[Modify] Answer Correction

practice-exam/practice-exam-10.md

@@ -464,7 +464,7 @@ If this practice exam has been helpful to you please share it with others and re
     - D. AWS manages the database type.
 
     <details markdown=1><summary markdown='span'>Answer</summary>
-      Correct answer: C
+      Correct answer: B
     </details>
 
 46. A company’s web application currently has light dependencies on underlying components so when one component fails the entire web application fails. Applying which AWS Cloud design principle will address the current design issue?

practice-exam/practice-exam-14.md

@@ -150,13 +150,11 @@ If this practice exam has been helpful to you please share it with others and re
 
     <details markdown=1><summary markdown="span">Answer</summary>
 
-    Correct Answer: B
+    Correct Answer: C
 
     Explanation:
-    - <https://aws.amazon.com/rds/instance-types/>
-    - Amazon RDS provides a selection of instance types optimized to fit different relational database use cases.
-    - Instance types comprise varying combinations of CPU, memory, storage, and networking capacity and give you the flexibility to choose the appropriate mix of resources for your database.
-    - Each instance type includes several instance sizes, allowing you to scale your database to the requirements of your target workload.
+    - AWS Managed Services takes care of all of your patching and backup activities to help keep your resources current and secure. When updates or patches are released by OS vendors, AWS Managed Services applies them in a timely and consistent manner to minimize the impact on your business
+    - Critical security patches are applied immediately, while others are applied based on the patch schedule you request. Backups of Stacks are automated using Amazon Elastic Block Store (EBS) and RDS snapshots, and can be restored in the event of a failure or outage, ensuring business continuity
 
     </details>
 

practice-exam/practice-exam-17.md

@@ -450,7 +450,7 @@ If this practice exam has been helpful to you please share it with others and re
 
     <details markdown=1><summary markdown="span">Answer</summary>
 
-    Correct Answer: AC
+    Correct Answer: A,B
 
     Explanation: <https://www.edureka.co/community/600/what-is-an-edge-location-in-aws>
 

practice-exam/practice-exam-18.md

@@ -276,7 +276,7 @@ If this practice exam has been helpful to you please share it with others and re
 
     <details markdown=1><summary markdown="span">Answer</summary>
 
-    Correct Answer: A
+    Correct Answer: B
 
     Explanation:
     - AWS Service Catalog Delivery Partners are APN Consulting Partners who help create catalogs of IT services that are approved by the customer's organization for use on AWS.

practice-exam/practice-exam-22.md

@@ -14,7 +14,7 @@ If this practice exam has been helpful to you please share it with others and re
 
     <details markdown=1><summary markdown="span">Answer</summary>
 
-    Correct Answer: B
+    Correct Answer: A
 
     </details>
 

practice-exam/practice-exam-9.md

@@ -432,7 +432,11 @@ If this practice exam has been helpful to you please share it with others and re
     - D. They do not require the customer to optimize instance type or size selections.
 
     <details markdown=1><summary markdown='span'>Answer</summary>
-      Correct answer: B
+      Correct Answer: C
+
+      Explanation:
+      - AWS Managed Services takes care of all of your patching and backup activities to help keep your resources current and secure. When updates or patches are released by OS vendors, AWS Managed Services applies them in a timely and consistent manner to minimize the impact on your business
+      - Critical security patches are applied immediately, while others are applied based on the patch schedule you request. Backups of Stacks are automated using Amazon Elastic Block Store (EBS) and RDS snapshots, and can be restored in the event of a failure or outage, ensuring business continuity
     </details>
 
 43. Which services can be used across hybrid AWS Cloud architectures? (Select TWO)