CNIT 342 QUIZ 5 QUESTIONS WITH VERIFIED
ANSWERS
From a practical perspective the DNS name space is larger than anyone should need -
Answers - True
ICANN is responsible for creating top level domains - Answers - True
NS zones and domains are synonymous - Answers - False (can be one to many, is
normally one to one)
PTR records are used exclusively in forward name resolution records - Answers - False
(only reverse)
The DNS system would take a disproportionate amount of the internet bandwidth if it
were not for caching - Answers - True
Root servers should only be consulted when a dns server doesn't know the address of a
dns server that is authoritative for the domain in question - Answers - True
You must provide three dns servers that are available 24/7 to register a second level
domain name - Answers - False
DNS servers that store records persistently are authoritative - Answers - True
192.168.1.IN-addr.ARPA is the typical name of the reverse address zone for the
192.168.1.0/24 network. - Answers - False
Best practice is to use your internet DNS domain for your active directory. - Answers -
False
DNS has traditionally been a dynamic approach - Answers - False (Traditionally Static)
DNS is a hierarchical naming system - Answers - True
DNS assumes each station always has the same IP address - Answers - True
There are up to 128 levels of domains, separated by dots - Answers - False (127)
Each DNS level must be unique to the next highest level - Answers - True
Authority is handed from lower to higher levels - Answers - False (Higher to lower)
ANSWERS
From a practical perspective the DNS name space is larger than anyone should need -
Answers - True
ICANN is responsible for creating top level domains - Answers - True
NS zones and domains are synonymous - Answers - False (can be one to many, is
normally one to one)
PTR records are used exclusively in forward name resolution records - Answers - False
(only reverse)
The DNS system would take a disproportionate amount of the internet bandwidth if it
were not for caching - Answers - True
Root servers should only be consulted when a dns server doesn't know the address of a
dns server that is authoritative for the domain in question - Answers - True
You must provide three dns servers that are available 24/7 to register a second level
domain name - Answers - False
DNS servers that store records persistently are authoritative - Answers - True
192.168.1.IN-addr.ARPA is the typical name of the reverse address zone for the
192.168.1.0/24 network. - Answers - False
Best practice is to use your internet DNS domain for your active directory. - Answers -
False
DNS has traditionally been a dynamic approach - Answers - False (Traditionally Static)
DNS is a hierarchical naming system - Answers - True
DNS assumes each station always has the same IP address - Answers - True
There are up to 128 levels of domains, separated by dots - Answers - False (127)
Each DNS level must be unique to the next highest level - Answers - True
Authority is handed from lower to higher levels - Answers - False (Higher to lower)
