2025 WGU D338 CLOUD PLATFORM SOLUTIONS TEST BANK
WITH 500 COMPLETE COURSE PREP QUESTIONS AND
CORRECT ANSWERS/ D338 TEST BANK FOR WGU D338 OA
AND PREASSESSMENT(NEWEST!)
Which AWS service is used as a CDN to distribute content around the world?
a) CloudStream
b) CloudFormation
c) CloudFront
d) CloudPush - ANSWER-c) CloudFront
Which AWS service would be the best choice for long term data archival?
a) S3
b) CloudFront
c) EFS
d) Glacier - ANSWER-d) Glacier
What service connects an on-premise software appliance (or virtual machine) with cloud based
storage?
a) S3
b) Storage Gateway
c) Snowball
d) Glacier - ANSWER-b) Storage Gateway
What is an AWS region?
a) A region is an independent data center, located in different countries around the globe
b) A region is a geographical area that consists of different availability zones. Each region consists of 2
(or more) Availability Zones.
c) A region is a collection of Edge Locations available in specific countries.
,d) A region consists of a number of different subset of AWS technologies. For example the compute
region consists of EC2, ECS, Lambda etc. - ANSWER-b) A region is a geographical area that consists
of different availability zones. Each region consists of 2 (or more) Availability Zones.
An AWS VPC is a component of which AWS service?
a) Global Infrastructure
b) Databases Service
c) Networking Service
d) Compute Service - ANSWER-c) Networking Service
Which of the following is a petabyte scale data transfer solution?
a) SQS
b) Avalanche
c) Snowball
d) SWF - ANSWER-c) Snowball
What service is Amazon's No-SQL database service?
a) RDS
b) Elasticache
c) DynamoDB
d) Redshift - ANSWER-c) DynamoDB
Your company is interested in implementing a VDI solution to replace their local desktop
environment. Which AWS service should you consider?
a) IoT
b) WorkSpaces
c) WorkDocs
d) WorkMail - ANSWER-b) WorkSpaces
Where would be a durable place to store flat files on the AWS platform?
a) Kinesis
,b) CloudFront Edge Locations
c) SQS
d) S3 - ANSWER-d) S3 (Simple Storage Service)
What happens to the I/O operations while you take a database snapshot/backup?
a) Nothing
b) I/O operations to the database are suspended for the duration of the snapshot if it is a single AZ
RDS instance
c) I/O operations to the database are sent to a Secondary instance of a Multi-AZ installation (for the
duration of the snapshot)
d) I/O operations will be functioning normally - ANSWER-b) I/O operations to the database are
suspended for the duration of the snapshot if it is a single AZ RDS instance
When you add a rule to an RDS security group you need to specify a port number or protocol.
True or False? - ANSWER-False
What AWS service is best used for Business Intelligence Tools/Data Warehousing?
a) Elastic Beanstalk
b) Elasticache
c) Redshift
d) DynamoDB - ANSWER-c) Redshift
What AWS DB platform is most suitable for OLTP (Online Transaction Processing)?
a) Elasticache
b) DynamoDB
c) RDS (Relational Database Service)
d) Redshift - ANSWER-c) RDS (Relational Database Service)
, If you are using Amazon RDS Provisioned IOPS storage with MySQL and Oracle database engines
what is the maximum size RDS volume you can have by default?
a) 500 GB
b) 1 TB
c) 3 TB
d) 6 TB - ANSWER-d) 6 TB
Which databases can you create Read Replicas for? - ANSWER-MySQL, MariaDB, PostrgeSQL
What are placement groups ideal for? - ANSWER-EC2 instances that require high network
throughput and low latency across a SINGLE availability zone
What is VPC Peering? - ANSWER-Allows you to connect one VPC to another via a direct route using
private IP addresses
When using VPC Peering instances behave as if they are on the same private network.
True or False? - ANSWER-True
You can NOT peer VPCs with other AWS accounts.
True or False? - ANSWER-False
You can peer different VPCs on the same account.
True or False? - ANSWER-True
If VPC A is peered with VPCs B and C, data can be sent or received from B to C or vise versa.
True or False? - ANSWER-False: VPC peering is not transitive
WITH 500 COMPLETE COURSE PREP QUESTIONS AND
CORRECT ANSWERS/ D338 TEST BANK FOR WGU D338 OA
AND PREASSESSMENT(NEWEST!)
Which AWS service is used as a CDN to distribute content around the world?
a) CloudStream
b) CloudFormation
c) CloudFront
d) CloudPush - ANSWER-c) CloudFront
Which AWS service would be the best choice for long term data archival?
a) S3
b) CloudFront
c) EFS
d) Glacier - ANSWER-d) Glacier
What service connects an on-premise software appliance (or virtual machine) with cloud based
storage?
a) S3
b) Storage Gateway
c) Snowball
d) Glacier - ANSWER-b) Storage Gateway
What is an AWS region?
a) A region is an independent data center, located in different countries around the globe
b) A region is a geographical area that consists of different availability zones. Each region consists of 2
(or more) Availability Zones.
c) A region is a collection of Edge Locations available in specific countries.
,d) A region consists of a number of different subset of AWS technologies. For example the compute
region consists of EC2, ECS, Lambda etc. - ANSWER-b) A region is a geographical area that consists
of different availability zones. Each region consists of 2 (or more) Availability Zones.
An AWS VPC is a component of which AWS service?
a) Global Infrastructure
b) Databases Service
c) Networking Service
d) Compute Service - ANSWER-c) Networking Service
Which of the following is a petabyte scale data transfer solution?
a) SQS
b) Avalanche
c) Snowball
d) SWF - ANSWER-c) Snowball
What service is Amazon's No-SQL database service?
a) RDS
b) Elasticache
c) DynamoDB
d) Redshift - ANSWER-c) DynamoDB
Your company is interested in implementing a VDI solution to replace their local desktop
environment. Which AWS service should you consider?
a) IoT
b) WorkSpaces
c) WorkDocs
d) WorkMail - ANSWER-b) WorkSpaces
Where would be a durable place to store flat files on the AWS platform?
a) Kinesis
,b) CloudFront Edge Locations
c) SQS
d) S3 - ANSWER-d) S3 (Simple Storage Service)
What happens to the I/O operations while you take a database snapshot/backup?
a) Nothing
b) I/O operations to the database are suspended for the duration of the snapshot if it is a single AZ
RDS instance
c) I/O operations to the database are sent to a Secondary instance of a Multi-AZ installation (for the
duration of the snapshot)
d) I/O operations will be functioning normally - ANSWER-b) I/O operations to the database are
suspended for the duration of the snapshot if it is a single AZ RDS instance
When you add a rule to an RDS security group you need to specify a port number or protocol.
True or False? - ANSWER-False
What AWS service is best used for Business Intelligence Tools/Data Warehousing?
a) Elastic Beanstalk
b) Elasticache
c) Redshift
d) DynamoDB - ANSWER-c) Redshift
What AWS DB platform is most suitable for OLTP (Online Transaction Processing)?
a) Elasticache
b) DynamoDB
c) RDS (Relational Database Service)
d) Redshift - ANSWER-c) RDS (Relational Database Service)
, If you are using Amazon RDS Provisioned IOPS storage with MySQL and Oracle database engines
what is the maximum size RDS volume you can have by default?
a) 500 GB
b) 1 TB
c) 3 TB
d) 6 TB - ANSWER-d) 6 TB
Which databases can you create Read Replicas for? - ANSWER-MySQL, MariaDB, PostrgeSQL
What are placement groups ideal for? - ANSWER-EC2 instances that require high network
throughput and low latency across a SINGLE availability zone
What is VPC Peering? - ANSWER-Allows you to connect one VPC to another via a direct route using
private IP addresses
When using VPC Peering instances behave as if they are on the same private network.
True or False? - ANSWER-True
You can NOT peer VPCs with other AWS accounts.
True or False? - ANSWER-False
You can peer different VPCs on the same account.
True or False? - ANSWER-True
If VPC A is peered with VPCs B and C, data can be sent or received from B to C or vise versa.
True or False? - ANSWER-False: VPC peering is not transitive
