Fechar
What does DNS stand for ?
What is DNS
Why do we use DNS 2 reasons ?
What are labels in a domain name
Do different labels represent different level in hierarchy
What does FQDN mean and what is it ?
What does TLD mean and what is it and give an example ?
What is a domain namespace
What is the root domain and is it visible
Name 3 TLD's
Are TLD's directly below the root ?
Who controls them ?
Who are TLD's managed by ?
Do they assign domain name registrars ?
Why is it important we have a TLD Registry ?
What is the whois protocol
What is the DNS namespace cut up into
What is a zone
What is each DNS zone looked after
What does a nameserver store ?
Can a DNS name server be responsible for more than one zone ?
What is a more responsible way of managing a nameserver
What is Anycasting ?
What is clustering
Where do DNS servers store the name for a domain
Are IP Addresses converted into domain names?
How does DNS work from a client perspective in this example
In the previous example why is the client the resolver ?
How does DNS work from a client perspective in this example
In this example who the resolver and why ?
What a recursive query ?
What are the problems with the examples before and what method is used to resolve this
What are the issues with TTL and how can this be resolved ?
What do most resource records belong to
Name the 6 resource record types
What is the resource record A
What is the resource record AAAA
What is the resource record CNAME
What is the resource record MX
What is the resource record NS
What is the resource record SOA
What are primary and secondary servers used for ?
Why is it important to have a primary and secondary server ?
What is the primary server normally called and what does it hold
What is the secondary server normally called
What are Glue records used for ?
What issues do Glue records prevent and how can they be fixed ?
What 5 things does a secondary server do
