Question
1. What is the purpose of DNS? 2. When DC1, acting as a DNS client, performs a DNS lookup, which DNS server is it using?
1. What is the purpose of DNS?
2. When DC1, acting as a DNS client, performs a DNS lookup, which DNS server is it using?
3. What is the difference between an 'A' record type and a 'CNAME' record type in DNS?
4. If a DNS lookup fails, does that mean the host is offline?
5. How else could you reach a host if DNS is not working?
Step by Step Solution
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There are 3 Steps involved in it
Step: 1
1 DNS is a system that translates domain names such as wwwexamplecom into machinefriendly IP addresses that computers use to find and communicate with devices on the Internet such as 19216811 2 When DC1 as a DNS client performs a DNS lookup it uses the DNS server that is configured in its network settings This could be a DNS server within the same network or a DNS server from an ISP or another service such as 1111 or 8888 that is open to the public 3 A CNAME record type in DNS is used to link a domain name to another domain name such as wwwexamplecom examplecom This makes it easier to manage and update DNS records as changing the IP address ...
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Business Data Networks and Security
Authors: Raymond R. Panko, Julia L. Panko
11th Edition
9780134788425 , 978-0134817125
