From the course: Building Your Technology Skills
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Overview of DNS
From the course: Building Your Technology Skills
Overview of DNS
- [Voiceover] Hello, good to see you again. Welcome back to another edition of Building Your Technology Skills. My name is Martin Guidry, and this week we're going to be talking about DNS. DNS is an acronym, it stands for domain name system, and as this implies, it is a protocol for working with names of systems. Human beings in general, would rather work with names rather than numbers, but computers would rather work with numbers. So, for example, I don't want to have to memorize the IP address of every server I visit on the internet, I would rather memorize things like Microsoft.com, Google.com, Lynda.com, Linkedin.com, things like that. So we need something to translate from those words into IP addresses. Domain name system, DNS accomplishes exactly that. So for example, I could ask a DNS server, what is the IP address of Example.com? And it would respond to me with 93.184.216.34. Typically as an end user, I don't have to manually do this. The programs on my computer will do it…
Contents
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Working with switches9m 33s
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Working with routers10m 32s
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Working with firewalls7m 9s
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Authentication and authorization: How they work together7m 30s
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Microsoft Certification exam tips10m 24s
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Vocabulary and buzzwords8m 30s
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Understanding RAID8m 56s
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Overview of DNS9m 34s
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Creating users10m 54s
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Working with DHCP13m 30s
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Exploring a troubleshooting methodology7m 34s
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Understanding ping error messages6m 16s
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Using the OSI network model8m 54s
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Understanding Windows implicit groups5m 51s
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Working with Windows Server 2016 management tools6m 34s
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Nesting VMs inside of VMs10m 3s
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Working with Windows 2016 Nano Server12m 28s
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Best practices for naming Active Directory domains10m 1s
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Understanding Wi-Fi10m 19s
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Overview of IPv68m 35s
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Understanding subnetting11m 31s
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Understanding supernetting7m 27s
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Compiling vs. interpreting5m 54s
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