Assignment: DNS reading and quiz - Hsanokklis/2023-2024-Tech-journal GitHub Wiki

Video: DNS Explained

Question 1: What does DNS Stand for?

  • Domain Name System

Question 2: DNS translates a ______ into an ______

  1. Domain name
  2. IP address

What is the invisible dot at the end of every fully qualified domain name referred to as?

  • The root

When the Operating System does not know the IP address for a hostname such as http://www.champlain.edu where does it go?

  • Resolving name server (RNS). The OS will ask RNS for an IP address, and it might have it stored in cache memory

What address should the resolving name server definitively know?

  • the root

If the root name server does no know the address of www.champlain.edu the root name server should provide the address for ______ top level domain server

  • COM

Let's say the Top Level Domain Name Server referred to in our example does not know where to find the address for www.champlain.edu. What address should be provided?

  • Authoritative Name Server

The _____ is in charge of recording the address of a domains _____

  • Domains registrar
  • IP address

**What provides the IP address to the host (www) in the example.com domain?

  • Authoritative Name Server

Question 10: Port Math Challenge! Using the default network ports of the listed protocols, calculate them accordingly using the below operators. Round to the nearest 100th, and there is only one correct answer.

((LDAPNTP)+SMB-SSH)(TELNETHTTPS)/(KERBEROSDHCPv4_CLIENT*HTTP) = ?

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= 1,027.37

What TCP and/or UDP port does DNS use?

  • 53/UDP and 53/TCP

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resolving name server and recursive name server are the same thing?