D.
GetFederationName
Answers
Suggested answer: C

Explanation:

Currently the STS API command GetSessionToken is available to every IAM user in your account without previous permission. In contrast, the GetFederationToken command is restricted and explicit permissions need to be granted so a user can issue calls to this particular Action.

Reference: http://docs.aws.amazon.com/STS/latest/UsingSTS/STSPermission.html

A company hosts an application on Amazon EC2 instance and needs to store files in Amazon S3. The files should never traverse the public internet, and only the application EC2 instances are granted access to a specific Amazon S3 bucket. A solutions architect has created a VPC endpoint for Amazon S3 and connected the endpoint to the application VPC. Which additional steps should the solutions architect take to meet these requirements?

A.
Assign an endpoint policy to the endpoint that restricts access to a specific S3 bucket. Attach a bucket policy to the S3 bucket that grants access to the VPC endpoint. Add the gateway prefix list to a NACL of the instances to limit access to the application EC2 instances only.
A.
Assign an endpoint policy to the endpoint that restricts access to a specific S3 bucket. Attach a bucket policy to the S3 bucket that grants access to the VPC endpoint. Add the gateway prefix list to a NACL of the instances to limit access to the application EC2 instances only.
Answers
B.
Attach a bucket policy to the S3 bucket that grants access to application EC2 instances only using the aws:SourceIp condition. Update the VPC route table so only the application EC2 instances can access the VPC endpoint.
B.
Attach a bucket policy to the S3 bucket that grants access to application EC2 instances only using the aws:SourceIp condition. Update the VPC route table so only the application EC2 instances can access the VPC endpoint.
Answers
C.
Assign an endpoint policy to the VPC endpoint that restricts access to a specific S3 bucket. Attach a bucket policy to the S3 bucket that grants access to the VPC endpoint. Assign an IAM role to the application EC2 instances and only allow access to this role in the S3 bucket’s policy.
C.
Assign an endpoint policy to the VPC endpoint that restricts access to a specific S3 bucket. Attach a bucket policy to the S3 bucket that grants access to the VPC endpoint. Assign an IAM role to the application EC2 instances and only allow access to this role in the S3 bucket’s policy.
Answers
D.
Assign an endpoint policy to the VPC endpoint that restricts access to S3 in the current Region. Attach a bucket policy to the S3 bucket that grants access to the VPC private subnets only. Add the gateway prefix list to a NACL to limit access to the application EC2 instances only.
D.
Assign an endpoint policy to the VPC endpoint that restricts access to S3 in the current Region. Attach a bucket policy to the S3 bucket that grants access to the VPC private subnets only. Add the gateway prefix list to a NACL to limit access to the application EC2 instances only.
Answers
Suggested answer: C

Your supervisor has given you the task of creating an elastic network interface on each of your web servers that connect to a mid-tier network where an application server resides. He also wants this set up as a Dual-homed Instance on Distinct Subnets. Instead of routing network packets through the dual-homed instances, where should each dual-homed instance receive and process requests to fulfil his criteria?

A.
On one of the web servers
A.
On one of the web servers
Answers
B.
On the front end
B.
On the front end
Answers
C.
On the back end
C.
On the back end
Answers
D.
Through a security group
D.
Through a security group
Answers
Suggested answer: B

Explanation:

You can place an elastic network interface on each of your web servers that connects to a mid- tier network where an application server resides. The application server can also be dual-homed to a backend network (subnet) where the database server resides. If it is set up like this, instead of routing network packets through the dual-homed instances, each dual-homed instance receives and processes requests on the front end and initiates a connection to the back end before finally sending requests to the servers on the back-end network.

Reference: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-eni.html

A company is configuring connectivity to a multi-account AWS environment to support application workloads that serve users in a single geographic region. The workloads depend on a highly available, onpremises legacy system deployed across two locations. It is critical for the AWS workloads to maintain connectivity to the legacy system, and a minimum of 5 Gbps of bandwidth is required. All application workloads within AWS must have connectivity with one another. Which solution will meet these requirements?

A.
Configure multiple AWS Direct Connect (DX) 10 Gbps dedicated connections from a DX partner for each on–premises location. Create private virtual interfaces on each connection for each AWS account VPC. Associate the private virtual interface with a virtual private gateway attached to each VPC.
A.
Configure multiple AWS Direct Connect (DX) 10 Gbps dedicated connections from a DX partner for each on–premises location. Create private virtual interfaces on each connection for each AWS account VPC. Associate the private virtual interface with a virtual private gateway attached to each VPC.
Answers
B.
Configure multiple AWS Direct Connect (DX) 10 Gbps dedicated connections from two DX partners for each on-premises location. Create and attach a virtual private gateway for each AWS account VPC. Create a DX gateway in a central network account and associate it with the virtual private gateways. Create a public virtual interface on each DX connection and associate the interface with the DX gateway.
B.
Configure multiple AWS Direct Connect (DX) 10 Gbps dedicated connections from two DX partners for each on-premises location. Create and attach a virtual private gateway for each AWS account VPC. Create a DX gateway in a central network account and associate it with the virtual private gateways. Create a public virtual interface on each DX connection and associate the interface with the DX gateway.
Answers
C.
Configure multiple AWS Direct Connect (DX) 10 Gbps dedicated connections from two DX partners for each on-premises location. Create a transit gateway and a DX gateway in a central network account. Create a transit virtual interface for each DX interface and associate them with the DX gateway. Create a gateway association between the DX gateway and the transit gateway.
C.
Configure multiple AWS Direct Connect (DX) 10 Gbps dedicated connections from two DX partners for each on-premises location. Create a transit gateway and a DX gateway in a central network account. Create a transit virtual interface for each DX interface and associate them with the DX gateway. Create a gateway association between the DX gateway and the transit gateway.
Answers
D.
Configure multiple AWS Direct Connect (DX) 10 Gbps dedicated connections from a DX partner for each on-premises location. Create and attach a virtual private gateway for each AWS account VPC. Create a transit gateway in a central network account and associate it with the virtual private gateways. Create a transit virtual interface on each DX connection and attach the interface to the transit gateway.
D.
Configure multiple AWS Direct Connect (DX) 10 Gbps dedicated connections from a DX partner for each on-premises location. Create and attach a virtual private gateway for each AWS account VPC. Create a transit gateway in a central network account and associate it with the virtual private gateways. Create a transit virtual interface on each DX connection and attach the interface to the transit gateway.
Answers
Suggested answer: B

The Statement element, of an AWS IAM policy, contains an array of individual statements. Each individual statement is a(n) _________ block enclosed in braces { }.

A.
XML
A.
XML
Answers
B.
JavaScript
B.
JavaScript
Answers
C.
JSON
C.
JSON
Answers
D.
AJAX
D.
AJAX
Answers
Suggested answer: C

Explanation:

The Statement element, of an IAM policy, contains an array of individual statements. Each individual statement is a JSON block enclosed in braces { }.

Reference: http://docs.aws.amazon.com/IAM/latest/UserGuide/AccessPolicyLanguage_ElementDescriptions.html

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