1.) Select all that apply in relation to the DNS as a query-response protocol.

A. DNS is also a protocol just as http or tcp

B. DNS operates at the Application Layer

C. DNS operates at the Network Layer

D. DNS most typically utilizes UDP for the transport mechanism and runs on UDP Port #53, when performing DNS queries/lookups. However, use of TCP is also possible in certain scenarios.

2.) The DNS is a hierarchical naming system. The hierarchy is structured in the form of a "Tree"

True

False

3) If the DNS Resource Record (RR), TYPE value is "AAAA" then that record contains the _______________ within the RDATA field of the Resource Record.

IPv4 address

Hostname of the name server associated with the domain name specified in the NAME field

Host name of the Mail Server associated with the domain name specified in NAME

IPv6 address