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Added Answers to DNS and Security Questions

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Austin Songer 2020-01-19 22:54:25 +00:00
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README.md
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@ -5554,6 +5554,11 @@ This allows Elasticsearch to scale to an entire cluster of servers.
<details>
<summary>Explain Replicas</summary><br><b>
In a network/cloud environment where failures can be expected any time, it is very useful and highly recommended to have a failover mechanism in case a shard/node somehow goes offline or disappears for whatever reason.
To this end, Elasticsearch allows you to make one or more copies of your index’s shards into what are called replica shards, or replicas for short.
</b></details>
<details>
@ -5675,6 +5680,10 @@ In general the process is as follows:
<details>
<summary>What is a A record?</summary><br><b>
A (Address) Maps a host name to an IP address. When a computer has multiple adapter cards and IP addresses, it should have multiple address records.
</b></details>
<details>
@ -5689,6 +5698,8 @@ While an A record points a domain name to an IP address, a PTR record does the o
<details>
<summary>What is a MX record?</summary><br><b>
MX (Mail Exchange) Specifies a mail exchange server for the domain, which allows mail to be delivered to the correct mail servers in the domain.
</b></details>
<details>