Fixed punctuation

aandr26 · Oct 7, 2020 · 2b8091c · 2b8091c
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diff --git a/...igrations_and_Hybrid_Architectures/11c_CloudMigration/6Rs_of_Cloud_Migration.md b/...igrations_and_Hybrid_Architectures/11c_CloudMigration/6Rs_of_Cloud_Migration.md
@@ -0,0 +1,22 @@
+# The 6Rs of Cloud Migration
+
+* [Return to table of contents](../../../README.md)
+
+* **Exam Essentials:**
+  * Rehost:
+    * Lift and shift - migrate as is.
+    * Not taken full advantage of cloud.
+  * Replatforming:
+    * Rehosting with optimization.
+    * Using RDS instead of self-managed DBs.
+  * Repurchasing:
+    * Unless you have a reason to self-manage.
+  * Refactoring / re-architecting
+    * Reviewing the architecture of an application.
+  * Retire:
+    * Get rid of it.
+  * Retain:
+    * Do nothing:
+      * Old application.
+      * Complex.
+      * Too high risk.
diff --git a/docs/1_AWS_Essentials/Data_Persistence.md b/docs/1_AWS_Essentials/Data_Persistence.md
@@ -6,7 +6,7 @@
   * **Ephemeral**
     * Data this is local to a resource (usually) and lost when the resource is powered off.
       * Instance Store Volume
-        * Attached to host in an AZ, failure of either means failure of the volume.
+        * Attached to host in an AZ, failure of either host or AZ means failure of the volume.
       * Amazon ElastiCache
     * Very high throughput.
     * Data is *lost* when the resource is powered down.

diff --git a/docs/1_AWS_Essentials/High-Availability_Fault-Tolerance_Disaster-Recovery.md b/docs/1_AWS_Essentials/High-Availability_Fault-Tolerance_Disaster-Recovery.md
@@ -8,7 +8,7 @@
     * Does not mean avoiding all failures/faults.
     * Means taking steps to avoid failures, or minimize failures when they do happen, or recover more quickly from failures.
   * **Fault Tolerance:**
-    * Have multiple redundancy
+    * Have multiple redundancy.
     * Allow system to operate even if only one of the resources is  available.
     * System assumes failure and can run through failure.
     * More expense - parallel resources.

diff --git a/docs/2_Accounts/2a_AWS_Identity_Basics/IAM_Overview.md b/docs/2_Accounts/2a_AWS_Identity_Basics/IAM_Overview.md
@@ -21,6 +21,6 @@ Lets you manage identities and allocate the permissions required for different r
 
 * **Exam tips:**
   * Familiarize yourself with the Credential Report.
-  * Watch for gotcha questions about groups
+  * Watch for gotcha questions about groups:
     * logging in as a group - you don't.
   * Expect a question on policy variables.