6/26/25, 4:46 PM WGU d319
WGU D319 AWS Cloud Architecture OA | Objective Assessment | Explore New
144 Questions and Answers | 2025 Update | 100% Correct.
Correct
Incorrect
WGU D319 AWS Cloud Architecture OA
144 Correct terms
Questions and answers
,6/26/25, 4:46 PM WGU d319
RDS - Multi AZ RDS - Read Replicas
Don't know?
2 of 144
Definition
Ensures database remains available if another AZ becomes unavailable.
-Makes an exact copy of your DB in another AZ. AWS automatically
synchronizes changes in the DB over to the standby copy.
-Automatic Failover protection if one AZ goes down failover will occur
and the standby slave will be promoted to master.
Give this one a go later!
Route Tables Security Groups
EC2 - User data RDS - Multi AZ
Don't know?
3 of 144
Definition
,6/26/25, 4:46 PM WGU d319
AMIs are region specific so you need to copy the AMI and then select
the destination region
Give this one a go later!
EC2 - Memory Optimized EC2 - Compute Optimized
Copying as AMI EC2 - Storage Optimized
Don't know?
4 of 144
Definition
____ Backup and failover is handled automatically.
Snapshots of data can be shared with other AWS accounts
-Storage is self healing, in that data blocks and disks are continuously
scanned for errors and repaired automatically.
Give this one a go later!
Aurora Data Replication Aurora Backup Management
, 6/26/25, 4:46 PM WGU d319
Aurora Fault Tolerance and
Aurora Performance Scaling
Durability
Don't know?
5 of 144
Definition
Allow you to run multiple copies of you database, these copies will
only allow READS (no writes) and is intended to alleviate the workload
of your primary data to improve performance.
-Must have automatic backups enabled to use ___ replicas
-Asynchronous replication happens between the primary RDS instance
and the _ replicas.
-You can have up to 5 ____ replicas of a database. Each will have it's own
DNS endpoint.
Give this one a go later!
Route53 - Geo-proximity Routing
AWS CloudFormation
Policies
RDS - Read Replicas VPC Gateway Endpoint
Don't know?
WGU D319 AWS Cloud Architecture OA | Objective Assessment | Explore New
144 Questions and Answers | 2025 Update | 100% Correct.
Correct
Incorrect
WGU D319 AWS Cloud Architecture OA
144 Correct terms
Questions and answers
,6/26/25, 4:46 PM WGU d319
RDS - Multi AZ RDS - Read Replicas
Don't know?
2 of 144
Definition
Ensures database remains available if another AZ becomes unavailable.
-Makes an exact copy of your DB in another AZ. AWS automatically
synchronizes changes in the DB over to the standby copy.
-Automatic Failover protection if one AZ goes down failover will occur
and the standby slave will be promoted to master.
Give this one a go later!
Route Tables Security Groups
EC2 - User data RDS - Multi AZ
Don't know?
3 of 144
Definition
,6/26/25, 4:46 PM WGU d319
AMIs are region specific so you need to copy the AMI and then select
the destination region
Give this one a go later!
EC2 - Memory Optimized EC2 - Compute Optimized
Copying as AMI EC2 - Storage Optimized
Don't know?
4 of 144
Definition
____ Backup and failover is handled automatically.
Snapshots of data can be shared with other AWS accounts
-Storage is self healing, in that data blocks and disks are continuously
scanned for errors and repaired automatically.
Give this one a go later!
Aurora Data Replication Aurora Backup Management
, 6/26/25, 4:46 PM WGU d319
Aurora Fault Tolerance and
Aurora Performance Scaling
Durability
Don't know?
5 of 144
Definition
Allow you to run multiple copies of you database, these copies will
only allow READS (no writes) and is intended to alleviate the workload
of your primary data to improve performance.
-Must have automatic backups enabled to use ___ replicas
-Asynchronous replication happens between the primary RDS instance
and the _ replicas.
-You can have up to 5 ____ replicas of a database. Each will have it's own
DNS endpoint.
Give this one a go later!
Route53 - Geo-proximity Routing
AWS CloudFormation
Policies
RDS - Read Replicas VPC Gateway Endpoint
Don't know?
