diff --git a/README.md b/README.md
index 74c882e..4c28408 100644
--- a/README.md
+++ b/README.md
@@ -8537,6 +8537,15 @@ From the official docs:
"In a filter context, a query clause answers the question “Does this document match this query clause?” The answer is a simple Yes or No — no scores are calculated. Filter context is mostly used for filtering structured data"
+
+Describe how would an architecture of production environment with large amounts of data would be different from a small-scale environment
+
+There are several possible answers for this question. One of them is as follows:
+
+A small-scale architecture of elastic will consist of the elastic stack as it is. This means we will have beats, logstash, elastcsearch and kibana.
+A production environment with large amounts of data can include some kind of buffering component (e.g. Reddis or RabbitMQ) and also security component such as Nginx.
+
+
##### Logstash
@@ -8605,7 +8614,7 @@ Total number of documents matching the search results. If not query used then si
Describe in detail how do you create a dashboard in Kibana
-#### Beats
+#### Filebeat
What is Filebeat?
@@ -8616,16 +8625,19 @@ Total number of documents matching the search results. If not query used then si
-What are filebeat modules?
+What is a harvester?
+
+Read [here](https://www.elastic.co/guide/en/beats/filebeat/current/how-filebeat-works.html#harvester)
-Describe how would an architecture of production environment with large amounts of data would be different from a small-scale environment
+True or False? a single harvester harvest multiple files, according to the limits set in filebeat.yml
-There are several possible answers for this question. One of them is as follows:
+False. One harvester harvests one file.
+
-A small-scale architecture of elastic will consist of the elastic stack as it is. This means we will have beats, logstash, elastcsearch and kibana.
-A production environment with large amounts of data can include some kind of buffering component (e.g. Reddis or RabbitMQ) and also security component such as Nginx.
+
+What are filebeat modules?
#### Elastic Stack
@@ -8978,7 +8990,7 @@ TODO: explain what is actually a Cookie
When you publish a project, you usually publish it with a license. What types of licenses are you familiar with and which one do you prefer to use?
-#### Load Balancers
+#### Load Balancing
What is a load balancer?