diff --git a/practice-exam/practice-exam-2.md b/practice-exam/practice-exam-2.md
index 0cc9699..da58c78 100644
--- a/practice-exam/practice-exam-2.md
+++ b/practice-exam/practice-exam-2.md
@@ -340,7 +340,7 @@ If this practice exam has been helpful to you please share it with others and re
     - E. Dedicated hosting.
 
     <details markdown=1><summary markdown='span'>Answer</summary>
-      Correct answer: B, C
+      Correct answer: C, D
     </details>
 
 34. Which of the following aspects of security are managed by AWS? (Choose TWO)
diff --git a/practice-exam/practice-exam-3.md b/practice-exam/practice-exam-3.md
index f262d51..b7b4b04 100644
--- a/practice-exam/practice-exam-3.md
+++ b/practice-exam/practice-exam-3.md
@@ -44,7 +44,7 @@ If this practice exam has been helpful to you please share it with others and re
     - D. Use a Multi-Region Active-Active architecture.
 
     <details markdown=1><summary markdown='span'>Answer</summary>
-      Correct answer: B
+      Correct answer: A
     </details>
 
 5. What is the primary storage service used by Amazon RDS database instances?
diff --git a/practice-exam/practice-exam-4.md b/practice-exam/practice-exam-4.md
index f806743..acc14a2 100644
--- a/practice-exam/practice-exam-4.md
+++ b/practice-exam/practice-exam-4.md
@@ -229,7 +229,7 @@ If this practice exam has been helpful to you please share it with others and re
     - D. Amazon CloudWatch.
 
     <details markdown=1><summary markdown='span'>Answer</summary>
-      Correct answer: B
+      Correct answer: C
     </details>
 
 23. Which statement best describes the concept of an AWS region?
@@ -281,7 +281,7 @@ If this practice exam has been helpful to you please share it with others and re
     - D. Controls that the customer and AWS collaborate together upon to secure the infrastructure.
 
     <details markdown=1><summary markdown='span'>Answer</summary>
-      Correct answer: C
+      Correct answer: D
     </details>
 
 28. Which design principles relate to performance efficiency in AWS? (Choose TWO)
diff --git a/practice-exam/practice-exam-5.md b/practice-exam/practice-exam-5.md
index fdb2b03..5ca64d4 100644
--- a/practice-exam/practice-exam-5.md
+++ b/practice-exam/practice-exam-5.md
@@ -371,7 +371,7 @@ If this practice exam has been helpful to you please share it with others and re
     - D. AWS CloudTrail.
 
     <details markdown=1><summary markdown='span'>Answer</summary>
-      Correct answer: A
+      Correct answer: B
     </details>
 
 37. A company is migrating a web application to AWS. The application’s compute capacity is continually utilized throughout the year. Which of the below options offers the company the most cost-effective solution?
@@ -442,7 +442,7 @@ If this practice exam has been helpful to you please share it with others and re
     - D. Running EC2 instances in parallel.
 
     <details markdown=1><summary markdown='span'>Answer</summary>
-      Correct answer: B
+      Correct answer: D
     </details>
 
 44. A company is planning to use Amazon S3 and Amazon CloudFront to distribute its video courses globally. What tool can the company use to estimate the costs of these services?